Install clamav
sudo apt install clamav
Disable update service
sudo systemctl disable clamav-freshclam
Stop update service
sudo systemctl stop clamav-freshclam
Update clamav manually
sudo freshclam
Scan system
mkdir $HOME/Desktop/infected; sudo clamscan -r --bell -i --move=$HOME/Desktop/infected --exclude-dir=$HOME/Desktop/infected / &> $HOME/Desktop/infected/scan.txt