What is asfilterdrv.sys?

asfilterdrv.sys is part of Windows (R) Win 7 DDK driver and developed by Windows (R) Win 7 DDK provider according to the asfilterdrv.sys version information.

asfilterdrv.sys's description is "NetFilter SDK WFP Driver (WPP)"

asfilterdrv.sys is digitally signed by NINJASOFT LLC.

asfilterdrv.sys is usually located in the 'C:\WINDOWS\system32\drivers\' folder.

Some of the anti-virus scanners at VirusTotal detected asfilterdrv.sys.

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

13 of the 54 anti-virus programs at VirusTotal detected the asfilterdrv.sys file. That's a 24% detection rate.

Scanner	Detection Name
Agnitum	Riskware.Agent!
AVG	Generic.32F
AVware	Trojan.Win32.Generic!BT
Baidu-International	Hacktool.Win32.NetFilter.A
DrWeb	Trojan.Fraudster.1624
ESET-NOD32	a variant of Win32/NetFilter.A potentially unsafe
Fortinet	Riskware/NetFilter
K7AntiVirus	Unwanted-Program ( 004b89751 )
K7GW	Unwanted-Program ( 004b89751 )
McAfee	Artemis!B92D82895942
McAfee-GW-Edition	BehavesLike.Win32.BadFile.ph
VIPRE	Trojan.Win32.Generic!BT
Zillya	Backdoor.CPEX.Win32.32973

asfilterdrv.sys removal instructions

The instructions below shows how to remove asfilterdrv.sys with help from the FreeFixer removal tool. Basically, you install FreeFixer, scan your computer, check the asfilterdrv.sys file for removal, restart your computer and scan it again to verify that asfilterdrv.sys 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 asfilterdrv.sys in the scan result and tick the checkbox next to the asfilterdrv.sys 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 asfilterdrv.sys in the scan result.

   

   

   C:\WINDOWS\system32\drivers\asfilterdrv.sys

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

   
5. Restart your computer.
6. Start FreeFixer and scan your computer again. If asfilterdrv.sys still remains in the scan result, proceed with the next step. If asfilterdrv.sys is gone from the scan result you're done.
7. If asfilterdrv.sys 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 asfilterdrv.sys no longer appear in the scan result.

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