Comodo Antivirus

Comodo Antivirus is the free way to completely rid your computer of viruses, malware, Trojans, worms and other Internet threats. Version 5.0 takes protection against zero-day threats to the next level by introducing cloud based virus scanning, spyware scanning and behavior analysis of unrecognized files. CAV also features auto-sandboxing of untrusted files, full on-access and on-demand scanning, built-in scheduler and a redesigned user-interface.