I reviewed and tested every Ubuntu anti-virus I was able to get my hands on, ClamTK is by far the best.
Simple Instructions on what is needed to install a fully updated anti-virus for Ubuntu.
* Viruss are not common in Linux, however, this is not a bad idea if you have users submitting data to your server. *
You can watch a video on how to install this
ClamTKs application icon
ClamTKs newest GUI
Your application GUI might appear different if you didnt grab the update form the website.