Install clamav in ubuntu
sudo aptitude install clamav clamav-daemon clamav-freshclam
This will complete the basic scanner installation.
GTK frontend for the Clam AntiVirus scanner
If you want to install GTK frontend for the Clam AntiVirus scanner in ubuntu you can install avscan or clamtk
This example i am installing clamTK
Download clamtk using the following command
wget http://puzzle.dl.sourceforge.net/sourceforge/clamtk/clamtk_3.05-1_all.deb
Now you need to install clamtk .deb package using the following command
sudo dpkg -i clamtk_3.05-1_all.deb
If you get any problems use the following command
sudo apt-get -f install
This will complete the installation
If you want to open clamtk go to Applications—>Accessories—>Virus Scanner