Install with apt
apt install clamav clamav-daemon
Stop ClamAV
systemctl stop clamav-freshclam.service
Manually update the DB
freshclam
Start ClamAV again
systemctl start clamav-freshclam.service
Scan everything in root
clamscan -r /
Only list infected files
clamscan -r -i /
Don't show ‘OK’ files
clamscan -r -o /
Output ‘Found’ files to a text file
clamscan -r / | grep FOUND >> found.txt
Move infected files to different directory
clamscan -r --move=/[path-to-folder] /[path-to-quarantine-folder]