Windows Defender found this file in my system32\drivers directory: gfdriver.sys. Anyone have any idea what this file may be?

I'm normally very careful where I browse and what I download, so I'm curious how I might have got it. Where does it come from and what can I do to not download this again?

Thanks for any help, Google didn't really find any solid information.


I do not see this on any of my Windows 10 machines, and to the best of my knowledge, it is appropriate for Windows Defender to quarantine it.

You can remove from Quarantine or it will disappear on its own in a few days.

[WD Quarantine gfdriver1

I did see this that may help you with where it came from:

Quote from a Microsoft Answers thread:

I used to have (I think so) a virus called Quick Driver Updater that I got from a cracked game

Driver Update Apps are all over the place in Ads on websites.

  • Thanks. That Microsoft link is blank for me (it literally says "no technical details are available") but searching for "Quick Driver Updater virus" got me some useful information where to look. Here's a link from Malware bytes: forums.malwarebytes.com/topic/… – markspace Feb 11 at 18:58
  • I didn’t post a link because there are so many Driver Updaters. But I am pleased you posted some additional information. – John Feb 11 at 19:00

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