ClamAV

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sudo apt install clamav -y
sudo freshclam  
clamscan -r / To check all files on the computer, displaying the name of each file
clamscan -r --bell -i / To check all files on the computer, but only display infected files and ring a bell when found:
clamscan -r -i / & To scan all files on the computer but only display infected files when found and have this run in the background:
clamscan -r --move=/home/USER/VIRUS /home/USER To check files in the USER home directory and move infected files to another folder: