What is sys.sys?

sys.sys is part of sys and developed by sys according to the sys.sys version information.

sys.sys's description is "sys"

sys.sys is usually located in the 'c:\program\sys\' folder.

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 sys.sys:

Product namesys
Company namesys
File descriptionsys
Internal namesys.sys
Original filenamesys.sys
Legal copyrightCopyright 2009
Product version1.3.06.23
File version1.3.06.23 built by: WinDDK

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

Product namesys
Company namesys
File descriptionsys
Internal namesys.sys
Original filenamesys.sys
Legal copyrightCopyright 2009
Product version1.3.06.23
File version1.3.06.23 built by: WinDDK

Digital signatures [?]

sys.sys is not signed.

Folder name variants

sys.sys may also be located in other folders than c:\program\sys\. The most common variants are listed below:

Hashes [?]


What will you do with sys.sys?

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

What did other users do?

The poll result listed below shows what users chose to do with sys.sys. 95% have voted for removal. Based on votes from 22 users.

User vote results: There were 21 votes to remove and 1 vote to keep

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

If you have questions, feedback on FreeFixer or the freefixer.com website, need help analyzing FreeFixer's scan result or just want to say hello, please contact me. You can find my email address at the contact page.


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

1 thumb

Here's the scan result for sys.sys, thanks to VirusTotal.com:

a-squared 2009.06.26 Trojan.Agent!IK
AhnLab-V3 2009.06.25 -
AntiVir 2009.06.25 TR/Agent.clsj.B
Antiy-AVL 2009.06.26 -
Authentium 2009.06.25 W32/KoobFace.BH
Avast 4.8.1335.0 2009.06.25 Win32:Rootkit-gen
AVG 2009.06.25 Rootkit-Agent.EA
BitDefender 7.2 2009.06.26 -
CAT-QuickHeal 10.00 2009.06.26 -
ClamAV 0.94.1 2009.06.26 -
Comodo 1427 2009.06.26 UnclassifiedMalware
DrWeb 2009.06.26 Trojan.NtRootKit.3021
eSafe 2009.06.25 Win32.TRAgent.clsj.B
eTrust-Vet 31.6.6580 2009.06.26 Win32/Koobface.DU
F-Prot 2009.06.25 W32/KoobFace.BH
F-Secure 8.0.14470.0 2009.06.25 Rootkit.Win32.Agent.lvq
Fortinet 2009.06.26 -
GData 19 2009.06.26 Win32:Rootkit-gen
Ikarus T3. 2009.06.26 Trojan.Agent
Jiangmin 11.0.706 2009.06.26 -
K7AntiVirus 7.10.768 2009.06.19 -
Kaspersky 2009.06.26 Rootkit.Win32.Agent.lvq
McAfee 5657 2009.06.25 -
McAfee+Artemis 5657 2009.06.25 Artemis!BB3A8CE0C325
McAfee-GW-Edition 6.7.6 2009.06.25 Trojan.Agent.clsj.B
Microsoft 1.4803 2009.06.26 VirTool:WinNT/Koobface.gen!B
NOD32 4190 2009.06.26 -
Norman 6.01.09 2009.06.25 -
nProtect 2009.1.8.0 2009.06.26 -
Panda 2009.06.26 -
PCTools 2009.06.25 -
Prevx 3.0 2009.06.26 -
Rising 2009.06.26 -
Sophos 4.43.0 2009.06.26 -
Sunbelt 3.2.1858.2 2009.06.25 Bulk Trojan
Symantec 2009.06.26 -
TheHacker 2009.06.25 Trojan/Agent.lvq
TrendMicro 8.950.0.1094 2009.06.26 WORM_KOOBFACE.ND
VBA32 2009.06.26 -
ViRobot 2009.6.25.1804 2009.06.25 Trojan.Win32.Koobface.9344
VirusBuster 2009.06.25 -

# 26 Jun 2009, 1:02

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