What is mssys.dll?

mssys.dll is usually located in the 'C:\Windows\' folder.

Some of the anti-virus scanners at VirusTotal detected mssys.dll.

If you have additional information about the file, please share it with the FreeFixer users by posting a comment at the bottom of this page.

VirusTotal report

40 of the 47 anti-virus programs at VirusTotal detected the mssys.dll file. That's a 85% detection rate.

Scanner	Detection Name
Agnitum	Worm.AutoRun!2ecgVyduDsY
AhnLab-V3	Win-Trojan/Agent.67072.IZ
AntiVir	TR/Kryptik.IOZ
Antiy-AVL	Trojan/Win32.Zapchast.gen
Avast	Win32:Kryptik-IOZ [Trj]
AVG	Generic28.BALW
Baidu-International	Trojan.Win32.AutoRun.AEPp
BitDefender	Trojan.Generic.KDV.619582
Bkav	W32.WinatoC.Trojan
CAT-QuickHeal	Trojan.Secrar
Comodo	UnclassifiedMalware
Emsisoft	Trojan.Generic.KDV.619582 (B)
ESET-NOD32	Win32/AutoRun.Agent.AFJ
F-Secure	Trojan.Generic.KDV.619582
Fortinet	W32/AutoRun_Agent.AFJ
GData	Trojan.Generic.KDV.619582
Ikarus	Trojan.Win32.Secrar
Jiangmin	Trojan/Genome.ckgr
K7AntiVirus	Riskware
K7GW	Riskware
Kaspersky	Trojan.Win32.Zapchast.aews
Kingsoft	Win32.Malware.Heur_Generic.A.(kcloud)
Malwarebytes	Trojan.Agent
McAfee	W32/Autorun.worm.bge
McAfee-GW-Edition	W32/Autorun.worm.bge
Microsoft	Trojan:Win32/Secrar.A
MicroWorld-eScan	Trojan.Generic.KDV.619582
NANO-Antivirus	Trojan.Win32.Kryptik.sdbyb
Norman	Troj_Generic.CGGBG
Panda	Generic Malware
Rising	Trojan.Win32.Generic.12D7C413
Sophos	Mal/Generic-L
SUPERAntiSpyware	Trojan.Agent/Gen-Secrar
Symantec	Trojan.Gen
TheHacker	Trojan/AutoRun.Agent.afj
TrendMicro	TROJ_SPNR.30ID12
TrendMicro-HouseCall	TROJ_SPNR.30ID12
VBA32	Trojan.Genome.af
VIPRE	Trojan.Win32.Generic!BT
ViRobot	Trojan.Win32.A.Zapchast.67072.A[UPX]

mssys.dll removal instructions

The instructions below shows how to remove mssys.dll with help from the FreeFixer removal tool. Basically, you install FreeFixer, scan your computer, check the mssys.dll file for removal, restart your computer and scan it again to verify that mssys.dll has been successfully removed. Here are the removal instructions in more detail:

1. Download and install FreeFixer: http://www.freefixer.com/download.html
2. Start FreeFixer and press the Start Scan button. The scan will finish in approximately five minutes.

   
3. When the scan is finished, locate mssys.dll in the scan result and tick the checkbox next to the mssys.dll file. Do not check any other file for removal unless you are 100% sure you want to delete it. Tip: Press CTRL-F to open up FreeFixer's search dialog to quickly locate mssys.dll in the scan result.

   

   

   C:\Windows\mssys.dll

   
4. Scroll down to the bottom of the scan result and press the Fix button. FreeFixer will now delete the mssys.dll file.

   
5. Restart your computer.
6. Start FreeFixer and scan your computer again. If mssys.dll still remains in the scan result, proceed with the next step. If mssys.dll is gone from the scan result you're done.
7. If mssys.dll still remains in the scan result, check its checkbox again in the scan result and click Fix.
8. Restart your computer.
9. Start FreeFixer and scan your computer again. Verify that mssys.dll no longer appear in the scan result.

What did other users do?

The poll result listed below shows what users chose to do with mssys.dll. 50% have voted for removal. Based on votes from 2 users.

NOTE: Please do not use this poll as the only source of input to determine what you will do with mssys.dll. Only 2 users has voted so far so it does not offer a high degree of confidence.

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