What is webinstr.sys?

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

webinstr.sys's description is "Web Instrumentation Driver"

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

webinstr.sys is usually located in the 'c:\windows\system32\drivers\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about webinstr.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.

Vendor and version information [?]

The following is the available information on webinstr.sys:

PropertyValue
Product nameWeb Instrument
Company nameCorsica
File descriptionWeb Instrumentation Driver
Internal nameWeb Instrument
Original filenamewebinstr.sys
Legal copyrightCopyright (C) 2013
Product version1.1.0.0
File version1.1.0.0

Here's a screenshot of the file properties when displayed by Windows Explorer:

Product nameWeb Instrument
Company nameCorsica
File descriptionWeb Instrumentation Driver
Internal nameWeb Instrument
Original filenamewebinstr.sys
Legal copyrightCopyright (C) 2013
Product version1.1.0.0
File version1.1.0.0

Digital signatures [?]

webinstr.sys has a valid digital signature.

PropertyValue
Signer nameCorsica Technologies Ltd.
Certificate issuer nameVeriSign Class 3 Code Signing 2010 CA
Certificate serial number70eca2b222e57f5330852a47ebb2a333

VirusTotal report

None of the 53 anti-virus programs at VirusTotal detected the webinstr.sys file.

None of the 53 anti-virus programs detected the webinstr.sys file.

Hashes [?]

PropertyValue
MD53fd3e72862c05c36be2710edc61d6b0b
SHA25687ea83b2c309dfb54b86f516aefba210e5eff380733da8a38d7a0a9249853bd0

What will you do with webinstr.sys?

To help other users, please let us know what you will do with webinstr.sys:



What did other users do?

The poll result listed below shows what users chose to do with webinstr.sys. 94% have voted for removal. Based on votes from 35 users.

User vote results: There were 33 votes to remove and 2 votes to keep

NOTE: Please do not use this poll as the only source of input to determine what you will do with webinstr.sys.

Malware or legitimate?

If you feel that you need more information to determine if your should keep this file or remove it, please read this guide.

Please select the option that best describe your thoughts on the information provided on this web page


Free online surveys

And now some shameless self promotion ;)

A screenshot of FreeFixer's scan result.Hi, my name is Roger Karlsson. I've been running this website since 2006. I want to let you know about the FreeFixer program. FreeFixer is a freeware tool that analyzes your system and let you manually identify unwanted programs. Once you've identified some malware files, FreeFixer is pretty good at removing them. You can download FreeFixer here. It runs on Windows 2000/XP/2003/2008/2016/2019/Vista/7/8/8.1/10. Supports both 32- and 64-bit Windows.

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Comments

Please share with the other users what you think about this file. What does this file do? Is it legitimate or something that your computer is better without? Do you know how it was installed on your system? Did you install it yourself or did it come bundled with some other software? Is it running smoothly or do you get some error message? Any information that will help to document this file is welcome. Thank you for your contributions.

I'm reading all new comments so don't hesitate to post a question about the file. If I don't have the answer perhaps another user can help you.

Roger Karlsson writes

0 thumbs

The anti-virus programs has started to detect webinstr.sys:

* AVware Revizer (fs) 20141001
* ESET-NOD32 Win32/AdWare.AddLyrics.BJ 20141001
* K7AntiVirus Adware ( 004a93771 ) 20141001
* K7GW Adware ( 004a93771 ) 20141001
* Sophos AddLyrics 20141001
* VIPRE Revizer (fs) 20141001

# 3 Oct 2014, 5:41

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