The protection provided by Panda Antivirus works against all kinds of malware: the conventional viruses, the (now) unusual dialers, spyware, the specific tools used by hackers, etc.
With this application it's possible to scan all the hard drive or a specific route on the hard drive. To do so, you only have to launch the application from the terminal by typing in: pavcl route. Furthermore, you'll be able to modify the configuration of the antivirus modifying its parameters. You can check all this information by launching pavcl -help.
If you want to have extra protection for your favorite Linux distribution, download Panda Antivirus.