While I cannot attest to how well it actually works, there is an open-sourced virus scanner in the Ubuntu repositories: ClamAV . Once installed, run clamtk and it can scan the file.

There aren't very many AV scanners for Linux in general, but if you're willing to install non-free software you could also have a look at BitDefender Scanner for Unices

1. Get a free key for private use here.


2. Follow the instructions here to add the DEB repo to your /etc/apt/sources.list


3. sudo apt-get install bitdefender-scanner-gui or sudo apt-get install bitdefender-scanner for the CLI version.



4. Run these commands to get rid of the segfaulting behavior:

   
   
   

   sudo bdscan --update
   
   

   
   
   

   Read the license and, at the end, type "accept" if you agree, then (as root):

   
   
   

   # cat /opt/BitDefender-scanner/var/lib/scan/versions.dat.* | 
   
     awk '/bdcore.so.linux/ {print $3}' | 
   
     while read bdcore_so; do
   
         touch /opt/BitDefender-scanner/var/lib/scan/$bdcore_so;
   
         bdscan --update;
   
         mv /opt/BitDefender-scanner/var/lib/scan/bdcore.so 
   
             /opt/BitDefender-scanner/var/lib/scan/bdcore.so.old;
   
         ln -s /opt/BitDefender-scanner/var/lib/scan/$bdcore_so 
   
             /opt/BitDefender-scanner/var/lib/scan/bdcore.so;
   
         chown bitdefender:bitdefender 
   
             /opt/BitDefender-scanner/var/lib/scan/$bdcore_so;
   
     done
   
   



5. Run the gui via the command bdgui (it should also show up in the launcher)