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