mswpi32.exe is a Trojan W32.Rbot-ASQ. mswpi32.exe opens a back door on IRC channels. mswpi32.exe spreads via open network shares. Related files: %System%\mswpi32.exe More info: http://www.sophos.com/virusinfo/analyses... Removal: Kill mswpi32.exe process and remove mswpi32.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.