WinSGR32.exe is a Trojan W32.Rbot-APU. WinSGR32.exe opens a back door on IRC channels. WinSGR32.exe spreads via open network shares. WinSGR32.exe tries to terminate antiviral programs installed on a user computer. Related files: %System%\WinSGR32.exe More info: http://www.sophos.com/virusinfo/analyses... Removal: Kill WinSGR32.exe process and remove WinSGR32.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.