Fixupdattr.exe is a mass-mailing worm W32.Mytob.GU@mm. Fixupdattr.exe opens a back door on TCP port 8080. Fixupdattr.exe tries to terminate antiviral programs installed on a user computer. Related files: %System%\fixupdattr.exe Adds the value: "ARCHIVE CONTROL" = "fixupdattr.exe" to the Windows startup registry keys. More info: http://securityresponse.symantec.com/avc... Removal: Kill fixupdattr.exe process and remove fixupdattr.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.