nortonav.exe is a Trojan W32.Rbot-AYL. nortonav.exe opens a back door on IRC channels. nortonav.exe spreads via open network shares. nortonav.exe monitors user Internet activity and private information. It sends stolen data to a hacker site. Related files: %System%\nortonav.exe More info: http://www.sophos.com/virusinfo/analyses... Removal: Kill nortonav.exe process and remove nortonav.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.