A virus scanner. More information: https://docs.clamav.net/manual/Usage/Scanning.html#clamscan.
clamscan {{path/to/file}}
clamscan {{[-r|--recursive]}} {{path/to/directory}}
stdin:{{command}} | clamscan -
clamscan {{[-d|--database]}} {{path/to/database_file_or_directory}}
clamscan {{[-i|--infected]}}
clamscan {{[-l|--log]}} {{path/to/log_file}}
clamscan --move {{path/to/quarantine_directory}}
clamscan --remove yes