diff --git a/libclamav/7z.c b/libclamav/7z.c
new file mode 100644
index 000000000..5d8b2cf25
--- /dev/null
+++ b/libclamav/7z.c
@@ -0,0 +1,130 @@
+/*
+ *  Copyright (C) 2009 Sourcefire, Inc.
+ *
+ *  Authors: aCaB
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA 02110-1301, USA.
+ */
+
+/* 7zip scanner */
+
+#if HAVE_CONFIG_H
+#include "clamav-config.h"
+#endif
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include "others.h"
+#include "lzma_iface.h"
+#include "7z/7zFile.h"
+#include "7z/7zCrc.h"
+#include "7z/Archive/7z/7zIn.h"
+#include "7z/Archive/7z/7zExtract.h"
+
+#ifndef O_BINARY
+#define O_BINARY 0
+#endif
+
+static ISzAlloc allocImp = { __lzma_wrap_alloc, __lzma_wrap_free}, allocTempImp = { __lzma_wrap_alloc, __lzma_wrap_free};
+
+int cli_7unz (int fd, cli_ctx *ctx) {
+    CFileInStream archiveStream;
+    CLookToRead lookStream;
+    CSzArEx db;
+    UInt32 blockIndex = 0xFFFFFFFF;
+    char *buf = NULL;
+    size_t bufsz = 0;
+    UInt32 i;
+    int dupfd, ret = CL_CLEAN;
+
+    if((dupfd = dup(fd)) == -1) {
+	cli_errmsg("cli_7unz: dup() failed\n");
+	return CL_EDUP;
+    }
+    FileInStream_CreateVTable(&archiveStream);
+    archiveStream.file.file = fdopen(dupfd, "rb");
+    if(!archiveStream.file.file) {
+	cli_errmsg("cli_7unz: fdopen() failed\n");
+	return CL_EOPEN;
+    }
+    LookToRead_CreateVTable(&lookStream, False);
+    lookStream.realStream = &archiveStream.s;
+    LookToRead_Init(&lookStream);
+
+    CrcGenerateTable();
+
+    SzArEx_Init(&db);
+    if(SzArEx_Open(&db, &lookStream.s, &allocImp, &allocTempImp) != SZ_OK) {
+	SzArEx_Free(&db, &allocImp);
+	cli_dbgmsg("cli_7unz: possibly damaged archive\n");
+	return CL_CLEAN;
+    }
+    for (i = 0; i < db.db.NumFiles; i++) {
+	CSzFileItem *f = db.db.Files + i;
+        size_t offset;
+        size_t usize;
+
+	if(f->IsDir || !f->Size) continue;
+	if(ctx->engine->maxfilesize && f->Size > ctx->engine->maxfilesize) {
+	    cli_dbgmsg("cli_7unz: skipping stream due to size limits (%lu vs %lu)\n", f->Size, ctx->engine->maxfilesize);
+	    continue;
+	}
+	cli_dbgmsg("cli_7unz: Extracting file %s\n", f->Name);
+	if(SzAr_Extract(&db, &lookStream.s, i, &blockIndex, &buf, &bufsz, &offset, &usize, &allocImp, &allocTempImp) == SZ_OK) {
+	    char *fname;
+	    int ofd;
+
+	    if(!usize) {
+		cli_dbgmsg("cli_7unz: stream uncompressed to an empty file\n");
+		continue;
+	    }
+	    if(!(fname = cli_gentemp(ctx->engine->tmpdir))) {
+		ret = CL_EMEM;
+		break;
+	    }
+	    if((ofd = open(fname, O_RDWR|O_CREAT|O_TRUNC|O_BINARY, S_IRUSR|S_IWUSR)) < 0) {
+		cli_errmsg("cli_7unz: failed to create file %s\n", fname);
+		free(fname);
+		ret = CL_ECREAT;
+		break;
+	    }
+	    if(cli_writen(ofd, buf, usize) <= 0) {
+		close(ofd);
+		if(cli_unlink(fname)) ret = CL_EUNLINK;
+		else ret = CL_EWRITE;
+		free(fname);
+		break;
+	    }
+	    cli_dbgmsg("cli_7unz: extracted to %s\n", fname);
+	    lseek(ofd, 0, SEEK_SET);
+	    ret = cli_magic_scandesc(ofd, ctx);
+	    close(ofd);
+	    if(!ctx->engine->keeptmp)
+		if(cli_unlink(fname)) ret = CL_EUNLINK;
+	    free(fname);
+	    if(ret == CL_EUNLINK || ret == CL_VIRUS)
+		break;
+	} else {
+	    cli_dbgmsg("cli_7unz: decompression failed\n");
+	}
+    }
+    if(buf) free(buf);
+    SzArEx_Free(&db, &allocImp);
+    fclose(archiveStream.file.file);
+    return ret;
+}
diff --git a/libclamav/7z.h b/libclamav/7z.h
new file mode 100644
index 000000000..cdc11fdad
--- /dev/null
+++ b/libclamav/7z.h
@@ -0,0 +1,32 @@
+/*
+ *  Copyright (C) 2009 Sourcefire, Inc.
+ *
+ *  Authors: aCaB
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA 02110-1301, USA.
+ */
+
+#ifndef __7Z_H
+#define __7Z_H
+
+#if HAVE_CONFIG_H
+#include "clamav-config.h"
+#endif
+
+#include "others.h"
+
+int cli_7unz (int, cli_ctx *);
+
+#endif
diff --git a/libclamav/7z/7zBuf.c b/libclamav/7z/7zBuf.c
new file mode 100644
index 000000000..a35fa2f98
--- /dev/null
+++ b/libclamav/7z/7zBuf.c
@@ -0,0 +1,36 @@
+/* 7zBuf.c -- Byte Buffer
+2008-03-28
+Igor Pavlov
+Public domain */
+
+#include "7zBuf.h"
+
+void Buf_Init(CBuf *p)
+{
+  p->data = 0;
+  p->size = 0;
+}
+
+int Buf_Create(CBuf *p, size_t size, ISzAlloc *alloc)
+{
+  p->size = 0;
+  if (size == 0)
+  {
+    p->data = 0;
+    return 1;
+  }
+  p->data = (Byte *)alloc->Alloc(alloc, size);
+  if (p->data != 0)
+  {
+    p->size = size;
+    return 1;
+  }
+  return 0;
+}
+
+void Buf_Free(CBuf *p, ISzAlloc *alloc)
+{
+  alloc->Free(alloc, p->data);
+  p->data = 0;
+  p->size = 0;
+}
diff --git a/libclamav/7z/7zBuf.h b/libclamav/7z/7zBuf.h
new file mode 100644
index 000000000..49b2354bd
--- /dev/null
+++ b/libclamav/7z/7zBuf.h
@@ -0,0 +1,31 @@
+/* 7zBuf.h -- Byte Buffer
+2008-10-04 : Igor Pavlov : Public domain */
+
+#ifndef __7Z_BUF_H
+#define __7Z_BUF_H
+
+#include "Types.h"
+
+typedef struct
+{
+  Byte *data;
+  size_t size;
+} CBuf;
+
+void Buf_Init(CBuf *p);
+int Buf_Create(CBuf *p, size_t size, ISzAlloc *alloc);
+void Buf_Free(CBuf *p, ISzAlloc *alloc);
+
+typedef struct
+{
+  Byte *data;
+  size_t size;
+  size_t pos;
+} CDynBuf;
+
+void DynBuf_Construct(CDynBuf *p);
+void DynBuf_SeekToBeg(CDynBuf *p);
+int DynBuf_Write(CDynBuf *p, const Byte *buf, size_t size, ISzAlloc *alloc);
+void DynBuf_Free(CDynBuf *p, ISzAlloc *alloc);
+
+#endif
diff --git a/libclamav/7z/7zCrc.c b/libclamav/7z/7zCrc.c
new file mode 100644
index 000000000..92c47de0d
--- /dev/null
+++ b/libclamav/7z/7zCrc.c
@@ -0,0 +1,35 @@
+/* 7zCrc.c -- CRC32 calculation
+2008-08-05
+Igor Pavlov
+Public domain */
+
+#include "7zCrc.h"
+
+#define kCrcPoly 0xEDB88320
+UInt32 g_CrcTable[256];
+
+void MY_FAST_CALL CrcGenerateTable(void)
+{
+  UInt32 i;
+  for (i = 0; i < 256; i++)
+  {
+    UInt32 r = i;
+    int j;
+    for (j = 0; j < 8; j++)
+      r = (r >> 1) ^ (kCrcPoly & ~((r & 1) - 1));
+    g_CrcTable[i] = r;
+  }
+}
+
+UInt32 MY_FAST_CALL CrcUpdate(UInt32 v, const void *data, size_t size)
+{
+  const Byte *p = (const Byte *)data;
+  for (; size > 0 ; size--, p++)
+    v = CRC_UPDATE_BYTE(v, *p);
+  return v;
+}
+
+UInt32 MY_FAST_CALL CrcCalc(const void *data, size_t size)
+{
+  return CrcUpdate(CRC_INIT_VAL, data, size) ^ 0xFFFFFFFF;
+}
diff --git a/libclamav/7z/7zCrc.h b/libclamav/7z/7zCrc.h
new file mode 100644
index 000000000..ae230991e
--- /dev/null
+++ b/libclamav/7z/7zCrc.h
@@ -0,0 +1,24 @@
+/* 7zCrc.h -- CRC32 calculation
+2008-03-13
+Igor Pavlov
+Public domain */
+
+#ifndef __7Z_CRC_H
+#define __7Z_CRC_H
+
+#include <stddef.h>
+
+#include "Types.h"
+
+extern UInt32 g_CrcTable[];
+
+void MY_FAST_CALL CrcGenerateTable(void);
+
+#define CRC_INIT_VAL 0xFFFFFFFF
+#define CRC_GET_DIGEST(crc) ((crc) ^ 0xFFFFFFFF)
+#define CRC_UPDATE_BYTE(crc, b) (g_CrcTable[((crc) ^ (b)) & 0xFF] ^ ((crc) >> 8))
+
+UInt32 MY_FAST_CALL CrcUpdate(UInt32 crc, const void *data, size_t size);
+UInt32 MY_FAST_CALL CrcCalc(const void *data, size_t size);
+
+#endif
diff --git a/libclamav/7z/7zFile.c b/libclamav/7z/7zFile.c
new file mode 100644
index 000000000..2b605a566
--- /dev/null
+++ b/libclamav/7z/7zFile.c
@@ -0,0 +1,263 @@
+/* 7zFile.c -- File IO
+2008-11-22 : Igor Pavlov : Public domain */
+
+#include "7zFile.h"
+
+#ifndef USE_WINDOWS_FILE
+
+#include <errno.h>
+
+#endif
+
+#ifdef USE_WINDOWS_FILE
+
+/*
+   ReadFile and WriteFile functions in Windows have BUG:
+   If you Read or Write 64MB or more (probably min_failure_size = 64MB - 32KB + 1)
+   from/to Network file, it returns ERROR_NO_SYSTEM_RESOURCES
+   (Insufficient system resources exist to complete the requested service).
+   Probably in some version of Windows there are problems with other sizes:
+   for 32 MB (maybe also for 16 MB).
+   And message can be "Network connection was lost"
+*/
+
+#define kChunkSizeMax (1 << 22)
+
+#endif
+
+void File_Construct(CSzFile *p)
+{
+  #ifdef USE_WINDOWS_FILE
+  p->handle = INVALID_HANDLE_VALUE;
+  #else
+  p->file = NULL;
+  #endif
+}
+
+static WRes File_Open(CSzFile *p, const char *name, int writeMode)
+{
+  #ifdef USE_WINDOWS_FILE
+  p->handle = CreateFileA(name,
+      writeMode ? GENERIC_WRITE : GENERIC_READ,
+      FILE_SHARE_READ, NULL,
+      writeMode ? CREATE_ALWAYS : OPEN_EXISTING,
+      FILE_ATTRIBUTE_NORMAL, NULL);
+  return (p->handle != INVALID_HANDLE_VALUE) ? 0 : GetLastError();
+  #else
+  p->file = fopen(name, writeMode ? "wb+" : "rb");
+  return (p->file != 0) ? 0 : errno;
+  #endif
+}
+
+WRes InFile_Open(CSzFile *p, const char *name) { return File_Open(p, name, 0); }
+WRes OutFile_Open(CSzFile *p, const char *name) { return File_Open(p, name, 1); }
+
+WRes File_Close(CSzFile *p)
+{
+  #ifdef USE_WINDOWS_FILE
+  if (p->handle != INVALID_HANDLE_VALUE)
+  {
+    if (!CloseHandle(p->handle))
+      return GetLastError();
+    p->handle = INVALID_HANDLE_VALUE;
+  }
+  #else
+  if (p->file != NULL)
+  {
+    int res = fclose(p->file);
+    if (res != 0)
+      return res;
+    p->file = NULL;
+  }
+  #endif
+  return 0;
+}
+
+WRes File_Read(CSzFile *p, void *data, size_t *size)
+{
+  size_t originalSize = *size;
+  if (originalSize == 0)
+    return 0;
+
+  #ifdef USE_WINDOWS_FILE
+
+  *size = 0;
+  do
+  {
+    DWORD curSize = (originalSize > kChunkSizeMax) ? kChunkSizeMax : (DWORD)originalSize;
+    DWORD processed = 0;
+    BOOL res = ReadFile(p->handle, data, curSize, &processed, NULL);
+    data = (void *)((Byte *)data + processed);
+    originalSize -= processed;
+    *size += processed;
+    if (!res)
+      return GetLastError();
+    if (processed == 0)
+      break;
+  }
+  while (originalSize > 0);
+  return 0;
+
+  #else
+  
+  *size = fread(data, 1, originalSize, p->file);
+  if (*size == originalSize)
+    return 0;
+  return ferror(p->file);
+  
+  #endif
+}
+
+WRes File_Write(CSzFile *p, const void *data, size_t *size)
+{
+  size_t originalSize = *size;
+  if (originalSize == 0)
+    return 0;
+  
+  #ifdef USE_WINDOWS_FILE
+
+  *size = 0;
+  do
+  {
+    DWORD curSize = (originalSize > kChunkSizeMax) ? kChunkSizeMax : (DWORD)originalSize;
+    DWORD processed = 0;
+    BOOL res = WriteFile(p->handle, data, curSize, &processed, NULL);
+    data = (void *)((Byte *)data + processed);
+    originalSize -= processed;
+    *size += processed;
+    if (!res)
+      return GetLastError();
+    if (processed == 0)
+      break;
+  }
+  while (originalSize > 0);
+  return 0;
+
+  #else
+
+  *size = fwrite(data, 1, originalSize, p->file);
+  if (*size == originalSize)
+    return 0;
+  return ferror(p->file);
+  
+  #endif
+}
+
+WRes File_Seek(CSzFile *p, Int64 *pos, ESzSeek origin)
+{
+  #ifdef USE_WINDOWS_FILE
+
+  LARGE_INTEGER value;
+  DWORD moveMethod;
+  value.LowPart = (DWORD)*pos;
+  value.HighPart = (LONG)((UInt64)*pos >> 16 >> 16); /* for case when UInt64 is 32-bit only */
+  switch (origin)
+  {
+    case SZ_SEEK_SET: moveMethod = FILE_BEGIN; break;
+    case SZ_SEEK_CUR: moveMethod = FILE_CURRENT; break;
+    case SZ_SEEK_END: moveMethod = FILE_END; break;
+    default: return ERROR_INVALID_PARAMETER;
+  }
+  value.LowPart = SetFilePointer(p->handle, value.LowPart, &value.HighPart, moveMethod);
+  if (value.LowPart == 0xFFFFFFFF)
+  {
+    WRes res = GetLastError();
+    if (res != NO_ERROR)
+      return res;
+  }
+  *pos = ((Int64)value.HighPart << 32) | value.LowPart;
+  return 0;
+
+  #else
+  
+  int moveMethod;
+  int res;
+  switch (origin)
+  {
+    case SZ_SEEK_SET: moveMethod = SEEK_SET; break;
+    case SZ_SEEK_CUR: moveMethod = SEEK_CUR; break;
+    case SZ_SEEK_END: moveMethod = SEEK_END; break;
+    default: return 1;
+  }
+  res = fseek(p->file, (long)*pos, moveMethod);
+  *pos = ftell(p->file);
+  return res;
+  
+  #endif
+}
+
+WRes File_GetLength(CSzFile *p, UInt64 *length)
+{
+  #ifdef USE_WINDOWS_FILE
+  
+  DWORD sizeHigh;
+  DWORD sizeLow = GetFileSize(p->handle, &sizeHigh);
+  if (sizeLow == 0xFFFFFFFF)
+  {
+    DWORD res = GetLastError();
+    if (res != NO_ERROR)
+      return res;
+  }
+  *length = (((UInt64)sizeHigh) << 32) + sizeLow;
+  return 0;
+  
+  #else
+  
+  long pos = ftell(p->file);
+  int res = fseek(p->file, 0, SEEK_END);
+  *length = ftell(p->file);
+  fseek(p->file, pos, SEEK_SET);
+  return res;
+  
+  #endif
+}
+
+
+/* ---------- FileSeqInStream ---------- */
+
+static SRes FileSeqInStream_Read(void *pp, void *buf, size_t *size)
+{
+  CFileSeqInStream *p = (CFileSeqInStream *)pp;
+  return File_Read(&p->file, buf, size) == 0 ? SZ_OK : SZ_ERROR_READ;
+}
+
+void FileSeqInStream_CreateVTable(CFileSeqInStream *p)
+{
+  p->s.Read = FileSeqInStream_Read;
+}
+
+
+/* ---------- FileInStream ---------- */
+
+static SRes FileInStream_Read(void *pp, void *buf, size_t *size)
+{
+  CFileInStream *p = (CFileInStream *)pp;
+  return (File_Read(&p->file, buf, size) == 0) ? SZ_OK : SZ_ERROR_READ;
+}
+
+static SRes FileInStream_Seek(void *pp, Int64 *pos, ESzSeek origin)
+{
+  CFileInStream *p = (CFileInStream *)pp;
+  return File_Seek(&p->file, pos, origin);
+}
+
+void FileInStream_CreateVTable(CFileInStream *p)
+{
+  p->s.Read = FileInStream_Read;
+  p->s.Seek = FileInStream_Seek;
+}
+
+
+/* ---------- FileOutStream ---------- */
+
+static size_t FileOutStream_Write(void *pp, const void *data, size_t size)
+{
+  CFileOutStream *p = (CFileOutStream *)pp;
+  File_Write(&p->file, data, &size);
+  return size;
+}
+
+void FileOutStream_CreateVTable(CFileOutStream *p)
+{
+  p->s.Write = FileOutStream_Write;
+}
diff --git a/libclamav/7z/7zFile.h b/libclamav/7z/7zFile.h
new file mode 100644
index 000000000..4fd2936cc
--- /dev/null
+++ b/libclamav/7z/7zFile.h
@@ -0,0 +1,74 @@
+/* 7zFile.h -- File IO
+2008-11-22 : Igor Pavlov : Public domain */
+
+#ifndef __7Z_FILE_H
+#define __7Z_FILE_H
+
+#ifdef _WIN32
+#define USE_WINDOWS_FILE
+#endif
+
+#ifdef USE_WINDOWS_FILE
+#include <windows.h>
+#else
+#include <stdio.h>
+#endif
+
+#include "Types.h"
+
+
+/* ---------- File ---------- */
+
+typedef struct
+{
+  #ifdef USE_WINDOWS_FILE
+  HANDLE handle;
+  #else
+  FILE *file;
+  #endif
+} CSzFile;
+
+void File_Construct(CSzFile *p);
+WRes InFile_Open(CSzFile *p, const char *name);
+WRes OutFile_Open(CSzFile *p, const char *name);
+WRes File_Close(CSzFile *p);
+
+/* reads max(*size, remain file's size) bytes */
+WRes File_Read(CSzFile *p, void *data, size_t *size);
+
+/* writes *size bytes */
+WRes File_Write(CSzFile *p, const void *data, size_t *size);
+
+WRes File_Seek(CSzFile *p, Int64 *pos, ESzSeek origin);
+WRes File_GetLength(CSzFile *p, UInt64 *length);
+
+
+/* ---------- FileInStream ---------- */
+
+typedef struct
+{
+  ISeqInStream s;
+  CSzFile file;
+} CFileSeqInStream;
+
+void FileSeqInStream_CreateVTable(CFileSeqInStream *p);
+
+
+typedef struct
+{
+  ISeekInStream s;
+  CSzFile file;
+} CFileInStream;
+
+void FileInStream_CreateVTable(CFileInStream *p);
+
+
+typedef struct
+{
+  ISeqOutStream s;
+  CSzFile file;
+} CFileOutStream;
+
+void FileOutStream_CreateVTable(CFileOutStream *p);
+
+#endif
diff --git a/libclamav/7z/7zStream.c b/libclamav/7z/7zStream.c
new file mode 100644
index 000000000..a0a2405d0
--- /dev/null
+++ b/libclamav/7z/7zStream.c
@@ -0,0 +1,169 @@
+/* 7zStream.c -- 7z Stream functions
+2008-11-23 : Igor Pavlov : Public domain */
+
+#include <string.h>
+
+#include "Types.h"
+
+SRes SeqInStream_Read2(ISeqInStream *stream, void *buf, size_t size, SRes errorType)
+{
+  while (size != 0)
+  {
+    size_t processed = size;
+    RINOK(stream->Read(stream, buf, &processed));
+    if (processed == 0)
+      return errorType;
+    buf = (void *)((Byte *)buf + processed);
+    size -= processed;
+  }
+  return SZ_OK;
+}
+
+SRes SeqInStream_Read(ISeqInStream *stream, void *buf, size_t size)
+{
+  return SeqInStream_Read2(stream, buf, size, SZ_ERROR_INPUT_EOF);
+}
+
+SRes SeqInStream_ReadByte(ISeqInStream *stream, Byte *buf)
+{
+  size_t processed = 1;
+  RINOK(stream->Read(stream, buf, &processed));
+  return (processed == 1) ? SZ_OK : SZ_ERROR_INPUT_EOF;
+}
+
+SRes LookInStream_SeekTo(ILookInStream *stream, UInt64 offset)
+{
+  Int64 t = offset;
+  return stream->Seek(stream, &t, SZ_SEEK_SET);
+}
+
+SRes LookInStream_LookRead(ILookInStream *stream, void *buf, size_t *size)
+{
+  void *lookBuf;
+  if (*size == 0)
+    return SZ_OK;
+  RINOK(stream->Look(stream, &lookBuf, size));
+  memcpy(buf, lookBuf, *size);
+  return stream->Skip(stream, *size);
+}
+
+SRes LookInStream_Read2(ILookInStream *stream, void *buf, size_t size, SRes errorType)
+{
+  while (size != 0)
+  {
+    size_t processed = size;
+    RINOK(stream->Read(stream, buf, &processed));
+    if (processed == 0)
+      return errorType;
+    buf = (void *)((Byte *)buf + processed);
+    size -= processed;
+  }
+  return SZ_OK;
+}
+
+SRes LookInStream_Read(ILookInStream *stream, void *buf, size_t size)
+{
+  return LookInStream_Read2(stream, buf, size, SZ_ERROR_INPUT_EOF);
+}
+
+static SRes LookToRead_Look_Lookahead(void *pp, void **buf, size_t *size)
+{
+  SRes res = SZ_OK;
+  CLookToRead *p = (CLookToRead *)pp;
+  size_t size2 = p->size - p->pos;
+  if (size2 == 0 && *size > 0)
+  {
+    p->pos = 0;
+    size2 = LookToRead_BUF_SIZE;
+    res = p->realStream->Read(p->realStream, p->buf, &size2);
+    p->size = size2;
+  }
+  if (size2 < *size)
+    *size = size2;
+  *buf = p->buf + p->pos;
+  return res;
+}
+
+static SRes LookToRead_Look_Exact(void *pp, void **buf, size_t *size)
+{
+  SRes res = SZ_OK;
+  CLookToRead *p = (CLookToRead *)pp;
+  size_t size2 = p->size - p->pos;
+  if (size2 == 0 && *size > 0)
+  {
+    p->pos = 0;
+    if (*size > LookToRead_BUF_SIZE)
+      *size = LookToRead_BUF_SIZE;
+    res = p->realStream->Read(p->realStream, p->buf, size);
+    size2 = p->size = *size;
+  }
+  if (size2 < *size)
+    *size = size2;
+  *buf = p->buf + p->pos;
+  return res;
+}
+
+static SRes LookToRead_Skip(void *pp, size_t offset)
+{
+  CLookToRead *p = (CLookToRead *)pp;
+  p->pos += offset;
+  return SZ_OK;
+}
+
+static SRes LookToRead_Read(void *pp, void *buf, size_t *size)
+{
+  CLookToRead *p = (CLookToRead *)pp;
+  size_t rem = p->size - p->pos;
+  if (rem == 0)
+    return p->realStream->Read(p->realStream, buf, size);
+  if (rem > *size)
+    rem = *size;
+  memcpy(buf, p->buf + p->pos, rem);
+  p->pos += rem;
+  *size = rem;
+  return SZ_OK;
+}
+
+static SRes LookToRead_Seek(void *pp, Int64 *pos, ESzSeek origin)
+{
+  CLookToRead *p = (CLookToRead *)pp;
+  p->pos = p->size = 0;
+  return p->realStream->Seek(p->realStream, pos, origin);
+}
+
+void LookToRead_CreateVTable(CLookToRead *p, int lookahead)
+{
+  p->s.Look = lookahead ?
+      LookToRead_Look_Lookahead :
+      LookToRead_Look_Exact;
+  p->s.Skip = LookToRead_Skip;
+  p->s.Read = LookToRead_Read;
+  p->s.Seek = LookToRead_Seek;
+}
+
+void LookToRead_Init(CLookToRead *p)
+{
+  p->pos = p->size = 0;
+}
+
+static SRes SecToLook_Read(void *pp, void *buf, size_t *size)
+{
+  CSecToLook *p = (CSecToLook *)pp;
+  return LookInStream_LookRead(p->realStream, buf, size);
+}
+
+void SecToLook_CreateVTable(CSecToLook *p)
+{
+  p->s.Read = SecToLook_Read;
+}
+
+static SRes SecToRead_Read(void *pp, void *buf, size_t *size)
+{
+  CSecToRead *p = (CSecToRead *)pp;
+  return p->realStream->Read(p->realStream, buf, size);
+}
+
+void SecToRead_CreateVTable(CSecToRead *p)
+{
+  p->s.Read = SecToRead_Read;
+}
diff --git a/libclamav/7z/Archive/7z/7zDecode.c b/libclamav/7z/Archive/7z/7zDecode.c
new file mode 100644
index 000000000..097d2ea3c
--- /dev/null
+++ b/libclamav/7z/Archive/7z/7zDecode.c
@@ -0,0 +1,254 @@
+/* 7zDecode.c -- Decoding from 7z folder
+2008-11-23 : Igor Pavlov : Public domain */
+
+#include <string.h>
+
+#include "../../Bcj2.h"
+#include "../../Bra.h"
+#include "../../LzmaDec.h"
+#include "7zDecode.h"
+
+#define k_Copy 0
+#define k_LZMA 0x30101
+#define k_BCJ 0x03030103
+#define k_BCJ2 0x0303011B
+
+static SRes SzDecodeLzma(CSzCoderInfo *coder, UInt64 inSize, ILookInStream *inStream,
+    Byte *outBuffer, SizeT outSize, ISzAlloc *allocMain)
+{
+  CLzmaDec state;
+  SRes res = SZ_OK;
+
+  LzmaDec_Construct(&state);
+  RINOK(LzmaDec_AllocateProbs(&state, coder->Props.data, (unsigned)coder->Props.size, allocMain));
+  state.dic = outBuffer;
+  state.dicBufSize = outSize;
+  LzmaDec_Init(&state);
+
+  for (;;)
+  {
+    Byte *inBuf = NULL;
+    size_t lookahead = (1 << 18);
+    if (lookahead > inSize)
+      lookahead = (size_t)inSize;
+    res = inStream->Look((void *)inStream, (void **)&inBuf, &lookahead);
+    if (res != SZ_OK)
+      break;
+
+    {
+      SizeT inProcessed = (SizeT)lookahead, dicPos = state.dicPos;
+      ELzmaStatus status;
+      res = LzmaDec_DecodeToDic(&state, outSize, inBuf, &inProcessed, LZMA_FINISH_END, &status);
+      lookahead -= inProcessed;
+      inSize -= inProcessed;
+      if (res != SZ_OK)
+        break;
+      if (state.dicPos == state.dicBufSize || (inProcessed == 0 && dicPos == state.dicPos))
+      {
+        if (state.dicBufSize != outSize || lookahead != 0 ||
+            (status != LZMA_STATUS_FINISHED_WITH_MARK &&
+             status != LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK))
+          res = SZ_ERROR_DATA;
+        break;
+      }
+      res = inStream->Skip((void *)inStream, inProcessed);
+      if (res != SZ_OK)
+        break;
+    }
+  }
+
+  LzmaDec_FreeProbs(&state, allocMain);
+  return res;
+}
+
+static SRes SzDecodeCopy(UInt64 inSize, ILookInStream *inStream, Byte *outBuffer)
+{
+  while (inSize > 0)
+  {
+    void *inBuf;
+    size_t curSize = (1 << 18);
+    if (curSize > inSize)
+      curSize = (size_t)inSize;
+    RINOK(inStream->Look((void *)inStream, (void **)&inBuf, &curSize));
+    if (curSize == 0)
+      return SZ_ERROR_INPUT_EOF;
+    memcpy(outBuffer, inBuf, curSize);
+    outBuffer += curSize;
+    inSize -= curSize;
+    RINOK(inStream->Skip((void *)inStream, curSize));
+  }
+  return SZ_OK;
+}
+
+#define IS_UNSUPPORTED_METHOD(m) ((m) != k_Copy && (m) != k_LZMA)
+#define IS_UNSUPPORTED_CODER(c) (IS_UNSUPPORTED_METHOD(c.MethodID) || c.NumInStreams != 1 || c.NumOutStreams != 1)
+#define IS_NO_BCJ(c) (c.MethodID != k_BCJ || c.NumInStreams != 1 || c.NumOutStreams != 1)
+#define IS_NO_BCJ2(c) (c.MethodID != k_BCJ2 || c.NumInStreams != 4 || c.NumOutStreams != 1)
+
+SRes CheckSupportedFolder(const CSzFolder *f)
+{
+  if (f->NumCoders < 1 || f->NumCoders > 4)
+    return SZ_ERROR_UNSUPPORTED;
+  if (IS_UNSUPPORTED_CODER(f->Coders[0]))
+    return SZ_ERROR_UNSUPPORTED;
+  if (f->NumCoders == 1)
+  {
+    if (f->NumPackStreams != 1 || f->PackStreams[0] != 0 || f->NumBindPairs != 0)
+      return SZ_ERROR_UNSUPPORTED;
+    return SZ_OK;
+  }
+  if (f->NumCoders == 2)
+  {
+    if (IS_NO_BCJ(f->Coders[1]) ||
+        f->NumPackStreams != 1 || f->PackStreams[0] != 0 ||
+        f->NumBindPairs != 1 ||
+        f->BindPairs[0].InIndex != 1 || f->BindPairs[0].OutIndex != 0)
+      return SZ_ERROR_UNSUPPORTED;
+    return SZ_OK;
+  }
+  if (f->NumCoders == 4)
+  {
+    if (IS_UNSUPPORTED_CODER(f->Coders[1]) ||
+        IS_UNSUPPORTED_CODER(f->Coders[2]) ||
+        IS_NO_BCJ2(f->Coders[3]))
+      return SZ_ERROR_UNSUPPORTED;
+    if (f->NumPackStreams != 4 ||
+        f->PackStreams[0] != 2 ||
+        f->PackStreams[1] != 6 ||
+        f->PackStreams[2] != 1 ||
+        f->PackStreams[3] != 0 ||
+        f->NumBindPairs != 3 ||
+        f->BindPairs[0].InIndex != 5 || f->BindPairs[0].OutIndex != 0 ||
+        f->BindPairs[1].InIndex != 4 || f->BindPairs[1].OutIndex != 1 ||
+        f->BindPairs[2].InIndex != 3 || f->BindPairs[2].OutIndex != 2)
+      return SZ_ERROR_UNSUPPORTED;
+    return SZ_OK;
+  }
+  return SZ_ERROR_UNSUPPORTED;
+}
+
+UInt64 GetSum(const UInt64 *values, UInt32 index)
+{
+  UInt64 sum = 0;
+  UInt32 i;
+  for (i = 0; i < index; i++)
+    sum += values[i];
+  return sum;
+}
+
+SRes SzDecode2(const UInt64 *packSizes, const CSzFolder *folder,
+    ILookInStream *inStream, UInt64 startPos,
+    Byte *outBuffer, SizeT outSize, ISzAlloc *allocMain,
+    Byte *tempBuf[])
+{
+  UInt32 ci;
+  SizeT tempSizes[3] = { 0, 0, 0};
+  SizeT tempSize3 = 0;
+  Byte *tempBuf3 = 0;
+
+  RINOK(CheckSupportedFolder(folder));
+
+  for (ci = 0; ci < folder->NumCoders; ci++)
+  {
+    CSzCoderInfo *coder = &folder->Coders[ci];
+
+    if (coder->MethodID == k_Copy || coder->MethodID == k_LZMA)
+    {
+      UInt32 si = 0;
+      UInt64 offset;
+      UInt64 inSize;
+      Byte *outBufCur = outBuffer;
+      SizeT outSizeCur = outSize;
+      if (folder->NumCoders == 4)
+      {
+        UInt32 indices[] = { 3, 2, 0 };
+        UInt64 unpackSize = folder->UnpackSizes[ci];
+        si = indices[ci];
+        if (ci < 2)
+        {
+          Byte *temp;
+          outSizeCur = (SizeT)unpackSize;
+          if (outSizeCur != unpackSize)
+            return SZ_ERROR_MEM;
+          temp = (Byte *)IAlloc_Alloc(allocMain, outSizeCur);
+          if (temp == 0 && outSizeCur != 0)
+            return SZ_ERROR_MEM;
+          outBufCur = tempBuf[1 - ci] = temp;
+          tempSizes[1 - ci] = outSizeCur;
+        }
+        else if (ci == 2)
+        {
+          if (unpackSize > outSize) /* check it */
+            return SZ_ERROR_PARAM;
+          tempBuf3 = outBufCur = outBuffer + (outSize - (size_t)unpackSize);
+          tempSize3 = outSizeCur = (SizeT)unpackSize;
+        }
+        else
+          return SZ_ERROR_UNSUPPORTED;
+      }
+      offset = GetSum(packSizes, si);
+      inSize = packSizes[si];
+      RINOK(LookInStream_SeekTo(inStream, startPos + offset));
+
+      if (coder->MethodID == k_Copy)
+      {
+        if (inSize != outSizeCur) /* check it */
+          return SZ_ERROR_DATA;
+        RINOK(SzDecodeCopy(inSize, inStream, outBufCur));
+      }
+      else
+      {
+        RINOK(SzDecodeLzma(coder, inSize, inStream, outBufCur, outSizeCur, allocMain));
+      }
+    }
+    else if (coder->MethodID == k_BCJ)
+    {
+      UInt32 state;
+      if (ci != 1)
+        return SZ_ERROR_UNSUPPORTED;
+      x86_Convert_Init(state);
+      x86_Convert(outBuffer, outSize, 0, &state, 0);
+    }
+    else if (coder->MethodID == k_BCJ2)
+    {
+      UInt64 offset = GetSum(packSizes, 1);
+      UInt64 s3Size = packSizes[1];
+      SRes res;
+      if (ci != 3)
+        return SZ_ERROR_UNSUPPORTED;
+      RINOK(LookInStream_SeekTo(inStream, startPos + offset));
+      tempSizes[2] = (SizeT)s3Size;
+      if (tempSizes[2] != s3Size)
+        return SZ_ERROR_MEM;
+      tempBuf[2] = (Byte *)IAlloc_Alloc(allocMain, tempSizes[2]);
+      if (tempBuf[2] == 0 && tempSizes[2] != 0)
+        return SZ_ERROR_MEM;
+      res = SzDecodeCopy(s3Size, inStream, tempBuf[2]);
+      RINOK(res)
+
+      res = Bcj2_Decode(
+          tempBuf3, tempSize3,
+          tempBuf[0], tempSizes[0],
+          tempBuf[1], tempSizes[1],
+          tempBuf[2], tempSizes[2],
+          outBuffer, outSize);
+      RINOK(res)
+    }
+    else
+      return SZ_ERROR_UNSUPPORTED;
+  }
+  return SZ_OK;
+}
+
+SRes SzDecode(const UInt64 *packSizes, const CSzFolder *folder,
+    ILookInStream *inStream, UInt64 startPos,
+    Byte *outBuffer, size_t outSize, ISzAlloc *allocMain)
+{
+  Byte *tempBuf[3] = { 0, 0, 0};
+  int i;
+  SRes res = SzDecode2(packSizes, folder, inStream, startPos,
+      outBuffer, (SizeT)outSize, allocMain, tempBuf);
+  for (i = 0; i < 3; i++)
+    IAlloc_Free(allocMain, tempBuf[i]);
+  return res;
+}
diff --git a/libclamav/7z/Archive/7z/7zDecode.h b/libclamav/7z/Archive/7z/7zDecode.h
new file mode 100644
index 000000000..9607915bf
--- /dev/null
+++ b/libclamav/7z/Archive/7z/7zDecode.h
@@ -0,0 +1,13 @@
+/* 7zDecode.h -- Decoding from 7z folder
+2008-11-23 : Igor Pavlov : Public domain */
+
+#ifndef __7Z_DECODE_H
+#define __7Z_DECODE_H
+
+#include "7zItem.h"
+
+SRes SzDecode(const UInt64 *packSizes, const CSzFolder *folder,
+    ILookInStream *stream, UInt64 startPos,
+    Byte *outBuffer, size_t outSize, ISzAlloc *allocMain);
+
+#endif
diff --git a/libclamav/7z/Archive/7z/7zExtract.c b/libclamav/7z/Archive/7z/7zExtract.c
new file mode 100755
index 000000000..0f957add1
--- /dev/null
+++ b/libclamav/7z/Archive/7z/7zExtract.c
@@ -0,0 +1,93 @@
+/* 7zExtract.c -- Extracting from 7z archive
+2008-11-23 : Igor Pavlov : Public domain */
+
+#include "../../7zCrc.h"
+#include "7zDecode.h"
+#include "7zExtract.h"
+
+SRes SzAr_Extract(
+    const CSzArEx *p,
+    ILookInStream *inStream,
+    UInt32 fileIndex,
+    UInt32 *blockIndex,
+    Byte **outBuffer,
+    size_t *outBufferSize,
+    size_t *offset,
+    size_t *outSizeProcessed,
+    ISzAlloc *allocMain,
+    ISzAlloc *allocTemp)
+{
+  UInt32 folderIndex = p->FileIndexToFolderIndexMap[fileIndex];
+  SRes res = SZ_OK;
+  *offset = 0;
+  *outSizeProcessed = 0;
+  if (folderIndex == (UInt32)-1)
+  {
+    IAlloc_Free(allocMain, *outBuffer);
+    *blockIndex = folderIndex;
+    *outBuffer = 0;
+    *outBufferSize = 0;
+    return SZ_OK;
+  }
+
+  if (*outBuffer == 0 || *blockIndex != folderIndex)
+  {
+    CSzFolder *folder = p->db.Folders + folderIndex;
+    UInt64 unpackSizeSpec = SzFolder_GetUnpackSize(folder);
+    size_t unpackSize = (size_t)unpackSizeSpec;
+    UInt64 startOffset = SzArEx_GetFolderStreamPos(p, folderIndex, 0);
+
+    if (unpackSize != unpackSizeSpec)
+      return SZ_ERROR_MEM;
+    *blockIndex = folderIndex;
+    IAlloc_Free(allocMain, *outBuffer);
+    *outBuffer = 0;
+    
+    RINOK(LookInStream_SeekTo(inStream, startOffset));
+    
+    if (res == SZ_OK)
+    {
+      *outBufferSize = unpackSize;
+      if (unpackSize != 0)
+      {
+        *outBuffer = (Byte *)IAlloc_Alloc(allocMain, unpackSize);
+        if (*outBuffer == 0)
+          res = SZ_ERROR_MEM;
+      }
+      if (res == SZ_OK)
+      {
+        res = SzDecode(p->db.PackSizes +
+          p->FolderStartPackStreamIndex[folderIndex], folder,
+          inStream, startOffset,
+          *outBuffer, unpackSize, allocTemp);
+        if (res == SZ_OK)
+        {
+          if (folder->UnpackCRCDefined)
+          {
+            if (CrcCalc(*outBuffer, unpackSize) != folder->UnpackCRC)
+              res = SZ_ERROR_CRC;
+          }
+        }
+      }
+    }
+  }
+  if (res == SZ_OK)
+  {
+    UInt32 i;
+    CSzFileItem *fileItem = p->db.Files + fileIndex;
+    *offset = 0;
+    for (i = p->FolderStartFileIndex[folderIndex]; i < fileIndex; i++)
+      *offset += (UInt32)p->db.Files[i].Size;
+    *outSizeProcessed = (size_t)fileItem->Size;
+    if (*offset + *outSizeProcessed > *outBufferSize)
+      return SZ_ERROR_FAIL;
+    {
+      if (fileItem->FileCRCDefined)
+      {
+        if (CrcCalc(*outBuffer + *offset, *outSizeProcessed) != fileItem->FileCRC)
+          res = SZ_ERROR_CRC;
+      }
+    }
+  }
+  return res;
+}
diff --git a/libclamav/7z/Archive/7z/7zExtract.h b/libclamav/7z/Archive/7z/7zExtract.h
new file mode 100755
index 000000000..e171f4ab8
--- /dev/null
+++ b/libclamav/7z/Archive/7z/7zExtract.h
@@ -0,0 +1,41 @@
+/* 7zExtract.h -- Extracting from 7z archive
+2008-11-23 : Igor Pavlov : Public domain */
+
+#ifndef __7Z_EXTRACT_H
+#define __7Z_EXTRACT_H
+
+#include "7zIn.h"
+
+/*
+  SzExtract extracts file from archive
+
+  *outBuffer must be 0 before first call for each new archive.
+
+  Extracting cache:
+    If you need to decompress more than one file, you can send
+    these values from previous call:
+      *blockIndex,
+      *outBuffer,
+      *outBufferSize
+    You can consider "*outBuffer" as cache of solid block. If your archive is solid,
+    it will increase decompression speed.
+  
+    If you use external function, you can declare these 3 cache variables
+    (blockIndex, outBuffer, outBufferSize) as static in that external function.
+    
+    Free *outBuffer and set *outBuffer to 0, if you want to flush cache.
+*/
+
+SRes SzAr_Extract(
+    const CSzArEx *db,
+    ILookInStream *inStream,
+    UInt32 fileIndex,         /* index of file */
+    UInt32 *blockIndex,       /* index of solid block */
+    Byte **outBuffer,         /* pointer to pointer to output buffer (allocated with allocMain) */
+    size_t *outBufferSize,    /* buffer size for output buffer */
+    size_t *offset,           /* offset of stream for required file in *outBuffer */
+    size_t *outSizeProcessed, /* size of file in *outBuffer */
+    ISzAlloc *allocMain,
+    ISzAlloc *allocTemp);
+
+#endif
diff --git a/libclamav/7z/Archive/7z/7zHeader.c b/libclamav/7z/Archive/7z/7zHeader.c
new file mode 100644
index 000000000..c44ff4a48
--- /dev/null
+++ b/libclamav/7z/Archive/7z/7zHeader.c
@@ -0,0 +1,6 @@
+/*  7zHeader.c -- 7z Headers
+2008-10-04 : Igor Pavlov : Public domain */
+
+#include "7zHeader.h"
+
+Byte k7zSignature[k7zSignatureSize] = {'7', 'z', 0xBC, 0xAF, 0x27, 0x1C};
diff --git a/libclamav/7z/Archive/7z/7zHeader.h b/libclamav/7z/Archive/7z/7zHeader.h
new file mode 100644
index 000000000..1ef8c0196
--- /dev/null
+++ b/libclamav/7z/Archive/7z/7zHeader.h
@@ -0,0 +1,57 @@
+/* 7zHeader.h -- 7z Headers
+2008-10-04 : Igor Pavlov : Public domain */
+
+#ifndef __7Z_HEADER_H
+#define __7Z_HEADER_H
+
+#include "../../Types.h"
+
+#define k7zSignatureSize 6
+extern Byte k7zSignature[k7zSignatureSize];
+
+#define k7zMajorVersion 0
+
+#define k7zStartHeaderSize 0x20
+
+enum EIdEnum
+{
+  k7zIdEnd,
+    
+  k7zIdHeader,
+    
+  k7zIdArchiveProperties,
+    
+  k7zIdAdditionalStreamsInfo,
+  k7zIdMainStreamsInfo,
+  k7zIdFilesInfo,
+  
+  k7zIdPackInfo,
+  k7zIdUnpackInfo,
+  k7zIdSubStreamsInfo,
+  
+  k7zIdSize,
+  k7zIdCRC,
+  
+  k7zIdFolder,
+  
+  k7zIdCodersUnpackSize,
+  k7zIdNumUnpackStream,
+  
+  k7zIdEmptyStream,
+  k7zIdEmptyFile,
+  k7zIdAnti,
+  
+  k7zIdName,
+  k7zIdCTime,
+  k7zIdATime,
+  k7zIdMTime,
+  k7zIdWinAttributes,
+  k7zIdComment,
+  
+  k7zIdEncodedHeader,
+  
+  k7zIdStartPos,
+  k7zIdDummy
+};
+
+#endif
diff --git a/libclamav/7z/Archive/7z/7zIn.c b/libclamav/7z/Archive/7z/7zIn.c
new file mode 100644
index 000000000..75b0bcd1d
--- /dev/null
+++ b/libclamav/7z/Archive/7z/7zIn.c
@@ -0,0 +1,1204 @@
+/* 7zIn.c -- 7z Input functions
+2008-12-31 : Igor Pavlov : Public domain */
+
+#include "../../7zCrc.h"
+#include "../../CpuArch.h"
+
+#include "7zDecode.h"
+#include "7zIn.h"
+
+#define RINOM(x) { if ((x) == 0) return SZ_ERROR_MEM; }
+
+#define NUM_FOLDER_CODERS_MAX 32
+#define NUM_CODER_STREAMS_MAX 32
+
+void SzArEx_Init(CSzArEx *p)
+{
+  SzAr_Init(&p->db);
+  p->FolderStartPackStreamIndex = 0;
+  p->PackStreamStartPositions = 0;
+  p->FolderStartFileIndex = 0;
+  p->FileIndexToFolderIndexMap = 0;
+}
+
+void SzArEx_Free(CSzArEx *p, ISzAlloc *alloc)
+{
+  IAlloc_Free(alloc, p->FolderStartPackStreamIndex);
+  IAlloc_Free(alloc, p->PackStreamStartPositions);
+  IAlloc_Free(alloc, p->FolderStartFileIndex);
+  IAlloc_Free(alloc, p->FileIndexToFolderIndexMap);
+  SzAr_Free(&p->db, alloc);
+  SzArEx_Init(p);
+}
+
+/*
+UInt64 GetFolderPackStreamSize(int folderIndex, int streamIndex) const
+{
+  return PackSizes[FolderStartPackStreamIndex[folderIndex] + streamIndex];
+}
+
+UInt64 GetFilePackSize(int fileIndex) const
+{
+  int folderIndex = FileIndexToFolderIndexMap[fileIndex];
+  if (folderIndex >= 0)
+  {
+    const CSzFolder &folderInfo = Folders[folderIndex];
+    if (FolderStartFileIndex[folderIndex] == fileIndex)
+    return GetFolderFullPackSize(folderIndex);
+  }
+  return 0;
+}
+*/
+
+#define MY_ALLOC(T, p, size, alloc) { if ((size) == 0) p = 0; else \
+  if ((p = (T *)IAlloc_Alloc(alloc, (size) * sizeof(T))) == 0) return SZ_ERROR_MEM; }
+
+static SRes SzArEx_Fill(CSzArEx *p, ISzAlloc *alloc)
+{
+  UInt32 startPos = 0;
+  UInt64 startPosSize = 0;
+  UInt32 i;
+  UInt32 folderIndex = 0;
+  UInt32 indexInFolder = 0;
+  MY_ALLOC(UInt32, p->FolderStartPackStreamIndex, p->db.NumFolders, alloc);
+  for (i = 0; i < p->db.NumFolders; i++)
+  {
+    p->FolderStartPackStreamIndex[i] = startPos;
+    startPos += p->db.Folders[i].NumPackStreams;
+  }
+
+  MY_ALLOC(UInt64, p->PackStreamStartPositions, p->db.NumPackStreams, alloc);
+
+  for (i = 0; i < p->db.NumPackStreams; i++)
+  {
+    p->PackStreamStartPositions[i] = startPosSize;
+    startPosSize += p->db.PackSizes[i];
+  }
+
+  MY_ALLOC(UInt32, p->FolderStartFileIndex, p->db.NumFolders, alloc);
+  MY_ALLOC(UInt32, p->FileIndexToFolderIndexMap, p->db.NumFiles, alloc);
+
+  for (i = 0; i < p->db.NumFiles; i++)
+  {
+    CSzFileItem *file = p->db.Files + i;
+    int emptyStream = !file->HasStream;
+    if (emptyStream && indexInFolder == 0)
+    {
+      p->FileIndexToFolderIndexMap[i] = (UInt32)-1;
+      continue;
+    }
+    if (indexInFolder == 0)
+    {
+      /*
+      v3.13 incorrectly worked with empty folders
+      v4.07: Loop for skipping empty folders
+      */
+      for (;;)
+      {
+        if (folderIndex >= p->db.NumFolders)
+          return SZ_ERROR_ARCHIVE;
+        p->FolderStartFileIndex[folderIndex] = i;
+        if (p->db.Folders[folderIndex].NumUnpackStreams != 0)
+          break;
+        folderIndex++;
+      }
+    }
+    p->FileIndexToFolderIndexMap[i] = folderIndex;
+    if (emptyStream)
+      continue;
+    indexInFolder++;
+    if (indexInFolder >= p->db.Folders[folderIndex].NumUnpackStreams)
+    {
+      folderIndex++;
+      indexInFolder = 0;
+    }
+  }
+  return SZ_OK;
+}
+
+
+UInt64 SzArEx_GetFolderStreamPos(const CSzArEx *p, UInt32 folderIndex, UInt32 indexInFolder)
+{
+  return p->dataPos +
+    p->PackStreamStartPositions[p->FolderStartPackStreamIndex[folderIndex] + indexInFolder];
+}
+
+int SzArEx_GetFolderFullPackSize(const CSzArEx *p, UInt32 folderIndex, UInt64 *resSize)
+{
+  UInt32 packStreamIndex = p->FolderStartPackStreamIndex[folderIndex];
+  CSzFolder *folder = p->db.Folders + folderIndex;
+  UInt64 size = 0;
+  UInt32 i;
+  for (i = 0; i < folder->NumPackStreams; i++)
+  {
+    UInt64 t = size + p->db.PackSizes[packStreamIndex + i];
+    if (t < size) /* check it */
+      return SZ_ERROR_FAIL;
+    size = t;
+  }
+  *resSize = size;
+  return SZ_OK;
+}
+
+
+/*
+SRes SzReadTime(const CObjectVector<CBuf> &dataVector,
+    CObjectVector<CSzFileItem> &files, UInt64 type)
+{
+  CBoolVector boolVector;
+  RINOK(ReadBoolVector2(files.Size(), boolVector))
+
+  CStreamSwitch streamSwitch;
+  RINOK(streamSwitch.Set(this, &dataVector));
+
+  for (int i = 0; i < files.Size(); i++)
+  {
+    CSzFileItem &file = files[i];
+    CArchiveFileTime fileTime;
+    bool defined = boolVector[i];
+    if (defined)
+    {
+      UInt32 low, high;
+      RINOK(SzReadUInt32(low));
+      RINOK(SzReadUInt32(high));
+      fileTime.dwLowDateTime = low;
+      fileTime.dwHighDateTime = high;
+    }
+    switch(type)
+    {
+      case k7zIdCTime: file.IsCTimeDefined = defined; if (defined) file.CTime = fileTime; break;
+      case k7zIdATime: file.IsATimeDefined = defined; if (defined) file.ATime = fileTime; break;
+      case k7zIdMTime: file.IsMTimeDefined = defined; if (defined) file.MTime = fileTime; break;
+    }
+  }
+  return SZ_OK;
+}
+*/
+
+static int TestSignatureCandidate(Byte *testBytes)
+{
+  size_t i;
+  for (i = 0; i < k7zSignatureSize; i++)
+    if (testBytes[i] != k7zSignature[i])
+      return 0;
+  return 1;
+}
+
+typedef struct _CSzState
+{
+  Byte *Data;
+  size_t Size;
+}CSzData;
+
+static SRes SzReadByte(CSzData *sd, Byte *b)
+{
+  if (sd->Size == 0)
+    return SZ_ERROR_ARCHIVE;
+  sd->Size--;
+  *b = *sd->Data++;
+  return SZ_OK;
+}
+
+static SRes SzReadBytes(CSzData *sd, Byte *data, size_t size)
+{
+  size_t i;
+  for (i = 0; i < size; i++)
+  {
+    RINOK(SzReadByte(sd, data + i));
+  }
+  return SZ_OK;
+}
+
+static SRes SzReadUInt32(CSzData *sd, UInt32 *value)
+{
+  int i;
+  *value = 0;
+  for (i = 0; i < 4; i++)
+  {
+    Byte b;
+    RINOK(SzReadByte(sd, &b));
+    *value |= ((UInt32)(b) << (8 * i));
+  }
+  return SZ_OK;
+}
+
+static SRes SzReadNumber(CSzData *sd, UInt64 *value)
+{
+  Byte firstByte;
+  Byte mask = 0x80;
+  int i;
+  RINOK(SzReadByte(sd, &firstByte));
+  *value = 0;
+  for (i = 0; i < 8; i++)
+  {
+    Byte b;
+    if ((firstByte & mask) == 0)
+    {
+      UInt64 highPart = firstByte & (mask - 1);
+      *value += (highPart << (8 * i));
+      return SZ_OK;
+    }
+    RINOK(SzReadByte(sd, &b));
+    *value |= ((UInt64)b << (8 * i));
+    mask >>= 1;
+  }
+  return SZ_OK;
+}
+
+static SRes SzReadNumber32(CSzData *sd, UInt32 *value)
+{
+  UInt64 value64;
+  RINOK(SzReadNumber(sd, &value64));
+  if (value64 >= 0x80000000)
+    return SZ_ERROR_UNSUPPORTED;
+  if (value64 >= ((UInt64)(1) << ((sizeof(size_t) - 1) * 8 + 2)))
+    return SZ_ERROR_UNSUPPORTED;
+  *value = (UInt32)value64;
+  return SZ_OK;
+}
+
+static SRes SzReadID(CSzData *sd, UInt64 *value)
+{
+  return SzReadNumber(sd, value);
+}
+
+static SRes SzSkeepDataSize(CSzData *sd, UInt64 size)
+{
+  if (size > sd->Size)
+    return SZ_ERROR_ARCHIVE;
+  sd->Size -= (size_t)size;
+  sd->Data += (size_t)size;
+  return SZ_OK;
+}
+
+static SRes SzSkeepData(CSzData *sd)
+{
+  UInt64 size;
+  RINOK(SzReadNumber(sd, &size));
+  return SzSkeepDataSize(sd, size);
+}
+
+static SRes SzReadArchiveProperties(CSzData *sd)
+{
+  for (;;)
+  {
+    UInt64 type;
+    RINOK(SzReadID(sd, &type));
+    if (type == k7zIdEnd)
+      break;
+    SzSkeepData(sd);
+  }
+  return SZ_OK;
+}
+
+static SRes SzWaitAttribute(CSzData *sd, UInt64 attribute)
+{
+  for (;;)
+  {
+    UInt64 type;
+    RINOK(SzReadID(sd, &type));
+    if (type == attribute)
+      return SZ_OK;
+    if (type == k7zIdEnd)
+      return SZ_ERROR_ARCHIVE;
+    RINOK(SzSkeepData(sd));
+  }
+}
+
+static SRes SzReadBoolVector(CSzData *sd, size_t numItems, Byte **v, ISzAlloc *alloc)
+{
+  Byte b = 0;
+  Byte mask = 0;
+  size_t i;
+  MY_ALLOC(Byte, *v, numItems, alloc);
+  for (i = 0; i < numItems; i++)
+  {
+    if (mask == 0)
+    {
+      RINOK(SzReadByte(sd, &b));
+      mask = 0x80;
+    }
+    (*v)[i] = (Byte)(((b & mask) != 0) ? 1 : 0);
+    mask >>= 1;
+  }
+  return SZ_OK;
+}
+
+static SRes SzReadBoolVector2(CSzData *sd, size_t numItems, Byte **v, ISzAlloc *alloc)
+{
+  Byte allAreDefined;
+  size_t i;
+  RINOK(SzReadByte(sd, &allAreDefined));
+  if (allAreDefined == 0)
+    return SzReadBoolVector(sd, numItems, v, alloc);
+  MY_ALLOC(Byte, *v, numItems, alloc);
+  for (i = 0; i < numItems; i++)
+    (*v)[i] = 1;
+  return SZ_OK;
+}
+
+static SRes SzReadHashDigests(
+    CSzData *sd,
+    size_t numItems,
+    Byte **digestsDefined,
+    UInt32 **digests,
+    ISzAlloc *alloc)
+{
+  size_t i;
+  RINOK(SzReadBoolVector2(sd, numItems, digestsDefined, alloc));
+  MY_ALLOC(UInt32, *digests, numItems, alloc);
+  for (i = 0; i < numItems; i++)
+    if ((*digestsDefined)[i])
+    {
+      RINOK(SzReadUInt32(sd, (*digests) + i));
+    }
+  return SZ_OK;
+}
+
+static SRes SzReadPackInfo(
+    CSzData *sd,
+    UInt64 *dataOffset,
+    UInt32 *numPackStreams,
+    UInt64 **packSizes,
+    Byte **packCRCsDefined,
+    UInt32 **packCRCs,
+    ISzAlloc *alloc)
+{
+  UInt32 i;
+  RINOK(SzReadNumber(sd, dataOffset));
+  RINOK(SzReadNumber32(sd, numPackStreams));
+
+  RINOK(SzWaitAttribute(sd, k7zIdSize));
+
+  MY_ALLOC(UInt64, *packSizes, (size_t)*numPackStreams, alloc);
+
+  for (i = 0; i < *numPackStreams; i++)
+  {
+    RINOK(SzReadNumber(sd, (*packSizes) + i));
+  }
+
+  for (;;)
+  {
+    UInt64 type;
+    RINOK(SzReadID(sd, &type));
+    if (type == k7zIdEnd)
+      break;
+    if (type == k7zIdCRC)
+    {
+      RINOK(SzReadHashDigests(sd, (size_t)*numPackStreams, packCRCsDefined, packCRCs, alloc));
+      continue;
+    }
+    RINOK(SzSkeepData(sd));
+  }
+  if (*packCRCsDefined == 0)
+  {
+    MY_ALLOC(Byte, *packCRCsDefined, (size_t)*numPackStreams, alloc);
+    MY_ALLOC(UInt32, *packCRCs, (size_t)*numPackStreams, alloc);
+    for (i = 0; i < *numPackStreams; i++)
+    {
+      (*packCRCsDefined)[i] = 0;
+      (*packCRCs)[i] = 0;
+    }
+  }
+  return SZ_OK;
+}
+
+static SRes SzReadSwitch(CSzData *sd)
+{
+  Byte external;
+  RINOK(SzReadByte(sd, &external));
+  return (external == 0) ? SZ_OK: SZ_ERROR_UNSUPPORTED;
+}
+
+static SRes SzGetNextFolderItem(CSzData *sd, CSzFolder *folder, ISzAlloc *alloc)
+{
+  UInt32 numCoders, numBindPairs, numPackStreams, i;
+  UInt32 numInStreams = 0, numOutStreams = 0;
+  
+  RINOK(SzReadNumber32(sd, &numCoders));
+  if (numCoders > NUM_FOLDER_CODERS_MAX)
+    return SZ_ERROR_UNSUPPORTED;
+  folder->NumCoders = numCoders;
+  
+  MY_ALLOC(CSzCoderInfo, folder->Coders, (size_t)numCoders, alloc);
+
+  for (i = 0; i < numCoders; i++)
+    SzCoderInfo_Init(folder->Coders + i);
+
+  for (i = 0; i < numCoders; i++)
+  {
+    Byte mainByte;
+    CSzCoderInfo *coder = folder->Coders + i;
+    {
+      unsigned idSize, j;
+      Byte longID[15];
+      RINOK(SzReadByte(sd, &mainByte));
+      idSize = (unsigned)(mainByte & 0xF);
+      RINOK(SzReadBytes(sd, longID, idSize));
+      if (idSize > sizeof(coder->MethodID))
+        return SZ_ERROR_UNSUPPORTED;
+      coder->MethodID = 0;
+      for (j = 0; j < idSize; j++)
+        coder->MethodID |= (UInt64)longID[idSize - 1 - j] << (8 * j);
+
+      if ((mainByte & 0x10) != 0)
+      {
+        RINOK(SzReadNumber32(sd, &coder->NumInStreams));
+        RINOK(SzReadNumber32(sd, &coder->NumOutStreams));
+        if (coder->NumInStreams > NUM_CODER_STREAMS_MAX ||
+            coder->NumOutStreams > NUM_CODER_STREAMS_MAX)
+          return SZ_ERROR_UNSUPPORTED;
+      }
+      else
+      {
+        coder->NumInStreams = 1;
+        coder->NumOutStreams = 1;
+      }
+      if ((mainByte & 0x20) != 0)
+      {
+        UInt64 propertiesSize = 0;
+        RINOK(SzReadNumber(sd, &propertiesSize));
+        if (!Buf_Create(&coder->Props, (size_t)propertiesSize, alloc))
+          return SZ_ERROR_MEM;
+        RINOK(SzReadBytes(sd, coder->Props.data, (size_t)propertiesSize));
+      }
+    }
+    while ((mainByte & 0x80) != 0)
+    {
+      RINOK(SzReadByte(sd, &mainByte));
+      RINOK(SzSkeepDataSize(sd, (mainByte & 0xF)));
+      if ((mainByte & 0x10) != 0)
+      {
+        UInt32 n;
+        RINOK(SzReadNumber32(sd, &n));
+        RINOK(SzReadNumber32(sd, &n));
+      }
+      if ((mainByte & 0x20) != 0)
+      {
+        UInt64 propertiesSize = 0;
+        RINOK(SzReadNumber(sd, &propertiesSize));
+        RINOK(SzSkeepDataSize(sd, propertiesSize));
+      }
+    }
+    numInStreams += coder->NumInStreams;
+    numOutStreams += coder->NumOutStreams;
+  }
+
+  if (numOutStreams == 0)
+    return SZ_ERROR_UNSUPPORTED;
+
+  folder->NumBindPairs = numBindPairs = numOutStreams - 1;
+  MY_ALLOC(CBindPair, folder->BindPairs, (size_t)numBindPairs, alloc);
+
+  for (i = 0; i < numBindPairs; i++)
+  {
+    CBindPair *bp = folder->BindPairs + i;
+    RINOK(SzReadNumber32(sd, &bp->InIndex));
+    RINOK(SzReadNumber32(sd, &bp->OutIndex));
+  }
+
+  if (numInStreams < numBindPairs)
+    return SZ_ERROR_UNSUPPORTED;
+
+  folder->NumPackStreams = numPackStreams = numInStreams - numBindPairs;
+  MY_ALLOC(UInt32, folder->PackStreams, (size_t)numPackStreams, alloc);
+
+  if (numPackStreams == 1)
+  {
+    for (i = 0; i < numInStreams ; i++)
+      if (SzFolder_FindBindPairForInStream(folder, i) < 0)
+        break;
+    if (i == numInStreams)
+      return SZ_ERROR_UNSUPPORTED;
+    folder->PackStreams[0] = i;
+  }
+  else
+    for (i = 0; i < numPackStreams; i++)
+    {
+      RINOK(SzReadNumber32(sd, folder->PackStreams + i));
+    }
+  return SZ_OK;
+}
+
+static SRes SzReadUnpackInfo(
+    CSzData *sd,
+    UInt32 *numFolders,
+    CSzFolder **folders,  /* for alloc */
+    ISzAlloc *alloc,
+    ISzAlloc *allocTemp)
+{
+  UInt32 i;
+  RINOK(SzWaitAttribute(sd, k7zIdFolder));
+  RINOK(SzReadNumber32(sd, numFolders));
+  {
+    RINOK(SzReadSwitch(sd));
+
+    MY_ALLOC(CSzFolder, *folders, (size_t)*numFolders, alloc);
+
+    for (i = 0; i < *numFolders; i++)
+      SzFolder_Init((*folders) + i);
+
+    for (i = 0; i < *numFolders; i++)
+    {
+      RINOK(SzGetNextFolderItem(sd, (*folders) + i, alloc));
+    }
+  }
+
+  RINOK(SzWaitAttribute(sd, k7zIdCodersUnpackSize));
+
+  for (i = 0; i < *numFolders; i++)
+  {
+    UInt32 j;
+    CSzFolder *folder = (*folders) + i;
+    UInt32 numOutStreams = SzFolder_GetNumOutStreams(folder);
+
+    MY_ALLOC(UInt64, folder->UnpackSizes, (size_t)numOutStreams, alloc);
+
+    for (j = 0; j < numOutStreams; j++)
+    {
+      RINOK(SzReadNumber(sd, folder->UnpackSizes + j));
+    }
+  }
+
+  for (;;)
+  {
+    UInt64 type;
+    RINOK(SzReadID(sd, &type));
+    if (type == k7zIdEnd)
+      return SZ_OK;
+    if (type == k7zIdCRC)
+    {
+      SRes res;
+      Byte *crcsDefined = 0;
+      UInt32 *crcs = 0;
+      res = SzReadHashDigests(sd, *numFolders, &crcsDefined, &crcs, allocTemp);
+      if (res == SZ_OK)
+      {
+        for (i = 0; i < *numFolders; i++)
+        {
+          CSzFolder *folder = (*folders) + i;
+          folder->UnpackCRCDefined = crcsDefined[i];
+          folder->UnpackCRC = crcs[i];
+        }
+      }
+      IAlloc_Free(allocTemp, crcs);
+      IAlloc_Free(allocTemp, crcsDefined);
+      RINOK(res);
+      continue;
+    }
+    RINOK(SzSkeepData(sd));
+  }
+}
+
+static SRes SzReadSubStreamsInfo(
+    CSzData *sd,
+    UInt32 numFolders,
+    CSzFolder *folders,
+    UInt32 *numUnpackStreams,
+    UInt64 **unpackSizes,
+    Byte **digestsDefined,
+    UInt32 **digests,
+    ISzAlloc *allocTemp)
+{
+  UInt64 type = 0;
+  UInt32 i;
+  UInt32 si = 0;
+  UInt32 numDigests = 0;
+
+  for (i = 0; i < numFolders; i++)
+    folders[i].NumUnpackStreams = 1;
+  *numUnpackStreams = numFolders;
+
+  for (;;)
+  {
+    RINOK(SzReadID(sd, &type));
+    if (type == k7zIdNumUnpackStream)
+    {
+      *numUnpackStreams = 0;
+      for (i = 0; i < numFolders; i++)
+      {
+        UInt32 numStreams;
+        RINOK(SzReadNumber32(sd, &numStreams));
+        folders[i].NumUnpackStreams = numStreams;
+        *numUnpackStreams += numStreams;
+      }
+      continue;
+    }
+    if (type == k7zIdCRC || type == k7zIdSize)
+      break;
+    if (type == k7zIdEnd)
+      break;
+    RINOK(SzSkeepData(sd));
+  }
+
+  if (*numUnpackStreams == 0)
+  {
+    *unpackSizes = 0;
+    *digestsDefined = 0;
+    *digests = 0;
+  }
+  else
+  {
+    *unpackSizes = (UInt64 *)IAlloc_Alloc(allocTemp, (size_t)*numUnpackStreams * sizeof(UInt64));
+    RINOM(*unpackSizes);
+    *digestsDefined = (Byte *)IAlloc_Alloc(allocTemp, (size_t)*numUnpackStreams * sizeof(Byte));
+    RINOM(*digestsDefined);
+    *digests = (UInt32 *)IAlloc_Alloc(allocTemp, (size_t)*numUnpackStreams * sizeof(UInt32));
+    RINOM(*digests);
+  }
+
+  for (i = 0; i < numFolders; i++)
+  {
+    /*
+    v3.13 incorrectly worked with empty folders
+    v4.07: we check that folder is empty
+    */
+    UInt64 sum = 0;
+    UInt32 j;
+    UInt32 numSubstreams = folders[i].NumUnpackStreams;
+    if (numSubstreams == 0)
+      continue;
+    if (type == k7zIdSize)
+    for (j = 1; j < numSubstreams; j++)
+    {
+      UInt64 size;
+      RINOK(SzReadNumber(sd, &size));
+      (*unpackSizes)[si++] = size;
+      sum += size;
+    }
+    (*unpackSizes)[si++] = SzFolder_GetUnpackSize(folders + i) - sum;
+  }
+  if (type == k7zIdSize)
+  {
+    RINOK(SzReadID(sd, &type));
+  }
+
+  for (i = 0; i < *numUnpackStreams; i++)
+  {
+    (*digestsDefined)[i] = 0;
+    (*digests)[i] = 0;
+  }
+
+
+  for (i = 0; i < numFolders; i++)
+  {
+    UInt32 numSubstreams = folders[i].NumUnpackStreams;
+    if (numSubstreams != 1 || !folders[i].UnpackCRCDefined)
+      numDigests += numSubstreams;
+  }
+
+ 
+  si = 0;
+  for (;;)
+  {
+    if (type == k7zIdCRC)
+    {
+      int digestIndex = 0;
+      Byte *digestsDefined2 = 0;
+      UInt32 *digests2 = 0;
+      SRes res = SzReadHashDigests(sd, numDigests, &digestsDefined2, &digests2, allocTemp);
+      if (res == SZ_OK)
+      {
+        for (i = 0; i < numFolders; i++)
+        {
+          CSzFolder *folder = folders + i;
+          UInt32 numSubstreams = folder->NumUnpackStreams;
+          if (numSubstreams == 1 && folder->UnpackCRCDefined)
+          {
+            (*digestsDefined)[si] = 1;
+            (*digests)[si] = folder->UnpackCRC;
+            si++;
+          }
+          else
+          {
+            UInt32 j;
+            for (j = 0; j < numSubstreams; j++, digestIndex++)
+            {
+              (*digestsDefined)[si] = digestsDefined2[digestIndex];
+              (*digests)[si] = digests2[digestIndex];
+              si++;
+            }
+          }
+        }
+      }
+      IAlloc_Free(allocTemp, digestsDefined2);
+      IAlloc_Free(allocTemp, digests2);
+      RINOK(res);
+    }
+    else if (type == k7zIdEnd)
+      return SZ_OK;
+    else
+    {
+      RINOK(SzSkeepData(sd));
+    }
+    RINOK(SzReadID(sd, &type));
+  }
+}
+
+
+static SRes SzReadStreamsInfo(
+    CSzData *sd,
+    UInt64 *dataOffset,
+    CSzAr *p,
+    UInt32 *numUnpackStreams,
+    UInt64 **unpackSizes, /* allocTemp */
+    Byte **digestsDefined,   /* allocTemp */
+    UInt32 **digests,        /* allocTemp */
+    ISzAlloc *alloc,
+    ISzAlloc *allocTemp)
+{
+  for (;;)
+  {
+    UInt64 type;
+    RINOK(SzReadID(sd, &type));
+    if ((UInt64)(int)type != type)
+      return SZ_ERROR_UNSUPPORTED;
+    switch((int)type)
+    {
+      case k7zIdEnd:
+        return SZ_OK;
+      case k7zIdPackInfo:
+      {
+        RINOK(SzReadPackInfo(sd, dataOffset, &p->NumPackStreams,
+            &p->PackSizes, &p->PackCRCsDefined, &p->PackCRCs, alloc));
+        break;
+      }
+      case k7zIdUnpackInfo:
+      {
+        RINOK(SzReadUnpackInfo(sd, &p->NumFolders, &p->Folders, alloc, allocTemp));
+        break;
+      }
+      case k7zIdSubStreamsInfo:
+      {
+        RINOK(SzReadSubStreamsInfo(sd, p->NumFolders, p->Folders,
+            numUnpackStreams, unpackSizes, digestsDefined, digests, allocTemp));
+        break;
+      }
+      default:
+        return SZ_ERROR_UNSUPPORTED;
+    }
+  }
+}
+
+Byte kUtf8Limits[5] = { 0xC0, 0xE0, 0xF0, 0xF8, 0xFC };
+
+static SRes SzReadFileNames(CSzData *sd, UInt32 numFiles, CSzFileItem *files, ISzAlloc *alloc)
+{
+  UInt32 i;
+  for (i = 0; i < numFiles; i++)
+  {
+    UInt32 len = 0;
+    UInt32 pos = 0;
+    CSzFileItem *file = files + i;
+    while (pos + 2 <= sd->Size)
+    {
+      int numAdds;
+      UInt32 value = (UInt32)(sd->Data[pos] | (((UInt32)sd->Data[pos + 1]) << 8));
+      pos += 2;
+      len++;
+      if (value == 0)
+        break;
+      if (value < 0x80)
+        continue;
+      if (value >= 0xD800 && value < 0xE000)
+      {
+        UInt32 c2;
+        if (value >= 0xDC00)
+          return SZ_ERROR_ARCHIVE;
+        if (pos + 2 > sd->Size)
+          return SZ_ERROR_ARCHIVE;
+        c2 = (UInt32)(sd->Data[pos] | (((UInt32)sd->Data[pos + 1]) << 8));
+        pos += 2;
+        if (c2 < 0xDC00 || c2 >= 0xE000)
+          return SZ_ERROR_ARCHIVE;
+        value = ((value - 0xD800) << 10) | (c2 - 0xDC00);
+      }
+      for (numAdds = 1; numAdds < 5; numAdds++)
+        if (value < (((UInt32)1) << (numAdds * 5 + 6)))
+          break;
+      len += numAdds;
+    }
+
+    MY_ALLOC(char, file->Name, (size_t)len, alloc);
+
+    len = 0;
+    while (2 <= sd->Size)
+    {
+      int numAdds;
+      UInt32 value = (UInt32)(sd->Data[0] | (((UInt32)sd->Data[1]) << 8));
+      SzSkeepDataSize(sd, 2);
+      if (value < 0x80)
+      {
+        file->Name[len++] = (char)value;
+        if (value == 0)
+          break;
+        continue;
+      }
+      if (value >= 0xD800 && value < 0xE000)
+      {
+        UInt32 c2 = (UInt32)(sd->Data[0] | (((UInt32)sd->Data[1]) << 8));
+        SzSkeepDataSize(sd, 2);
+        value = ((value - 0xD800) << 10) | (c2 - 0xDC00);
+      }
+      for (numAdds = 1; numAdds < 5; numAdds++)
+        if (value < (((UInt32)1) << (numAdds * 5 + 6)))
+          break;
+      file->Name[len++] = (char)(kUtf8Limits[numAdds - 1] + (value >> (6 * numAdds)));
+      do
+      {
+        numAdds--;
+        file->Name[len++] = (char)(0x80 + ((value >> (6 * numAdds)) & 0x3F));
+      }
+      while (numAdds > 0);
+
+      len += numAdds;
+    }
+  }
+  return SZ_OK;
+}
+
+static SRes SzReadHeader2(
+    CSzArEx *p,   /* allocMain */
+    CSzData *sd,
+    UInt64 **unpackSizes,  /* allocTemp */
+    Byte **digestsDefined,    /* allocTemp */
+    UInt32 **digests,         /* allocTemp */
+    Byte **emptyStreamVector, /* allocTemp */
+    Byte **emptyFileVector,   /* allocTemp */
+    Byte **lwtVector,         /* allocTemp */
+    ISzAlloc *allocMain,
+    ISzAlloc *allocTemp)
+{
+  UInt64 type;
+  UInt32 numUnpackStreams = 0;
+  UInt32 numFiles = 0;
+  CSzFileItem *files = 0;
+  UInt32 numEmptyStreams = 0;
+  UInt32 i;
+
+  RINOK(SzReadID(sd, &type));
+
+  if (type == k7zIdArchiveProperties)
+  {
+    RINOK(SzReadArchiveProperties(sd));
+    RINOK(SzReadID(sd, &type));
+  }
+ 
+ 
+  if (type == k7zIdMainStreamsInfo)
+  {
+    RINOK(SzReadStreamsInfo(sd,
+        &p->dataPos,
+        &p->db,
+        &numUnpackStreams,
+        unpackSizes,
+        digestsDefined,
+        digests, allocMain, allocTemp));
+    p->dataPos += p->startPosAfterHeader;
+    RINOK(SzReadID(sd, &type));
+  }
+
+  if (type == k7zIdEnd)
+    return SZ_OK;
+  if (type != k7zIdFilesInfo)
+    return SZ_ERROR_ARCHIVE;
+  
+  RINOK(SzReadNumber32(sd, &numFiles));
+  p->db.NumFiles = numFiles;
+
+  MY_ALLOC(CSzFileItem, files, (size_t)numFiles, allocMain);
+
+  p->db.Files = files;
+  for (i = 0; i < numFiles; i++)
+    SzFile_Init(files + i);
+
+  for (;;)
+  {
+    UInt64 type;
+    UInt64 size;
+    RINOK(SzReadID(sd, &type));
+    if (type == k7zIdEnd)
+      break;
+    RINOK(SzReadNumber(sd, &size));
+
+    if ((UInt64)(int)type != type)
+    {
+      RINOK(SzSkeepDataSize(sd, size));
+    }
+    else
+    switch((int)type)
+    {
+      case k7zIdName:
+      {
+        RINOK(SzReadSwitch(sd));
+        RINOK(SzReadFileNames(sd, numFiles, files, allocMain))
+        break;
+      }
+      case k7zIdEmptyStream:
+      {
+        RINOK(SzReadBoolVector(sd, numFiles, emptyStreamVector, allocTemp));
+        numEmptyStreams = 0;
+        for (i = 0; i < numFiles; i++)
+          if ((*emptyStreamVector)[i])
+            numEmptyStreams++;
+        break;
+      }
+      case k7zIdEmptyFile:
+      {
+        RINOK(SzReadBoolVector(sd, numEmptyStreams, emptyFileVector, allocTemp));
+        break;
+      }
+      case k7zIdMTime:
+      {
+        RINOK(SzReadBoolVector2(sd, numFiles, lwtVector, allocTemp));
+        RINOK(SzReadSwitch(sd));
+        for (i = 0; i < numFiles; i++)
+        {
+          CSzFileItem *f = &files[i];
+          Byte defined = (*lwtVector)[i];
+          f->MTimeDefined = defined;
+          f->MTime.Low = f->MTime.High = 0;
+          if (defined)
+          {
+            RINOK(SzReadUInt32(sd, &f->MTime.Low));
+            RINOK(SzReadUInt32(sd, &f->MTime.High));
+          }
+        }
+        break;
+      }
+      default:
+      {
+        RINOK(SzSkeepDataSize(sd, size));
+      }
+    }
+  }
+
+  {
+    UInt32 emptyFileIndex = 0;
+    UInt32 sizeIndex = 0;
+    for (i = 0; i < numFiles; i++)
+    {
+      CSzFileItem *file = files + i;
+      file->IsAnti = 0;
+      if (*emptyStreamVector == 0)
+        file->HasStream = 1;
+      else
+        file->HasStream = (Byte)((*emptyStreamVector)[i] ? 0 : 1);
+      if (file->HasStream)
+      {
+        file->IsDir = 0;
+        file->Size = (*unpackSizes)[sizeIndex];
+        file->FileCRC = (*digests)[sizeIndex];
+        file->FileCRCDefined = (Byte)(*digestsDefined)[sizeIndex];
+        sizeIndex++;
+      }
+      else
+      {
+        if (*emptyFileVector == 0)
+          file->IsDir = 1;
+        else
+          file->IsDir = (Byte)((*emptyFileVector)[emptyFileIndex] ? 0 : 1);
+        emptyFileIndex++;
+        file->Size = 0;
+        file->FileCRCDefined = 0;
+      }
+    }
+  }
+  return SzArEx_Fill(p, allocMain);
+}
+
+static SRes SzReadHeader(
+    CSzArEx *p,
+    CSzData *sd,
+    ISzAlloc *allocMain,
+    ISzAlloc *allocTemp)
+{
+  UInt64 *unpackSizes = 0;
+  Byte *digestsDefined = 0;
+  UInt32 *digests = 0;
+  Byte *emptyStreamVector = 0;
+  Byte *emptyFileVector = 0;
+  Byte *lwtVector = 0;
+  SRes res = SzReadHeader2(p, sd,
+      &unpackSizes, &digestsDefined, &digests,
+      &emptyStreamVector, &emptyFileVector, &lwtVector,
+      allocMain, allocTemp);
+  IAlloc_Free(allocTemp, unpackSizes);
+  IAlloc_Free(allocTemp, digestsDefined);
+  IAlloc_Free(allocTemp, digests);
+  IAlloc_Free(allocTemp, emptyStreamVector);
+  IAlloc_Free(allocTemp, emptyFileVector);
+  IAlloc_Free(allocTemp, lwtVector);
+  return res;
+}
+
+static SRes SzReadAndDecodePackedStreams2(
+    ILookInStream *inStream,
+    CSzData *sd,
+    CBuf *outBuffer,
+    UInt64 baseOffset,
+    CSzAr *p,
+    UInt64 **unpackSizes,
+    Byte **digestsDefined,
+    UInt32 **digests,
+    ISzAlloc *allocTemp)
+{
+
+  UInt32 numUnpackStreams = 0;
+  UInt64 dataStartPos;
+  CSzFolder *folder;
+  UInt64 unpackSize;
+  SRes res;
+
+  RINOK(SzReadStreamsInfo(sd, &dataStartPos, p,
+      &numUnpackStreams,  unpackSizes, digestsDefined, digests,
+      allocTemp, allocTemp));
+  
+  dataStartPos += baseOffset;
+  if (p->NumFolders != 1)
+    return SZ_ERROR_ARCHIVE;
+
+  folder = p->Folders;
+  unpackSize = SzFolder_GetUnpackSize(folder);
+  
+  RINOK(LookInStream_SeekTo(inStream, dataStartPos));
+
+  if (!Buf_Create(outBuffer, (size_t)unpackSize, allocTemp))
+    return SZ_ERROR_MEM;
+  
+  res = SzDecode(p->PackSizes, folder,
+          inStream, dataStartPos,
+          outBuffer->data, (size_t)unpackSize, allocTemp);
+  RINOK(res);
+  if (folder->UnpackCRCDefined)
+    if (CrcCalc(outBuffer->data, (size_t)unpackSize) != folder->UnpackCRC)
+      return SZ_ERROR_CRC;
+  return SZ_OK;
+}
+
+static SRes SzReadAndDecodePackedStreams(
+    ILookInStream *inStream,
+    CSzData *sd,
+    CBuf *outBuffer,
+    UInt64 baseOffset,
+    ISzAlloc *allocTemp)
+{
+  CSzAr p;
+  UInt64 *unpackSizes = 0;
+  Byte *digestsDefined = 0;
+  UInt32 *digests = 0;
+  SRes res;
+  SzAr_Init(&p);
+  res = SzReadAndDecodePackedStreams2(inStream, sd, outBuffer, baseOffset,
+    &p, &unpackSizes, &digestsDefined, &digests,
+    allocTemp);
+  SzAr_Free(&p, allocTemp);
+  IAlloc_Free(allocTemp, unpackSizes);
+  IAlloc_Free(allocTemp, digestsDefined);
+  IAlloc_Free(allocTemp, digests);
+  return res;
+}
+
+static SRes SzArEx_Open2(
+    CSzArEx *p,
+    ILookInStream *inStream,
+    ISzAlloc *allocMain,
+    ISzAlloc *allocTemp)
+{
+  Byte header[k7zStartHeaderSize];
+  UInt64 nextHeaderOffset, nextHeaderSize;
+  size_t nextHeaderSizeT;
+  UInt32 nextHeaderCRC;
+  CBuf buffer;
+  SRes res;
+
+  RINOK(LookInStream_Read2(inStream, header, k7zStartHeaderSize, SZ_ERROR_NO_ARCHIVE));
+
+  if (!TestSignatureCandidate(header))
+    return SZ_ERROR_NO_ARCHIVE;
+  if (header[6] != k7zMajorVersion)
+    return SZ_ERROR_UNSUPPORTED;
+
+  nextHeaderOffset = GetUi64(header + 12);
+  nextHeaderSize = GetUi64(header + 20);
+  nextHeaderCRC = GetUi32(header + 28);
+
+  p->startPosAfterHeader = k7zStartHeaderSize;
+  
+  if (CrcCalc(header + 12, 20) != GetUi32(header + 8))
+    return SZ_ERROR_CRC;
+
+  nextHeaderSizeT = (size_t)nextHeaderSize;
+  if (nextHeaderSizeT != nextHeaderSize)
+    return SZ_ERROR_MEM;
+  if (nextHeaderSizeT == 0)
+    return SZ_OK;
+  if (nextHeaderOffset > nextHeaderOffset + nextHeaderSize ||
+      nextHeaderOffset > nextHeaderOffset + nextHeaderSize + k7zStartHeaderSize)
+    return SZ_ERROR_NO_ARCHIVE;
+
+  {
+    Int64 pos = 0;
+    RINOK(inStream->Seek(inStream, &pos, SZ_SEEK_END));
+    if ((UInt64)pos < nextHeaderOffset ||
+        (UInt64)pos < k7zStartHeaderSize + nextHeaderOffset ||
+        (UInt64)pos < k7zStartHeaderSize + nextHeaderOffset + nextHeaderSize)
+      return SZ_ERROR_INPUT_EOF;
+  }
+
+  RINOK(LookInStream_SeekTo(inStream, k7zStartHeaderSize + nextHeaderOffset));
+
+  if (!Buf_Create(&buffer, nextHeaderSizeT, allocTemp))
+    return SZ_ERROR_MEM;
+
+  res = LookInStream_Read(inStream, buffer.data, nextHeaderSizeT);
+  if (res == SZ_OK)
+  {
+    res = SZ_ERROR_ARCHIVE;
+    if (CrcCalc(buffer.data, nextHeaderSizeT) == nextHeaderCRC)
+    {
+      CSzData sd;
+      UInt64 type;
+      sd.Data = buffer.data;
+      sd.Size = buffer.size;
+      res = SzReadID(&sd, &type);
+      if (res == SZ_OK)
+      {
+        if (type == k7zIdEncodedHeader)
+        {
+          CBuf outBuffer;
+          Buf_Init(&outBuffer);
+          res = SzReadAndDecodePackedStreams(inStream, &sd, &outBuffer, p->startPosAfterHeader, allocTemp);
+          if (res != SZ_OK)
+            Buf_Free(&outBuffer, allocTemp);
+          else
+          {
+            Buf_Free(&buffer, allocTemp);
+            buffer.data = outBuffer.data;
+            buffer.size = outBuffer.size;
+            sd.Data = buffer.data;
+            sd.Size = buffer.size;
+            res = SzReadID(&sd, &type);
+          }
+        }
+      }
+      if (res == SZ_OK)
+      {
+        if (type == k7zIdHeader)
+          res = SzReadHeader(p, &sd, allocMain, allocTemp);
+        else
+          res = SZ_ERROR_UNSUPPORTED;
+      }
+    }
+  }
+  Buf_Free(&buffer, allocTemp);
+  return res;
+}
+
+SRes SzArEx_Open(CSzArEx *p, ILookInStream *inStream, ISzAlloc *allocMain, ISzAlloc *allocTemp)
+{
+  SRes res = SzArEx_Open2(p, inStream, allocMain, allocTemp);
+  if (res != SZ_OK)
+    SzArEx_Free(p, allocMain);
+  return res;
+}
diff --git a/libclamav/7z/Archive/7z/7zIn.h b/libclamav/7z/Archive/7z/7zIn.h
new file mode 100644
index 000000000..717fe52c9
--- /dev/null
+++ b/libclamav/7z/Archive/7z/7zIn.h
@@ -0,0 +1,41 @@
+/* 7zIn.h -- 7z Input functions
+2008-11-23 : Igor Pavlov : Public domain */
+
+#ifndef __7Z_IN_H
+#define __7Z_IN_H
+
+#include "7zHeader.h"
+#include "7zItem.h"
+
+typedef struct
+{
+  CSzAr db;
+  
+  UInt64 startPosAfterHeader;
+  UInt64 dataPos;
+
+  UInt32 *FolderStartPackStreamIndex;
+  UInt64 *PackStreamStartPositions;
+  UInt32 *FolderStartFileIndex;
+  UInt32 *FileIndexToFolderIndexMap;
+} CSzArEx;
+
+void SzArEx_Init(CSzArEx *p);
+void SzArEx_Free(CSzArEx *p, ISzAlloc *alloc);
+UInt64 SzArEx_GetFolderStreamPos(const CSzArEx *p, UInt32 folderIndex, UInt32 indexInFolder);
+int SzArEx_GetFolderFullPackSize(const CSzArEx *p, UInt32 folderIndex, UInt64 *resSize);
+
+/*
+Errors:
+SZ_ERROR_NO_ARCHIVE
+SZ_ERROR_ARCHIVE
+SZ_ERROR_UNSUPPORTED
+SZ_ERROR_MEM
+SZ_ERROR_CRC
+SZ_ERROR_INPUT_EOF
+SZ_ERROR_FAIL
+*/
+
+SRes SzArEx_Open(CSzArEx *p, ILookInStream *inStream, ISzAlloc *allocMain, ISzAlloc *allocTemp);
+ 
+#endif
diff --git a/libclamav/7z/Archive/7z/7zItem.c b/libclamav/7z/Archive/7z/7zItem.c
new file mode 100644
index 000000000..a11d5008f
--- /dev/null
+++ b/libclamav/7z/Archive/7z/7zItem.c
@@ -0,0 +1,127 @@
+/* 7zItem.c -- 7z Items
+2008-10-04 : Igor Pavlov : Public domain */
+
+#include "7zItem.h"
+
+void SzCoderInfo_Init(CSzCoderInfo *p)
+{
+  Buf_Init(&p->Props);
+}
+
+void SzCoderInfo_Free(CSzCoderInfo *p, ISzAlloc *alloc)
+{
+  Buf_Free(&p->Props, alloc);
+  SzCoderInfo_Init(p);
+}
+
+void SzFolder_Init(CSzFolder *p)
+{
+  p->Coders = 0;
+  p->BindPairs = 0;
+  p->PackStreams = 0;
+  p->UnpackSizes = 0;
+  p->NumCoders = 0;
+  p->NumBindPairs = 0;
+  p->NumPackStreams = 0;
+  p->UnpackCRCDefined = 0;
+  p->UnpackCRC = 0;
+  p->NumUnpackStreams = 0;
+}
+
+void SzFolder_Free(CSzFolder *p, ISzAlloc *alloc)
+{
+  UInt32 i;
+  if (p->Coders)
+    for (i = 0; i < p->NumCoders; i++)
+      SzCoderInfo_Free(&p->Coders[i], alloc);
+  IAlloc_Free(alloc, p->Coders);
+  IAlloc_Free(alloc, p->BindPairs);
+  IAlloc_Free(alloc, p->PackStreams);
+  IAlloc_Free(alloc, p->UnpackSizes);
+  SzFolder_Init(p);
+}
+
+UInt32 SzFolder_GetNumOutStreams(CSzFolder *p)
+{
+  UInt32 result = 0;
+  UInt32 i;
+  for (i = 0; i < p->NumCoders; i++)
+    result += p->Coders[i].NumOutStreams;
+  return result;
+}
+
+int SzFolder_FindBindPairForInStream(CSzFolder *p, UInt32 inStreamIndex)
+{
+  UInt32 i;
+  for (i = 0; i < p->NumBindPairs; i++)
+    if (p->BindPairs[i].InIndex == inStreamIndex)
+      return i;
+  return -1;
+}
+
+
+int SzFolder_FindBindPairForOutStream(CSzFolder *p, UInt32 outStreamIndex)
+{
+  UInt32 i;
+  for (i = 0; i < p->NumBindPairs; i++)
+    if (p->BindPairs[i].OutIndex == outStreamIndex)
+      return i;
+  return -1;
+}
+
+UInt64 SzFolder_GetUnpackSize(CSzFolder *p)
+{
+  int i = (int)SzFolder_GetNumOutStreams(p);
+  if (i == 0)
+    return 0;
+  for (i--; i >= 0; i--)
+    if (SzFolder_FindBindPairForOutStream(p, i) < 0)
+      return p->UnpackSizes[i];
+  /* throw 1; */
+  return 0;
+}
+
+void SzFile_Init(CSzFileItem *p)
+{
+  p->HasStream = 1;
+  p->IsDir = 0;
+  p->IsAnti = 0;
+  p->FileCRCDefined = 0;
+  p->MTimeDefined = 0;
+  p->Name = 0;
+}
+
+static void SzFile_Free(CSzFileItem *p, ISzAlloc *alloc)
+{
+  IAlloc_Free(alloc, p->Name);
+  SzFile_Init(p);
+}
+
+void SzAr_Init(CSzAr *p)
+{
+  p->PackSizes = 0;
+  p->PackCRCsDefined = 0;
+  p->PackCRCs = 0;
+  p->Folders = 0;
+  p->Files = 0;
+  p->NumPackStreams = 0;
+  p->NumFolders = 0;
+  p->NumFiles = 0;
+}
+
+void SzAr_Free(CSzAr *p, ISzAlloc *alloc)
+{
+  UInt32 i;
+  if (p->Folders)
+    for (i = 0; i < p->NumFolders; i++)
+      SzFolder_Free(&p->Folders[i], alloc);
+  if (p->Files)
+    for (i = 0; i < p->NumFiles; i++)
+      SzFile_Free(&p->Files[i], alloc);
+  IAlloc_Free(alloc, p->PackSizes);
+  IAlloc_Free(alloc, p->PackCRCsDefined);
+  IAlloc_Free(alloc, p->PackCRCs);
+  IAlloc_Free(alloc, p->Folders);
+  IAlloc_Free(alloc, p->Files);
+  SzAr_Init(p);
+}
diff --git a/libclamav/7z/Archive/7z/7zItem.h b/libclamav/7z/Archive/7z/7zItem.h
new file mode 100644
index 000000000..115994546
--- /dev/null
+++ b/libclamav/7z/Archive/7z/7zItem.h
@@ -0,0 +1,84 @@
+/* 7zItem.h -- 7z Items
+2008-10-04 : Igor Pavlov : Public domain */
+
+#ifndef __7Z_ITEM_H
+#define __7Z_ITEM_H
+
+#include "../../7zBuf.h"
+
+typedef struct
+{
+  UInt32 NumInStreams;
+  UInt32 NumOutStreams;
+  UInt64 MethodID;
+  CBuf Props;
+} CSzCoderInfo;
+
+void SzCoderInfo_Init(CSzCoderInfo *p);
+void SzCoderInfo_Free(CSzCoderInfo *p, ISzAlloc *alloc);
+
+typedef struct
+{
+  UInt32 InIndex;
+  UInt32 OutIndex;
+} CBindPair;
+
+typedef struct
+{
+  CSzCoderInfo *Coders;
+  CBindPair *BindPairs;
+  UInt32 *PackStreams;
+  UInt64 *UnpackSizes;
+  UInt32 NumCoders;
+  UInt32 NumBindPairs;
+  UInt32 NumPackStreams;
+  int UnpackCRCDefined;
+  UInt32 UnpackCRC;
+
+  UInt32 NumUnpackStreams;
+} CSzFolder;
+
+void SzFolder_Init(CSzFolder *p);
+UInt64 SzFolder_GetUnpackSize(CSzFolder *p);
+int SzFolder_FindBindPairForInStream(CSzFolder *p, UInt32 inStreamIndex);
+UInt32 SzFolder_GetNumOutStreams(CSzFolder *p);
+UInt64 SzFolder_GetUnpackSize(CSzFolder *p);
+
+typedef struct
+{
+  UInt32 Low;
+  UInt32 High;
+} CNtfsFileTime;
+
+typedef struct
+{
+  CNtfsFileTime MTime;
+  UInt64 Size;
+  char *Name;
+  UInt32 FileCRC;
+
+  Byte HasStream;
+  Byte IsDir;
+  Byte IsAnti;
+  Byte FileCRCDefined;
+  Byte MTimeDefined;
+} CSzFileItem;
+
+void SzFile_Init(CSzFileItem *p);
+
+typedef struct
+{
+  UInt64 *PackSizes;
+  Byte *PackCRCsDefined;
+  UInt32 *PackCRCs;
+  CSzFolder *Folders;
+  CSzFileItem *Files;
+  UInt32 NumPackStreams;
+  UInt32 NumFolders;
+  UInt32 NumFiles;
+} CSzAr;
+
+void SzAr_Init(CSzAr *p);
+void SzAr_Free(CSzAr *p, ISzAlloc *alloc);
+
+#endif
diff --git a/libclamav/7z/Bcj2.c b/libclamav/7z/Bcj2.c
new file mode 100644
index 000000000..474bdd45d
--- /dev/null
+++ b/libclamav/7z/Bcj2.c
@@ -0,0 +1,132 @@
+/* Bcj2.c -- Converter for x86 code (BCJ2)
+2008-10-04 : Igor Pavlov : Public domain */
+
+#include "Bcj2.h"
+
+#ifdef _LZMA_PROB32
+#define CProb UInt32
+#else
+#define CProb UInt16
+#endif
+
+#define IsJcc(b0, b1) ((b0) == 0x0F && ((b1) & 0xF0) == 0x80)
+#define IsJ(b0, b1) ((b1 & 0xFE) == 0xE8 || IsJcc(b0, b1))
+
+#define kNumTopBits 24
+#define kTopValue ((UInt32)1 << kNumTopBits)
+
+#define kNumBitModelTotalBits 11
+#define kBitModelTotal (1 << kNumBitModelTotalBits)
+#define kNumMoveBits 5
+
+#define RC_READ_BYTE (*buffer++)
+#define RC_TEST { if (buffer == bufferLim) return SZ_ERROR_DATA; }
+#define RC_INIT2 code = 0; range = 0xFFFFFFFF; \
+  { int i; for (i = 0; i < 5; i++) { RC_TEST; code = (code << 8) | RC_READ_BYTE; }}
+
+#define NORMALIZE if (range < kTopValue) { RC_TEST; range <<= 8; code = (code << 8) | RC_READ_BYTE; }
+
+#define IF_BIT_0(p) ttt = *(p); bound = (range >> kNumBitModelTotalBits) * ttt; if (code < bound)
+#define UPDATE_0(p) range = bound; *(p) = (CProb)(ttt + ((kBitModelTotal - ttt) >> kNumMoveBits)); NORMALIZE;
+#define UPDATE_1(p) range -= bound; code -= bound; *(p) = (CProb)(ttt - (ttt >> kNumMoveBits)); NORMALIZE;
+
+int Bcj2_Decode(
+    const Byte *buf0, SizeT size0,
+    const Byte *buf1, SizeT size1,
+    const Byte *buf2, SizeT size2,
+    const Byte *buf3, SizeT size3,
+    Byte *outBuf, SizeT outSize)
+{
+  CProb p[256 + 2];
+  SizeT inPos = 0, outPos = 0;
+
+  const Byte *buffer, *bufferLim;
+  UInt32 range, code;
+  Byte prevByte = 0;
+
+  unsigned int i;
+  for (i = 0; i < sizeof(p) / sizeof(p[0]); i++)
+    p[i] = kBitModelTotal >> 1;
+
+  buffer = buf3;
+  bufferLim = buffer + size3;
+  RC_INIT2
+
+  if (outSize == 0)
+    return SZ_OK;
+
+  for (;;)
+  {
+    Byte b;
+    CProb *prob;
+    UInt32 bound;
+    UInt32 ttt;
+
+    SizeT limit = size0 - inPos;
+    if (outSize - outPos < limit)
+      limit = outSize - outPos;
+    while (limit != 0)
+    {
+      Byte b = buf0[inPos];
+      outBuf[outPos++] = b;
+      if (IsJ(prevByte, b))
+        break;
+      inPos++;
+      prevByte = b;
+      limit--;
+    }
+
+    if (limit == 0 || outPos == outSize)
+      break;
+
+    b = buf0[inPos++];
+
+    if (b == 0xE8)
+      prob = p + prevByte;
+    else if (b == 0xE9)
+      prob = p + 256;
+    else
+      prob = p + 257;
+
+    IF_BIT_0(prob)
+    {
+      UPDATE_0(prob)
+      prevByte = b;
+    }
+    else
+    {
+      UInt32 dest;
+      const Byte *v;
+      UPDATE_1(prob)
+      if (b == 0xE8)
+      {
+        v = buf1;
+        if (size1 < 4)
+          return SZ_ERROR_DATA;
+        buf1 += 4;
+        size1 -= 4;
+      }
+      else
+      {
+        v = buf2;
+        if (size2 < 4)
+          return SZ_ERROR_DATA;
+        buf2 += 4;
+        size2 -= 4;
+      }
+      dest = (((UInt32)v[0] << 24) | ((UInt32)v[1] << 16) |
+          ((UInt32)v[2] << 8) | ((UInt32)v[3])) - ((UInt32)outPos + 4);
+      outBuf[outPos++] = (Byte)dest;
+      if (outPos == outSize)
+        break;
+      outBuf[outPos++] = (Byte)(dest >> 8);
+      if (outPos == outSize)
+        break;
+      outBuf[outPos++] = (Byte)(dest >> 16);
+      if (outPos == outSize)
+        break;
+      outBuf[outPos++] = prevByte = (Byte)(dest >> 24);
+    }
+  }
+  return (outPos == outSize) ? SZ_OK : SZ_ERROR_DATA;
+}
diff --git a/libclamav/7z/Bcj2.h b/libclamav/7z/Bcj2.h
new file mode 100644
index 000000000..f58e3bcb4
--- /dev/null
+++ b/libclamav/7z/Bcj2.h
@@ -0,0 +1,30 @@
+/* Bcj2.h -- Converter for x86 code (BCJ2)
+2008-10-04 : Igor Pavlov : Public domain */
+
+#ifndef __BCJ2_H
+#define __BCJ2_H
+
+#include "Types.h"
+
+/*
+Conditions:
+  outSize <= FullOutputSize,
+  where FullOutputSize is full size of output stream of x86_2 filter.
+
+If buf0 overlaps outBuf, there are two required conditions:
+  1) (buf0 >= outBuf)
+  2) (buf0 + size0 >= outBuf + FullOutputSize).
+
+Returns:
+  SZ_OK
+  SZ_ERROR_DATA - Data error
+*/
+
+int Bcj2_Decode(
+    const Byte *buf0, SizeT size0,
+    const Byte *buf1, SizeT size1,
+    const Byte *buf2, SizeT size2,
+    const Byte *buf3, SizeT size3,
+    Byte *outBuf, SizeT outSize);
+
+#endif
diff --git a/libclamav/7z/Bra.c b/libclamav/7z/Bra.c
new file mode 100644
index 000000000..3b75f0ccb
--- /dev/null
+++ b/libclamav/7z/Bra.c
@@ -0,0 +1,133 @@
+/* Bra.c -- Converters for RISC code
+2008-10-04 : Igor Pavlov : Public domain */
+
+#include "Bra.h"
+
+SizeT ARM_Convert(Byte *data, SizeT size, UInt32 ip, int encoding)
+{
+  SizeT i;
+  if (size < 4)
+    return 0;
+  size -= 4;
+  ip += 8;
+  for (i = 0; i <= size; i += 4)
+  {
+    if (data[i + 3] == 0xEB)
+    {
+      UInt32 dest;
+      UInt32 src = ((UInt32)data[i + 2] << 16) | ((UInt32)data[i + 1] << 8) | (data[i + 0]);
+      src <<= 2;
+      if (encoding)
+        dest = ip + (UInt32)i + src;
+      else
+        dest = src - (ip + (UInt32)i);
+      dest >>= 2;
+      data[i + 2] = (Byte)(dest >> 16);
+      data[i + 1] = (Byte)(dest >> 8);
+      data[i + 0] = (Byte)dest;
+    }
+  }
+  return i;
+}
+
+SizeT ARMT_Convert(Byte *data, SizeT size, UInt32 ip, int encoding)
+{
+  SizeT i;
+  if (size < 4)
+    return 0;
+  size -= 4;
+  ip += 4;
+  for (i = 0; i <= size; i += 2)
+  {
+    if ((data[i + 1] & 0xF8) == 0xF0 &&
+        (data[i + 3] & 0xF8) == 0xF8)
+    {
+      UInt32 dest;
+      UInt32 src =
+        (((UInt32)data[i + 1] & 0x7) << 19) |
+        ((UInt32)data[i + 0] << 11) |
+        (((UInt32)data[i + 3] & 0x7) << 8) |
+        (data[i + 2]);
+      
+      src <<= 1;
+      if (encoding)
+        dest = ip + (UInt32)i + src;
+      else
+        dest = src - (ip + (UInt32)i);
+      dest >>= 1;
+      
+      data[i + 1] = (Byte)(0xF0 | ((dest >> 19) & 0x7));
+      data[i + 0] = (Byte)(dest >> 11);
+      data[i + 3] = (Byte)(0xF8 | ((dest >> 8) & 0x7));
+      data[i + 2] = (Byte)dest;
+      i += 2;
+    }
+  }
+  return i;
+}
+
+SizeT PPC_Convert(Byte *data, SizeT size, UInt32 ip, int encoding)
+{
+  SizeT i;
+  if (size < 4)
+    return 0;
+  size -= 4;
+  for (i = 0; i <= size; i += 4)
+  {
+    if ((data[i] >> 2) == 0x12 && (data[i + 3] & 3) == 1)
+    {
+      UInt32 src = ((UInt32)(data[i + 0] & 3) << 24) |
+        ((UInt32)data[i + 1] << 16) |
+        ((UInt32)data[i + 2] << 8) |
+        ((UInt32)data[i + 3] & (~3));
+      
+      UInt32 dest;
+      if (encoding)
+        dest = ip + (UInt32)i + src;
+      else
+        dest = src - (ip + (UInt32)i);
+      data[i + 0] = (Byte)(0x48 | ((dest >> 24) &  0x3));
+      data[i + 1] = (Byte)(dest >> 16);
+      data[i + 2] = (Byte)(dest >> 8);
+      data[i + 3] &= 0x3;
+      data[i + 3] |= dest;
+    }
+  }
+  return i;
+}
+
+SizeT SPARC_Convert(Byte *data, SizeT size, UInt32 ip, int encoding)
+{
+  UInt32 i;
+  if (size < 4)
+    return 0;
+  size -= 4;
+  for (i = 0; i <= size; i += 4)
+  {
+    if (data[i] == 0x40 && (data[i + 1] & 0xC0) == 0x00 ||
+        data[i] == 0x7F && (data[i + 1] & 0xC0) == 0xC0)
+    {
+      UInt32 src =
+        ((UInt32)data[i + 0] << 24) |
+        ((UInt32)data[i + 1] << 16) |
+        ((UInt32)data[i + 2] << 8) |
+        ((UInt32)data[i + 3]);
+      UInt32 dest;
+      
+      src <<= 2;
+      if (encoding)
+        dest = ip + i + src;
+      else
+        dest = src - (ip + i);
+      dest >>= 2;
+      
+      dest = (((0 - ((dest >> 22) & 1)) << 22) & 0x3FFFFFFF) | (dest & 0x3FFFFF) | 0x40000000;
+
+      data[i + 0] = (Byte)(dest >> 24);
+      data[i + 1] = (Byte)(dest >> 16);
+      data[i + 2] = (Byte)(dest >> 8);
+      data[i + 3] = (Byte)dest;
+    }
+  }
+  return i;
+}
diff --git a/libclamav/7z/Bra.h b/libclamav/7z/Bra.h
new file mode 100644
index 000000000..b9018eb99
--- /dev/null
+++ b/libclamav/7z/Bra.h
@@ -0,0 +1,60 @@
+/* Bra.h -- Branch converters for executables
+2008-10-04 : Igor Pavlov : Public domain */
+
+#ifndef __BRA_H
+#define __BRA_H
+
+#include "Types.h"
+
+/*
+These functions convert relative addresses to absolute addresses
+in CALL instructions to increase the compression ratio.
+  
+  In:
+    data     - data buffer
+    size     - size of data
+    ip       - current virtual Instruction Pinter (IP) value
+    state    - state variable for x86 converter
+    encoding - 0 (for decoding), 1 (for encoding)
+  
+  Out:
+    state    - state variable for x86 converter
+
+  Returns:
+    The number of processed bytes. If you call these functions with multiple calls,
+    you must start next call with first byte after block of processed bytes.
+  
+  Type   Endian  Alignment  LookAhead
+  
+  x86    little      1          4
+  ARMT   little      2          2
+  ARM    little      4          0
+  PPC     big        4          0
+  SPARC   big        4          0
+  IA64   little     16          0
+
+  size must be >= Alignment + LookAhead, if it's not last block.
+  If (size < Alignment + LookAhead), converter returns 0.
+
+  Example:
+
+    UInt32 ip = 0;
+    for ()
+    {
+      ; size must be >= Alignment + LookAhead, if it's not last block
+      SizeT processed = Convert(data, size, ip, 1);
+      data += processed;
+      size -= processed;
+      ip += processed;
+    }
+*/
+
+#define x86_Convert_Init(state) { state = 0; }
+SizeT x86_Convert(Byte *data, SizeT size, UInt32 ip, UInt32 *state, int encoding);
+SizeT ARM_Convert(Byte *data, SizeT size, UInt32 ip, int encoding);
+SizeT ARMT_Convert(Byte *data, SizeT size, UInt32 ip, int encoding);
+SizeT PPC_Convert(Byte *data, SizeT size, UInt32 ip, int encoding);
+SizeT SPARC_Convert(Byte *data, SizeT size, UInt32 ip, int encoding);
+SizeT IA64_Convert(Byte *data, SizeT size, UInt32 ip, int encoding);
+
+#endif
diff --git a/libclamav/7z/Bra86.c b/libclamav/7z/Bra86.c
new file mode 100644
index 000000000..93566cb21
--- /dev/null
+++ b/libclamav/7z/Bra86.c
@@ -0,0 +1,85 @@
+/* Bra86.c -- Converter for x86 code (BCJ)
+2008-10-04 : Igor Pavlov : Public domain */
+
+#include "Bra.h"
+
+#define Test86MSByte(b) ((b) == 0 || (b) == 0xFF)
+
+const Byte kMaskToAllowedStatus[8] = {1, 1, 1, 0, 1, 0, 0, 0};
+const Byte kMaskToBitNumber[8] = {0, 1, 2, 2, 3, 3, 3, 3};
+
+SizeT x86_Convert(Byte *data, SizeT size, UInt32 ip, UInt32 *state, int encoding)
+{
+  SizeT bufferPos = 0, prevPosT;
+  UInt32 prevMask = *state & 0x7;
+  if (size < 5)
+    return 0;
+  ip += 5;
+  prevPosT = (SizeT)0 - 1;
+
+  for (;;)
+  {
+    Byte *p = data + bufferPos;
+    Byte *limit = data + size - 4;
+    for (; p < limit; p++)
+      if ((*p & 0xFE) == 0xE8)
+        break;
+    bufferPos = (SizeT)(p - data);
+    if (p >= limit)
+      break;
+    prevPosT = bufferPos - prevPosT;
+    if (prevPosT > 3)
+      prevMask = 0;
+    else
+    {
+      prevMask = (prevMask << ((int)prevPosT - 1)) & 0x7;
+      if (prevMask != 0)
+      {
+        Byte b = p[4 - kMaskToBitNumber[prevMask]];
+        if (!kMaskToAllowedStatus[prevMask] || Test86MSByte(b))
+        {
+          prevPosT = bufferPos;
+          prevMask = ((prevMask << 1) & 0x7) | 1;
+          bufferPos++;
+          continue;
+        }
+      }
+    }
+    prevPosT = bufferPos;
+
+    if (Test86MSByte(p[4]))
+    {
+      UInt32 src = ((UInt32)p[4] << 24) | ((UInt32)p[3] << 16) | ((UInt32)p[2] << 8) | ((UInt32)p[1]);
+      UInt32 dest;
+      for (;;)
+      {
+        Byte b;
+        int index;
+        if (encoding)
+          dest = (ip + (UInt32)bufferPos) + src;
+        else
+          dest = src - (ip + (UInt32)bufferPos);
+        if (prevMask == 0)
+          break;
+        index = kMaskToBitNumber[prevMask] * 8;
+        b = (Byte)(dest >> (24 - index));
+        if (!Test86MSByte(b))
+          break;
+        src = dest ^ ((1 << (32 - index)) - 1);
+      }
+      p[4] = (Byte)(~(((dest >> 24) & 1) - 1));
+      p[3] = (Byte)(dest >> 16);
+      p[2] = (Byte)(dest >> 8);
+      p[1] = (Byte)dest;
+      bufferPos += 5;
+    }
+    else
+    {
+      prevMask = ((prevMask << 1) & 0x7) | 1;
+      bufferPos++;
+    }
+  }
+  prevPosT = bufferPos - prevPosT;
+  *state = ((prevPosT > 3) ? 0 : ((prevMask << ((int)prevPosT - 1)) & 0x7));
+  return bufferPos;
+}
diff --git a/libclamav/7z/BraIA64.c b/libclamav/7z/BraIA64.c
new file mode 100644
index 000000000..f359f16a3
--- /dev/null
+++ b/libclamav/7z/BraIA64.c
@@ -0,0 +1,67 @@
+/* BraIA64.c -- Converter for IA-64 code
+2008-10-04 : Igor Pavlov : Public domain */
+
+#include "Bra.h"
+
+static const Byte kBranchTable[32] =
+{
+  0, 0, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 0, 0, 0,
+  4, 4, 6, 6, 0, 0, 7, 7,
+  4, 4, 0, 0, 4, 4, 0, 0
+};
+
+SizeT IA64_Convert(Byte *data, SizeT size, UInt32 ip, int encoding)
+{
+  SizeT i;
+  if (size < 16)
+    return 0;
+  size -= 16;
+  for (i = 0; i <= size; i += 16)
+  {
+    UInt32 instrTemplate = data[i] & 0x1F;
+    UInt32 mask = kBranchTable[instrTemplate];
+    UInt32 bitPos = 5;
+    int slot;
+    for (slot = 0; slot < 3; slot++, bitPos += 41)
+    {
+      UInt32 bytePos, bitRes;
+      UInt64 instruction, instNorm;
+      int j;
+      if (((mask >> slot) & 1) == 0)
+        continue;
+      bytePos = (bitPos >> 3);
+      bitRes = bitPos & 0x7;
+      instruction = 0;
+      for (j = 0; j < 6; j++)
+        instruction += (UInt64)data[i + j + bytePos] << (8 * j);
+
+      instNorm = instruction >> bitRes;
+      if (((instNorm >> 37) & 0xF) == 0x5 && ((instNorm >> 9) & 0x7) == 0)
+      {
+        UInt32 src = (UInt32)((instNorm >> 13) & 0xFFFFF);
+        UInt32 dest;
+        src |= ((UInt32)(instNorm >> 36) & 1) << 20;
+        
+        src <<= 4;
+        
+        if (encoding)
+          dest = ip + (UInt32)i + src;
+        else
+          dest = src - (ip + (UInt32)i);
+        
+        dest >>= 4;
+        
+        instNorm &= ~((UInt64)(0x8FFFFF) << 13);
+        instNorm |= ((UInt64)(dest & 0xFFFFF) << 13);
+        instNorm |= ((UInt64)(dest & 0x100000) << (36 - 20));
+        
+        instruction &= (1 << bitRes) - 1;
+        instruction |= (instNorm << bitRes);
+        for (j = 0; j < 6; j++)
+          data[i + j + bytePos] = (Byte)(instruction >> (8 * j));
+      }
+    }
+  }
+  return i;
+}
diff --git a/libclamav/7z/CpuArch.h b/libclamav/7z/CpuArch.h
new file mode 100644
index 000000000..006361f2f
--- /dev/null
+++ b/libclamav/7z/CpuArch.h
@@ -0,0 +1,69 @@
+/* CpuArch.h
+2008-08-05
+Igor Pavlov
+Public domain */
+
+#ifndef __CPUARCH_H
+#define __CPUARCH_H
+
+/*
+LITTLE_ENDIAN_UNALIGN means:
+  1) CPU is LITTLE_ENDIAN
+  2) it's allowed to make unaligned memory accesses
+if LITTLE_ENDIAN_UNALIGN is not defined, it means that we don't know
+about these properties of platform.
+*/
+
+#if defined(_M_IX86) || defined(_M_X64) || defined(_M_AMD64) || defined(__i386__) || defined(__x86_64__)
+#define LITTLE_ENDIAN_UNALIGN
+#endif
+
+#ifdef LITTLE_ENDIAN_UNALIGN
+
+#define GetUi16(p) (*(const UInt16 *)(p))
+#define GetUi32(p) (*(const UInt32 *)(p))
+#define GetUi64(p) (*(const UInt64 *)(p))
+#define SetUi32(p, d) *(UInt32 *)(p) = (d);
+
+#else
+
+#define GetUi16(p) (((const Byte *)(p))[0] | ((UInt16)((const Byte *)(p))[1] << 8))
+
+#define GetUi32(p) ( \
+             ((const Byte *)(p))[0]        | \
+    ((UInt32)((const Byte *)(p))[1] <<  8) | \
+    ((UInt32)((const Byte *)(p))[2] << 16) | \
+    ((UInt32)((const Byte *)(p))[3] << 24))
+
+#define GetUi64(p) (GetUi32(p) | ((UInt64)GetUi32(((const Byte *)(p)) + 4) << 32))
+
+#define SetUi32(p, d) { UInt32 _x_ = (d); \
+    ((Byte *)(p))[0] = (Byte)_x_; \
+    ((Byte *)(p))[1] = (Byte)(_x_ >> 8); \
+    ((Byte *)(p))[2] = (Byte)(_x_ >> 16); \
+    ((Byte *)(p))[3] = (Byte)(_x_ >> 24); }
+
+#endif
+
+#if defined(LITTLE_ENDIAN_UNALIGN) && defined(_WIN64) && (_MSC_VER >= 1300)
+
+#pragma intrinsic(_byteswap_ulong)
+#pragma intrinsic(_byteswap_uint64)
+#define GetBe32(p) _byteswap_ulong(*(const UInt32 *)(const Byte *)(p))
+#define GetBe64(p) _byteswap_uint64(*(const UInt64 *)(const Byte *)(p))
+
+#else
+
+#define GetBe32(p) ( \
+    ((UInt32)((const Byte *)(p))[0] << 24) | \
+    ((UInt32)((const Byte *)(p))[1] << 16) | \
+    ((UInt32)((const Byte *)(p))[2] <<  8) | \
+             ((const Byte *)(p))[3] )
+
+#define GetBe64(p) (((UInt64)GetBe32(p) << 32) | GetBe32(((const Byte *)(p)) + 4))
+
+#endif
+
+#define GetBe16(p) (((UInt16)((const Byte *)(p))[0] << 8) | ((const Byte *)(p))[1])
+
+#endif
diff --git a/libclamav/7z/LzmaDec.c b/libclamav/7z/LzmaDec.c
old mode 100755
new mode 100644
diff --git a/libclamav/7z/LzmaDec.h b/libclamav/7z/LzmaDec.h
old mode 100755
new mode 100644
diff --git a/libclamav/7z/Types.h b/libclamav/7z/Types.h
old mode 100755
new mode 100644
diff --git a/libclamav/Makefile.am b/libclamav/Makefile.am
index fe842b192..f358bb7af 100644
--- a/libclamav/Makefile.am
+++ b/libclamav/Makefile.am
@@ -267,6 +267,32 @@ libclamav_la_SOURCES = \
 	7z/Types.h \
 	lzma_iface.c \
 	lzma_iface.h \
+	7z.c \
+	7z.h \
+	7z/7zFile.c \
+	7z/7zFile.h \
+	7z/7zStream.c \
+	7z/CpuArch.h \
+	7z/7zCrc.c \
+	7z/7zCrc.h \
+	7z/7zBuf.c \
+	7z/7zBuf.h \
+	7z/Bcj2.c \
+	7z/Bcj2.h \
+	7z/Bra.c \
+	7z/Bra.h \
+	7z/Bra86.c \
+	7z/BraIA64.c \
+	7z/Archive/7z/7zIn.c \
+	7z/Archive/7z/7zIn.h \
+	7z/Archive/7z/7zDecode.c \
+	7z/Archive/7z/7zDecode.h \
+	7z/Archive/7z/7zItem.c \
+	7z/Archive/7z/7zItem.h \
+	7z/Archive/7z/7zHeader.c \
+	7z/Archive/7z/7zHeader.h \
+	7z/Archive/7z/7zExtract.c \
+	7z/Archive/7z/7zExtract.h \
 	explode.c \
 	explode.h \
 	textnorm.c \
diff --git a/libclamav/Makefile.in b/libclamav/Makefile.in
index 2ac55a0a3..2a8ba2248 100644
--- a/libclamav/Makefile.in
+++ b/libclamav/Makefile.in
@@ -118,13 +118,20 @@ am__libclamav_la_SOURCES_DIST = clamav.h matcher-ac.c matcher-ac.h \
 	mspack.c mspack.h cab.c cab.h entconv.c entconv.h entitylist.h \
 	encoding_aliases.h hashtab.c hashtab.h dconf.c dconf.h \
 	7z/LzmaDec.c 7z/LzmaDec.h 7z/Types.h lzma_iface.c lzma_iface.h \
-	explode.c explode.h textnorm.c textnorm.h dlp.c dlp.h \
-	jsparse/js-norm.c jsparse/js-norm.h jsparse/lexglobal.h \
-	jsparse/textbuf.h uniq.c uniq.h version.c version.h mpool.c \
-	mpool.h default.h sha256.c sha256.h bignum.h bytecode.c \
-	bytecode.h bytecode_vm.c bytecode_priv.h clambc.h cpio.c \
-	cpio.h macho.c macho.h ishield.c ishield.h bignum.c \
-	bignum_class.h
+	7z.c 7z.h 7z/7zFile.c 7z/7zFile.h 7z/7zStream.c 7z/CpuArch.h \
+	7z/7zCrc.c 7z/7zCrc.h 7z/7zBuf.c 7z/7zBuf.h 7z/Bcj2.c \
+	7z/Bcj2.h 7z/Bra.c 7z/Bra.h 7z/Bra86.c 7z/BraIA64.c \
+	7z/Archive/7z/7zIn.c 7z/Archive/7z/7zIn.h \
+	7z/Archive/7z/7zDecode.c 7z/Archive/7z/7zDecode.h \
+	7z/Archive/7z/7zItem.c 7z/Archive/7z/7zItem.h \
+	7z/Archive/7z/7zHeader.c 7z/Archive/7z/7zHeader.h \
+	7z/Archive/7z/7zExtract.c 7z/Archive/7z/7zExtract.h explode.c \
+	explode.h textnorm.c textnorm.h dlp.c dlp.h jsparse/js-norm.c \
+	jsparse/js-norm.h jsparse/lexglobal.h jsparse/textbuf.h uniq.c \
+	uniq.h version.c version.h mpool.c mpool.h default.h sha256.c \
+	sha256.h bignum.h bytecode.c bytecode.h bytecode_vm.c \
+	bytecode_priv.h clambc.h cpio.c cpio.h macho.c macho.h \
+	ishield.c ishield.h bignum.c bignum_class.h
 @LINK_TOMMATH_FALSE@am__objects_1 = libclamav_la-bignum.lo
 am_libclamav_la_OBJECTS = libclamav_la-matcher-ac.lo \
 	libclamav_la-matcher-bm.lo libclamav_la-matcher.lo \
@@ -158,13 +165,19 @@ am_libclamav_la_OBJECTS = libclamav_la-matcher-ac.lo \
 	libclamav_la-cab.lo libclamav_la-entconv.lo \
 	libclamav_la-hashtab.lo libclamav_la-dconf.lo \
 	libclamav_la-LzmaDec.lo libclamav_la-lzma_iface.lo \
-	libclamav_la-explode.lo libclamav_la-textnorm.lo \
-	libclamav_la-dlp.lo libclamav_la-js-norm.lo \
-	libclamav_la-uniq.lo libclamav_la-version.lo \
-	libclamav_la-mpool.lo libclamav_la-sha256.lo \
-	libclamav_la-bytecode.lo libclamav_la-bytecode_vm.lo \
-	libclamav_la-cpio.lo libclamav_la-macho.lo \
-	libclamav_la-ishield.lo $(am__objects_1)
+	libclamav_la-7z.lo libclamav_la-7zFile.lo \
+	libclamav_la-7zStream.lo libclamav_la-7zCrc.lo \
+	libclamav_la-7zBuf.lo libclamav_la-Bcj2.lo libclamav_la-Bra.lo \
+	libclamav_la-Bra86.lo libclamav_la-BraIA64.lo \
+	libclamav_la-7zIn.lo libclamav_la-7zDecode.lo \
+	libclamav_la-7zItem.lo libclamav_la-7zHeader.lo \
+	libclamav_la-7zExtract.lo libclamav_la-explode.lo \
+	libclamav_la-textnorm.lo libclamav_la-dlp.lo \
+	libclamav_la-js-norm.lo libclamav_la-uniq.lo \
+	libclamav_la-version.lo libclamav_la-mpool.lo \
+	libclamav_la-sha256.lo libclamav_la-bytecode.lo \
+	libclamav_la-bytecode_vm.lo libclamav_la-cpio.lo \
+	libclamav_la-macho.lo libclamav_la-ishield.lo $(am__objects_1)
 libclamav_la_OBJECTS = $(am_libclamav_la_OBJECTS)
 libclamav_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \
 	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(libclamav_la_CFLAGS) \
@@ -521,13 +534,20 @@ libclamav_la_SOURCES = clamav.h matcher-ac.c matcher-ac.h matcher-bm.c \
 	regex_suffix.c regex_suffix.h mspack.c mspack.h cab.c cab.h \
 	entconv.c entconv.h entitylist.h encoding_aliases.h hashtab.c \
 	hashtab.h dconf.c dconf.h 7z/LzmaDec.c 7z/LzmaDec.h 7z/Types.h \
-	lzma_iface.c lzma_iface.h explode.c explode.h textnorm.c \
-	textnorm.h dlp.c dlp.h jsparse/js-norm.c jsparse/js-norm.h \
-	jsparse/lexglobal.h jsparse/textbuf.h uniq.c uniq.h version.c \
-	version.h mpool.c mpool.h default.h sha256.c sha256.h bignum.h \
-	bytecode.c bytecode.h bytecode_vm.c bytecode_priv.h clambc.h \
-	cpio.c cpio.h macho.c macho.h ishield.c ishield.h \
-	$(am__append_7)
+	lzma_iface.c lzma_iface.h 7z.c 7z.h 7z/7zFile.c 7z/7zFile.h \
+	7z/7zStream.c 7z/CpuArch.h 7z/7zCrc.c 7z/7zCrc.h 7z/7zBuf.c \
+	7z/7zBuf.h 7z/Bcj2.c 7z/Bcj2.h 7z/Bra.c 7z/Bra.h 7z/Bra86.c \
+	7z/BraIA64.c 7z/Archive/7z/7zIn.c 7z/Archive/7z/7zIn.h \
+	7z/Archive/7z/7zDecode.c 7z/Archive/7z/7zDecode.h \
+	7z/Archive/7z/7zItem.c 7z/Archive/7z/7zItem.h \
+	7z/Archive/7z/7zHeader.c 7z/Archive/7z/7zHeader.h \
+	7z/Archive/7z/7zExtract.c 7z/Archive/7z/7zExtract.h explode.c \
+	explode.h textnorm.c textnorm.h dlp.c dlp.h jsparse/js-norm.c \
+	jsparse/js-norm.h jsparse/lexglobal.h jsparse/textbuf.h uniq.c \
+	uniq.h version.c version.h mpool.c mpool.h default.h sha256.c \
+	sha256.h bignum.h bytecode.c bytecode.h bytecode_vm.c \
+	bytecode_priv.h clambc.h cpio.c cpio.h macho.c macho.h \
+	ishield.c ishield.h $(am__append_7)
 noinst_LTLIBRARIES = libclamav_internal_utils.la libclamav_internal_utils_nothreads.la
 COMMON_CLEANFILES = version.h version.h.tmp *.gcda *.gcno
 @MAINTAINER_MODE_TRUE@BUILT_SOURCES = jsparse/generated/operators.h jsparse/generated/keywords.h jsparse-keywords.gperf
@@ -637,6 +657,20 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libclamav_internal_utils_nothreads_la-regfree.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libclamav_internal_utils_nothreads_la-str.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libclamav_internal_utils_nothreads_la-strlcpy.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libclamav_la-7z.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libclamav_la-7zBuf.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libclamav_la-7zCrc.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libclamav_la-7zDecode.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libclamav_la-7zExtract.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libclamav_la-7zFile.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libclamav_la-7zHeader.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libclamav_la-7zIn.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libclamav_la-7zItem.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libclamav_la-7zStream.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libclamav_la-Bcj2.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libclamav_la-Bra.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libclamav_la-Bra86.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libclamav_la-BraIA64.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libclamav_la-LzmaDec.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libclamav_la-aspack.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libclamav_la-autoit.Plo@am__quote@
@@ -1194,6 +1228,104 @@ libclamav_la-lzma_iface.lo: lzma_iface.c
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCC_FALSE@	$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libclamav_la_CFLAGS) $(CFLAGS) -c -o libclamav_la-lzma_iface.lo `test -f 'lzma_iface.c' || echo '$(srcdir)/'`lzma_iface.c
 
+libclamav_la-7z.lo: 7z.c
+@am__fastdepCC_TRUE@	$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libclamav_la_CFLAGS) $(CFLAGS) -MT libclamav_la-7z.lo -MD -MP -MF $(DEPDIR)/libclamav_la-7z.Tpo -c -o libclamav_la-7z.lo `test -f '7z.c' || echo '$(srcdir)/'`7z.c
+@am__fastdepCC_TRUE@	mv -f $(DEPDIR)/libclamav_la-7z.Tpo $(DEPDIR)/libclamav_la-7z.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='7z.c' object='libclamav_la-7z.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libclamav_la_CFLAGS) $(CFLAGS) -c -o libclamav_la-7z.lo `test -f '7z.c' || echo '$(srcdir)/'`7z.c
+
+libclamav_la-7zFile.lo: 7z/7zFile.c
+@am__fastdepCC_TRUE@	$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libclamav_la_CFLAGS) $(CFLAGS) -MT libclamav_la-7zFile.lo -MD -MP -MF $(DEPDIR)/libclamav_la-7zFile.Tpo -c -o libclamav_la-7zFile.lo `test -f '7z/7zFile.c' || echo '$(srcdir)/'`7z/7zFile.c
+@am__fastdepCC_TRUE@	mv -f $(DEPDIR)/libclamav_la-7zFile.Tpo $(DEPDIR)/libclamav_la-7zFile.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='7z/7zFile.c' object='libclamav_la-7zFile.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libclamav_la_CFLAGS) $(CFLAGS) -c -o libclamav_la-7zFile.lo `test -f '7z/7zFile.c' || echo '$(srcdir)/'`7z/7zFile.c
+
+libclamav_la-7zStream.lo: 7z/7zStream.c
+@am__fastdepCC_TRUE@	$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libclamav_la_CFLAGS) $(CFLAGS) -MT libclamav_la-7zStream.lo -MD -MP -MF $(DEPDIR)/libclamav_la-7zStream.Tpo -c -o libclamav_la-7zStream.lo `test -f '7z/7zStream.c' || echo '$(srcdir)/'`7z/7zStream.c
+@am__fastdepCC_TRUE@	mv -f $(DEPDIR)/libclamav_la-7zStream.Tpo $(DEPDIR)/libclamav_la-7zStream.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='7z/7zStream.c' object='libclamav_la-7zStream.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libclamav_la_CFLAGS) $(CFLAGS) -c -o libclamav_la-7zStream.lo `test -f '7z/7zStream.c' || echo '$(srcdir)/'`7z/7zStream.c
+
+libclamav_la-7zCrc.lo: 7z/7zCrc.c
+@am__fastdepCC_TRUE@	$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libclamav_la_CFLAGS) $(CFLAGS) -MT libclamav_la-7zCrc.lo -MD -MP -MF $(DEPDIR)/libclamav_la-7zCrc.Tpo -c -o libclamav_la-7zCrc.lo `test -f '7z/7zCrc.c' || echo '$(srcdir)/'`7z/7zCrc.c
+@am__fastdepCC_TRUE@	mv -f $(DEPDIR)/libclamav_la-7zCrc.Tpo $(DEPDIR)/libclamav_la-7zCrc.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='7z/7zCrc.c' object='libclamav_la-7zCrc.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libclamav_la_CFLAGS) $(CFLAGS) -c -o libclamav_la-7zCrc.lo `test -f '7z/7zCrc.c' || echo '$(srcdir)/'`7z/7zCrc.c
+
+libclamav_la-7zBuf.lo: 7z/7zBuf.c
+@am__fastdepCC_TRUE@	$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libclamav_la_CFLAGS) $(CFLAGS) -MT libclamav_la-7zBuf.lo -MD -MP -MF $(DEPDIR)/libclamav_la-7zBuf.Tpo -c -o libclamav_la-7zBuf.lo `test -f '7z/7zBuf.c' || echo '$(srcdir)/'`7z/7zBuf.c
+@am__fastdepCC_TRUE@	mv -f $(DEPDIR)/libclamav_la-7zBuf.Tpo $(DEPDIR)/libclamav_la-7zBuf.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='7z/7zBuf.c' object='libclamav_la-7zBuf.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libclamav_la_CFLAGS) $(CFLAGS) -c -o libclamav_la-7zBuf.lo `test -f '7z/7zBuf.c' || echo '$(srcdir)/'`7z/7zBuf.c
+
+libclamav_la-Bcj2.lo: 7z/Bcj2.c
+@am__fastdepCC_TRUE@	$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libclamav_la_CFLAGS) $(CFLAGS) -MT libclamav_la-Bcj2.lo -MD -MP -MF $(DEPDIR)/libclamav_la-Bcj2.Tpo -c -o libclamav_la-Bcj2.lo `test -f '7z/Bcj2.c' || echo '$(srcdir)/'`7z/Bcj2.c
+@am__fastdepCC_TRUE@	mv -f $(DEPDIR)/libclamav_la-Bcj2.Tpo $(DEPDIR)/libclamav_la-Bcj2.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='7z/Bcj2.c' object='libclamav_la-Bcj2.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libclamav_la_CFLAGS) $(CFLAGS) -c -o libclamav_la-Bcj2.lo `test -f '7z/Bcj2.c' || echo '$(srcdir)/'`7z/Bcj2.c
+
+libclamav_la-Bra.lo: 7z/Bra.c
+@am__fastdepCC_TRUE@	$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libclamav_la_CFLAGS) $(CFLAGS) -MT libclamav_la-Bra.lo -MD -MP -MF $(DEPDIR)/libclamav_la-Bra.Tpo -c -o libclamav_la-Bra.lo `test -f '7z/Bra.c' || echo '$(srcdir)/'`7z/Bra.c
+@am__fastdepCC_TRUE@	mv -f $(DEPDIR)/libclamav_la-Bra.Tpo $(DEPDIR)/libclamav_la-Bra.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='7z/Bra.c' object='libclamav_la-Bra.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libclamav_la_CFLAGS) $(CFLAGS) -c -o libclamav_la-Bra.lo `test -f '7z/Bra.c' || echo '$(srcdir)/'`7z/Bra.c
+
+libclamav_la-Bra86.lo: 7z/Bra86.c
+@am__fastdepCC_TRUE@	$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libclamav_la_CFLAGS) $(CFLAGS) -MT libclamav_la-Bra86.lo -MD -MP -MF $(DEPDIR)/libclamav_la-Bra86.Tpo -c -o libclamav_la-Bra86.lo `test -f '7z/Bra86.c' || echo '$(srcdir)/'`7z/Bra86.c
+@am__fastdepCC_TRUE@	mv -f $(DEPDIR)/libclamav_la-Bra86.Tpo $(DEPDIR)/libclamav_la-Bra86.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='7z/Bra86.c' object='libclamav_la-Bra86.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libclamav_la_CFLAGS) $(CFLAGS) -c -o libclamav_la-Bra86.lo `test -f '7z/Bra86.c' || echo '$(srcdir)/'`7z/Bra86.c
+
+libclamav_la-BraIA64.lo: 7z/BraIA64.c
+@am__fastdepCC_TRUE@	$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libclamav_la_CFLAGS) $(CFLAGS) -MT libclamav_la-BraIA64.lo -MD -MP -MF $(DEPDIR)/libclamav_la-BraIA64.Tpo -c -o libclamav_la-BraIA64.lo `test -f '7z/BraIA64.c' || echo '$(srcdir)/'`7z/BraIA64.c
+@am__fastdepCC_TRUE@	mv -f $(DEPDIR)/libclamav_la-BraIA64.Tpo $(DEPDIR)/libclamav_la-BraIA64.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='7z/BraIA64.c' object='libclamav_la-BraIA64.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libclamav_la_CFLAGS) $(CFLAGS) -c -o libclamav_la-BraIA64.lo `test -f '7z/BraIA64.c' || echo '$(srcdir)/'`7z/BraIA64.c
+
+libclamav_la-7zIn.lo: 7z/Archive/7z/7zIn.c
+@am__fastdepCC_TRUE@	$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libclamav_la_CFLAGS) $(CFLAGS) -MT libclamav_la-7zIn.lo -MD -MP -MF $(DEPDIR)/libclamav_la-7zIn.Tpo -c -o libclamav_la-7zIn.lo `test -f '7z/Archive/7z/7zIn.c' || echo '$(srcdir)/'`7z/Archive/7z/7zIn.c
+@am__fastdepCC_TRUE@	mv -f $(DEPDIR)/libclamav_la-7zIn.Tpo $(DEPDIR)/libclamav_la-7zIn.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='7z/Archive/7z/7zIn.c' object='libclamav_la-7zIn.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libclamav_la_CFLAGS) $(CFLAGS) -c -o libclamav_la-7zIn.lo `test -f '7z/Archive/7z/7zIn.c' || echo '$(srcdir)/'`7z/Archive/7z/7zIn.c
+
+libclamav_la-7zDecode.lo: 7z/Archive/7z/7zDecode.c
+@am__fastdepCC_TRUE@	$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libclamav_la_CFLAGS) $(CFLAGS) -MT libclamav_la-7zDecode.lo -MD -MP -MF $(DEPDIR)/libclamav_la-7zDecode.Tpo -c -o libclamav_la-7zDecode.lo `test -f '7z/Archive/7z/7zDecode.c' || echo '$(srcdir)/'`7z/Archive/7z/7zDecode.c
+@am__fastdepCC_TRUE@	mv -f $(DEPDIR)/libclamav_la-7zDecode.Tpo $(DEPDIR)/libclamav_la-7zDecode.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='7z/Archive/7z/7zDecode.c' object='libclamav_la-7zDecode.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libclamav_la_CFLAGS) $(CFLAGS) -c -o libclamav_la-7zDecode.lo `test -f '7z/Archive/7z/7zDecode.c' || echo '$(srcdir)/'`7z/Archive/7z/7zDecode.c
+
+libclamav_la-7zItem.lo: 7z/Archive/7z/7zItem.c
+@am__fastdepCC_TRUE@	$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libclamav_la_CFLAGS) $(CFLAGS) -MT libclamav_la-7zItem.lo -MD -MP -MF $(DEPDIR)/libclamav_la-7zItem.Tpo -c -o libclamav_la-7zItem.lo `test -f '7z/Archive/7z/7zItem.c' || echo '$(srcdir)/'`7z/Archive/7z/7zItem.c
+@am__fastdepCC_TRUE@	mv -f $(DEPDIR)/libclamav_la-7zItem.Tpo $(DEPDIR)/libclamav_la-7zItem.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='7z/Archive/7z/7zItem.c' object='libclamav_la-7zItem.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libclamav_la_CFLAGS) $(CFLAGS) -c -o libclamav_la-7zItem.lo `test -f '7z/Archive/7z/7zItem.c' || echo '$(srcdir)/'`7z/Archive/7z/7zItem.c
+
+libclamav_la-7zHeader.lo: 7z/Archive/7z/7zHeader.c
+@am__fastdepCC_TRUE@	$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libclamav_la_CFLAGS) $(CFLAGS) -MT libclamav_la-7zHeader.lo -MD -MP -MF $(DEPDIR)/libclamav_la-7zHeader.Tpo -c -o libclamav_la-7zHeader.lo `test -f '7z/Archive/7z/7zHeader.c' || echo '$(srcdir)/'`7z/Archive/7z/7zHeader.c
+@am__fastdepCC_TRUE@	mv -f $(DEPDIR)/libclamav_la-7zHeader.Tpo $(DEPDIR)/libclamav_la-7zHeader.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='7z/Archive/7z/7zHeader.c' object='libclamav_la-7zHeader.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libclamav_la_CFLAGS) $(CFLAGS) -c -o libclamav_la-7zHeader.lo `test -f '7z/Archive/7z/7zHeader.c' || echo '$(srcdir)/'`7z/Archive/7z/7zHeader.c
+
+libclamav_la-7zExtract.lo: 7z/Archive/7z/7zExtract.c
+@am__fastdepCC_TRUE@	$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libclamav_la_CFLAGS) $(CFLAGS) -MT libclamav_la-7zExtract.lo -MD -MP -MF $(DEPDIR)/libclamav_la-7zExtract.Tpo -c -o libclamav_la-7zExtract.lo `test -f '7z/Archive/7z/7zExtract.c' || echo '$(srcdir)/'`7z/Archive/7z/7zExtract.c
+@am__fastdepCC_TRUE@	mv -f $(DEPDIR)/libclamav_la-7zExtract.Tpo $(DEPDIR)/libclamav_la-7zExtract.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='7z/Archive/7z/7zExtract.c' object='libclamav_la-7zExtract.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libclamav_la_CFLAGS) $(CFLAGS) -c -o libclamav_la-7zExtract.lo `test -f '7z/Archive/7z/7zExtract.c' || echo '$(srcdir)/'`7z/Archive/7z/7zExtract.c
+
 libclamav_la-explode.lo: explode.c
 @am__fastdepCC_TRUE@	$(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libclamav_la_CFLAGS) $(CFLAGS) -MT libclamav_la-explode.lo -MD -MP -MF $(DEPDIR)/libclamav_la-explode.Tpo -c -o libclamav_la-explode.lo `test -f 'explode.c' || echo '$(srcdir)/'`explode.c
 @am__fastdepCC_TRUE@	mv -f $(DEPDIR)/libclamav_la-explode.Tpo $(DEPDIR)/libclamav_la-explode.Plo
diff --git a/libclamav/dconf.c b/libclamav/dconf.c
index 2a37b9ce7..d3581b51d 100644
--- a/libclamav/dconf.c
+++ b/libclamav/dconf.c
@@ -91,6 +91,7 @@ static struct dconf_module modules[] = {
     { "ARCHIVE",    "NSIS",	    ARCH_CONF_NSIS,	    1 },
     { "ARCHIVE",    "AUTOIT",	    ARCH_CONF_AUTOIT,	    1 },
     { "ARCHIVE",    "ISHIELD",	    ARCH_CONF_ISHIELD,	    1 },
+    { "ARCHIVE",    "7zip",	    ARCH_CONF_7Z,	    1 },
 
     { "DOCUMENT",   "HTML",	    DOC_CONF_HTML,	    1 },
     { "DOCUMENT",   "RTF",	    DOC_CONF_RTF,	    1 },
diff --git a/libclamav/dconf.h b/libclamav/dconf.h
index 3c1e6765e..25d84d5af 100644
--- a/libclamav/dconf.h
+++ b/libclamav/dconf.h
@@ -76,6 +76,7 @@ struct cli_dconf {
 #define ARCH_CONF_AUTOIT    0x2000
 #define ARCH_CONF_CPIO	    0x4000
 #define ARCH_CONF_ISHIELD   0x8000
+#define ARCH_CONF_7Z        0x10000
 
 /* Document flags */
 #define DOC_CONF_HTML		0x1
diff --git a/libclamav/filetypes.c b/libclamav/filetypes.c
index aafea6573..2f4bcb9f2 100644
--- a/libclamav/filetypes.c
+++ b/libclamav/filetypes.c
@@ -95,6 +95,7 @@ static const struct ftmap_s {
     { "CL_TYPE_NULSFT",		CL_TYPE_NULSFT		},
     { "CL_TYPE_AUTOIT",		CL_TYPE_AUTOIT		},
     { "CL_TYPE_ISHIELD_MSI",	CL_TYPE_ISHIELD_MSI	},
+    { "CL_TYPE_7Z",		CL_TYPE_7Z		},
     { NULL,			CL_TYPE_IGNORED		}
 };
 
diff --git a/libclamav/filetypes.h b/libclamav/filetypes.h
index dbb63a1b2..1d8dd77fc 100644
--- a/libclamav/filetypes.h
+++ b/libclamav/filetypes.h
@@ -70,6 +70,7 @@ typedef enum {
     CL_TYPE_SCRIPT,
     CL_TYPE_HTML_UTF16,
     CL_TYPE_RTF,
+    CL_TYPE_7Z,
 
     /* bigger numbers have higher priority (in o-t-f detection) */
     CL_TYPE_HTML, /* on the fly */
diff --git a/libclamav/filetypes_int.h b/libclamav/filetypes_int.h
index ef516063a..c2360b449 100644
--- a/libclamav/filetypes_int.h
+++ b/libclamav/filetypes_int.h
@@ -149,6 +149,7 @@ static const char *ftypes_int[] = {
   "0:0:feedface:Mach-O BE:CL_TYPE_ANY:CL_TYPE_MACHO:45",
   "0:0:feedfacf:Mach-O BE 64-bit:CL_TYPE_ANY:CL_TYPE_MACHO:45",
   "1:*:496e7374616c6c536869656c6400{292}0600000000000000{8}0000000001:ISHIELD-MSI:CL_TYPE_ANY:CL_TYPE_ISHIELD_MSI:45",
+  "0:0:377abcaf271c:7zip:CL_TYPE_ANY:CL_TYPE_7Z:47",
   "0:0:cafebabe:Universal Binary/Java Bytecode:CL_TYPE_ANY:CL_TYPE_MACHO_UNIBIN:46",
   NULL
 };
diff --git a/libclamav/lzma_iface.c b/libclamav/lzma_iface.c
index ee7b1a62c..e2a484074 100644
--- a/libclamav/lzma_iface.c
+++ b/libclamav/lzma_iface.c
@@ -26,15 +26,15 @@
 
 #include "lzma_iface.h"
 
-static void *__wrap_alloc(void *unused, size_t size) { 
+void *__lzma_wrap_alloc(void *unused, size_t size) { 
     unused = unused;
     return cli_malloc(size);
 }
-static void __wrap_free(void *unused, void *freeme) {
+void __lzma_wrap_free(void *unused, void *freeme) {
     unused = unused;
     free(freeme);
 }
-static ISzAlloc g_Alloc = { __wrap_alloc, __wrap_free };
+static ISzAlloc g_Alloc = { __lzma_wrap_alloc, __lzma_wrap_free };
 
 
 static unsigned char lzma_getbyte(struct CLI_LZMA *L, int *fail) {
diff --git a/libclamav/lzma_iface.h b/libclamav/lzma_iface.h
index 7de55b01c..bced6bc8d 100644
--- a/libclamav/lzma_iface.h
+++ b/libclamav/lzma_iface.h
@@ -53,6 +53,9 @@ int cli_LzmaInit(struct CLI_LZMA *, uint64_t);
 void cli_LzmaShutdown(struct CLI_LZMA *);
 int cli_LzmaDecode(struct CLI_LZMA *);
 
+void *__lzma_wrap_alloc(void *unused, size_t size);
+void __lzma_wrap_free(void *unused, void *freeme);
+
 #define LZMA_STREAM_END 2
 #define LZMA_RESULT_OK 0
 #define LZMA_RESULT_DATA_ERROR 1
diff --git a/libclamav/others.h b/libclamav/others.h
index 12d4aa6ae..592f138d3 100644
--- a/libclamav/others.h
+++ b/libclamav/others.h
@@ -49,7 +49,7 @@
  * in re-enabling affected modules.
  */
 
-#define CL_FLEVEL 46
+#define CL_FLEVEL 47
 #define CL_FLEVEL_DCONF	CL_FLEVEL
 
 extern uint8_t cli_debug_flag;
diff --git a/libclamav/scanners.c b/libclamav/scanners.c
index 995ffeeb7..7f6a1be14 100644
--- a/libclamav/scanners.c
+++ b/libclamav/scanners.c
@@ -95,6 +95,7 @@
 #include "cpio.h"
 #include "macho.h"
 #include "ishield.h"
+#include "7z.h"
 
 #ifdef HAVE_BZLIB_H
 #include <bzlib.h>
@@ -2028,6 +2029,11 @@ int cli_magic_scandesc(int desc, cli_ctx *ctx)
 		ret = cli_scanole2(desc, ctx);
 	    break;
 
+	case CL_TYPE_7Z:
+	    if(SCAN_ARCHIVE && (DCONF_ARCH & ARCH_CONF_7Z))
+		ret = cli_7unz(desc, ctx);
+	    break;
+
 	case CL_TYPE_POSIX_TAR:
 	    if(SCAN_ARCHIVE && (DCONF_ARCH & ARCH_CONF_TAR))
 		ret = cli_scantar(desc, ctx, 1);