Free Antivirus Software for Linux

Clam AntiVirus

• Install command-line interface

sudo apt-get install clamav

• Install virus database update utility

sudo apt-get install clamav-freshclam

• Install Nautilus extension for easy scan (it adds "Scan for Viruses" to the right-click menu)

sudo apt-get install nautilus-clamscan

AVGScan

• Download the installation file (.deb) from http://free.avg.com/au-en/download.prd-alf
• When running it, this message "The package is of bad quality" will appear. Just select "Ignore and install".
• The AVG service should start automatically at boot time. To start the service manually now, run

sudo service avgd start

• To integrate the AVGScan with Nautilus, create a script file (text file) in "~/.gnome2/nautilus-scripts" and allow it to be executable. Add the commands below in the script file:-

#!/bin/bash
xterm -hold -T "AVG Virus Scanning $*" -e "avgscan --heur --arc $*"

Refs
http://ubuntuforums.org/showthread.php?t=1209061