What is webinstrH.sys?

webinstrH.sys is part of Web Instrument New and developed by Corsica according to the webinstrH.sys version information.

webinstrH.sys's description is "Web Instrumentation New Driver"

webinstrH.sys is digitally signed by Corsica Technologies Ltd..

webinstrH.sys is usually located in the 'c:\Windows\System32\drivers\' folder.

Some of the anti-virus scanners at VirusTotal detected webinstrH.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

5 of the 56 anti-virus programs at VirusTotal detected the webinstrH.sys file. That's a 9% detection rate.

Scanner	Detection Name
AVware	Revizer (fs)
ESET-NOD32	a variant of Win32/Adware.AddLyrics.CS
Sophos	AddLyrics
TrendMicro-HouseCall	Suspicious_GEN.F47V1126
VIPRE	Revizer (fs)

webinstrH.sys removal instructions

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

   

   

   c:\Windows\System32\drivers\webinstrH.sys

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

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

What did other users do?

The poll result listed below shows what users chose to do with webinstrH.sys. 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 webinstrH.sys. Only 2 users has voted so far so it does not offer a high degree of confidence.

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