clamav

Open-source anti-virus program. Designed especially for e-mail scanning on mail gateways, but can be used in other contexts. More information: https://www.clamav.net.

Update virus definitions:

freshclam

Scan a file for viruses:

clamscan {{path/to/file}}

Scan directories recursively and print out infected files:

clamscan --recursive --infected {{path/to/directory}}

Scan directories recursively and move them into quarantine:

clamscan --recursive --move={{directory}}