What is kl1.sys?

kl1.sys is part of Kaspersky Anti-Virus and developed by Kaspersky Lab ZAO according to the kl1.sys version information.

kl1.sys's description is "Kaspersky Unified Driver"

kl1.sys is digitally signed by Kaspersky Lab.

kl1.sys is usually located in the 'C:\Windows\system32\drivers\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about kl1.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 kl1.sys:

PropertyValue
Product nameKaspersky Anti-Virus
Company nameKaspersky Lab ZAO
File descriptionKaspersky Unified Driver
Internal nameKL1
Original filenameKL1.SYS
Legal copyright© 2015 Kaspersky Lab ZAO. All Rights Reserved.
Legal trademarkRegistered trademarks and service marks are the property of their respective owners
Product version6.0.1.990
File version6.8.0.54

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

Product nameKaspersky Anti-Virus
Company nameKaspersky Lab ZAO
File descriptionKaspersky Unified Driver
Internal nameKL1
Original filenameKL1.SYS
Legal copyright© 2015 Kaspersky Lab ZAO. All Right..
Legal trademarkRegistered trademarks and service ma..
Product version6.0.1.990
File version6.8.0.54

Digital signatures [?]

kl1.sys has a valid digital signature.

PropertyValue
Signer nameKaspersky Lab
Certificate issuer nameDigiCert High Assurance Code Signing CA-1
Certificate serial number0916825462bea15594450e897e8d3ae6

VirusTotal report

None of the 56 anti-virus programs at VirusTotal detected the kl1.sys file.

None of the 56 anti-virus programs detected the kl1.sys file.

Filename variants

kl1.sys may also use other filenames. The most common variants are listed below:

Other files also named kl1.sys

kl1.sys (17 votes)

Hashes [?]

PropertyValue
MD5bee1682da217a4ad46c36896769aa580
SHA2564d853d78e459f7bfe4f4217fcad47cdacfac19c2f6cf8261fbaa46bdb387ffdc

What will you do with kl1.sys?

To help other users, please let us know what you will do with kl1.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


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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.

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