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