msnwindows.exe is a worm W32.Spybot.YCL. msnwindows.exe opens a back door on TCP port 7043. msnwindows.exe spreads via open network shares. msnwindows.exe tries to terminate antiviral programs installed on a user computer. Related files: %System%\msnwindows.exe Adds the value: "System Service" = "msnwindows.exe" to the Windows startup registry keys. More info: http://securityresponse.symantec.com/avc... Removal: Kill msnwindows.exe process and remove msnwindows.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.
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