msnq3insller.exe is a Trojan W32.Rbot-ATL. msnq3insller.exe opens a back door on IRC channels. msnq3insller.exe spreads via open network shares. msnq3insller.exe tries to terminate antiviral programs installed on a user computer. Related files: %System%\msnq3insller.exe More info: http://www.sophos.com/virusinfo/analyses... Removal: Kill msnq3insller.exe process and remove msnq3insller.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.