What is grd.sys?
grd.sys is part of GRootkit Application and developed by G DATA Software according to the grd.sys version information.
grd.sys's description is "GRootkitDetector Driver"
grd.sys is digitally signed by G DATA Software Sp. z o.o..
grd.sys is usually located in the 'c:\windows\system32\drivers\' folder.
None of the anti-virus scanners at VirusTotal reports anything malicious about grd.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 grd.sys:
| Property | Value |
|---|---|
| Product name | GRootkit Application |
| Company name | G DATA Software |
| File description | GRootkitDetector Driver |
| Internal name | GRD |
| Original filename | GRD.sys |
| Comments | GRD.sys by M.Gabryszewski |
| Legal copyright | Copyright (C) 2007 G DATA Software |
| Legal trademark | G DATA Software Sp z o.o. |
| Product version | 1, 0, 6, 1 |
| File version | 1, 0, 6, 159 |
Here's a screenshot of the file properties when displayed by Windows Explorer:
| Product name | GRootkit Application |
| Company name | G DATA Software |
| File description | GRootkitDetector Driver |
| Internal name | GRD |
| Original filename | GRD.sys |
| Comments | GRD.sys by M.Gabryszewski |
| Legal copyright | Copyright (C) 2007 G DATA Software |
| Legal trademark | G DATA Software Sp z o.o. |
| Product version | 1, 0, 6, 1 |
| File version | 1, 0, 6, 159 |
Digital signatures [?]
grd.sys has a valid digital signature.
| Property | Value |
|---|---|
| Signer name | G DATA Software Sp. z o.o. |
| Certificate issuer name | VeriSign Class 3 Code Signing 2004 CA |
| Certificate serial number | 4feae21802b857797c5c3b5413e6eea4 |
VirusTotal report
None of the 43 anti-virus programs at VirusTotal detected the grd.sys file.
Hashes [?]
| Property | Value |
|---|---|
| MD5 | 1524d3a6850ee14e88d860c3696100c0 |
| SHA256 | f1bacba8a3ede471e47f9038efd3bf39a8186f035205a2943b39d9c18b560e6e |
What will you do with grd.sys?
To help other users, please let us know what you will do with grd.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.
And now some shameless self promotion ;)
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.
No comments posted yet.