msupdte32.exe is a Trojan W32.Sdbot-AEF. msupdte32.exe opens a back door on IRC channels. msupdte32.exe spreads via open network shares. Related files: %System%\msupdte32.exe More info: http://www.sophos.com/virusinfo/analyses... Removal: Kill msupdte32.exe process and remove msupdte32.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.