MNSYSTEM.dll is a Trojan PWSteal.Tarno.N. MNSYSTEM.dll monitors user Internet activity and private information. It sends stolen data to a hacker site. Related files: %System%\drivers\Data\vmmlog64.TXT %System%\drivers\Data\vmmlog64II.TXT %System%\drivers\SPOOLSYS.exe %System%\drivers\MNSYSTEM.dll Adds the value: "MicrosoftSys" = "%System%\drivers\SPOOLSYS.exe" to the Windows startup registry keys. More info: http://securityresponse.symantec.com/avc... Removal: Remove MNSYSTEM.dll from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.
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