Antivir is a rogue antivirus application that is pushed through web site popup ads on unsuspecting users. Basically in web browsing you may see a popup claiming that your computer is infected and you should run a malware scan. Clicking to proceed will probably show an animation of a scan which is really nothing more than an animated lookalike scan. After this it will claim that you need to downlod antivir in order to clean the supposed viruses that it found off your computer. After that the program becomes even more troublesome launching popup warnings and complaints and running scans and then claiming that your system is full of viruses. Read on for how to remove Antivir.