Clam AntiVirus (ClamAV) is a free, cross-platform and open-source antivirus software toolkit able to detect many types of malicious software, including viruses. One of its main uses is on mail servers as a server-side email virus scanner.
apt -y install clamav
sed -i -e “s/^NotifyClamd/#NotifyClamd/g” /etc/clamav/freshclam.conf
Update pattern files – freshclam
sudo dpkg-reconfigure clamav-freshclam
sudo /etc/init.d/clamav-freshclam stop
sudo freshclam -v