[Unit]
Description=Update ClamAV virus database once
Documentation=man:freshclam(1) man:freshclam.conf(5) https://docs.clamav.net/
Wants=network-online.target
After=network-online.target

[Service]
Type=oneshot
ExecStart=@prefix@/bin/freshclam

[Install]
WantedBy=multi-user.target