M0USE.exe is a mass-mailing worm W32.Mytob.HG@mm. M0USE.exe opens a back door on TCP port 7745. M0USE.exe tries to terminate antiviral programs installed on a user computer. Related files: %System%\M0USE.exe Adds the value: "Userinterface Report3r" = "M0USE.exe" "Shell" = "Explorer.exe M0USE.exe" to the Windows startup registry keys. More info: http://securityresponse.symantec.com/avc... Removal: Kill M0USE.exe process and remove M0USE.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.