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Suspected Bitcoin Miner Hurting my GPU


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Hello! Thanks for checking out my topic. I'm pretty much at wits' end...

What I'm 99% certain was a bitcoin miner killed my previous graphics card and now my current one's acting up as well in the exact same way not two weeks afterwards (Blackscreen, NVidia Display Driver Has Stopped Working and had to be restarted, with whatever game I'm running crashing when that happens - even non-demanding games like say, ).

The bitcoin miner used to have my svchost eat up like 50% of my processor, but nowadays it's not so bad(still eats up a lot of memory and multiple svchost.exe are up there). I've done pretty much all I know how to do, from Malwarebytes' threat scans to a complete system scan(Took like 3 hours on my 1 TB drive), to Spybot Search & Destroy scans and immunization, I don't even know what to do anymore. My most recent MWBAM scan went well, it turned out empty.

This problem has been an issue for months by now(It took months to save up for a new graphics card), and the last system restore point is WELL past. So, I can't really do that, either.

Here's all the logs I could produce (NOTE: Because I don't entirely know how to use hijackthis, I did not make it fix anything. Only scan and produce a log.)

FRST.txt

Addition.txt

MBAM Scanlog.txt

hijackthis.log

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  • Root Admin

Hello @Ellariel and :welcome:

Let me have you run the following please.

 

Please visit this web page and read the ComboFix User's Guide:

  • Once you've read the article and are ready to use the program you can download it directly from the link below.
  • Important! - Please make sure you save combofix to your desktop and do not run it from your browser
  • Direct download link for: ComboFix.exe
  • Please make sure you disable your security applications before running ComboFix.
  • Once Combofix has completed it will produce and open a log file.  Please be patient as it can take some time to load.
  • Please attach that log file to your next reply.
  • If needed the file can be located here:  C:\combofix.txt
  • NOTE: If you receive the message "illegal operation has been attempted on a registry key that has been marked for deletion", just reboot the computer.

 

Thanks

Ron

 

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Hello, @AdvancedSetup! Thank you so much for checking out this thread. You're awesome.

 

I've done as you've instructed and attached the log. Oh, let me know when/if I should try and run visually-intensive stuff again to see if I get another blackscreen. I've still got 12 svchost.exes running and I'm not really sure if that's normal or a sign of an issue. Either way, thanks again!

ComboFix.txt

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  • Root Admin

Let's do a few more scans.

 

Please download the following scanner from Kaspersky and save it to your computer: TDSSkiller

Then watch the following video on how to use the tool and make sure to temporarily disable your security applications before running TDSSkiller.

PC Winvids - How to run Kaspersky TDSSKiller

If any infection is found please make sure to choose SKIP and post back the log in case of a False Positive detection.

Once the tool has completed scanning make sure to re-enable your other security applications.

 

 

Once that is done let me have you run these scans again.

Please run the following steps and post back the logs as an attachment when ready.

STEP 01

  • If you're already running Malwarebytes 3 then open Malwarebytes and check for updates. Then click on the Scan tab and select Threat Scan and click on Start Scan button.
  • If you don't have Malwarebytes 3 installed yet please download it from here and install it.
  • Once installed then open Malwarebytes and check for updates. Then click on the Scan tab and select Threat Scan and click on Start Scan button.
  • Once the scan is completed click on the Export Summary button and save the file as a Text file to your desktop or other location you can find, and attach that log on your next reply.
  • If Malwarebytes won't run then please skip to the next step and let me know on your next reply.

STEP 02

Please download AdwCleaner by Malwarebytes and save the file to your Desktop.

  • Right-click on the program and select RunAsAdmin.jpg Run as Administrator to start the tool.
  • Accept the Terms of use.
  • Wait until the database is updated.
  • Click Scan.
  • When finished, please click Clean.
  • Your PC should reboot now if any items were found.
  • After reboot, a log file will be opened. Copy its content into your next reply.

 

RESTART THE COMPUTER Before running Step 3

STEP 03
Please download the Farbar Recovery Scan Tool and save it to your desktop.

Note: You need to run the version compatible with your system. You can check here if you're not sure if your computer is 32-bit or 64-bit

  • Double-click to run it. When the tool opens, click Yes to disclaimer.
  • Press the Scan button.
  • It will make a log (FRST.txt) in the same directory the tool is run. Please attach it to your reply.
  • The first time the tool is run, it also makes another log (Addition.txt). If you've, run the tool before you need to place a check mark here.
  • Please attach the Additions.txt log to your reply as well.

 

Thanks

Ron

 

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  • Root Admin

Please download the attached fixlist.txt file and save it to the Desktop.
NOTE. It's important that both files, FRST or FRST64 and fixlist.txt are in the same location or the fix will not work.

NOTICE: This script was written specifically for this user, for use on this particular machine. Running this on another machine may cause damage to your operating system.

Run FRST or FRST64 and press the Fix button just once and wait.
If the tool needs a restart please make sure you let the system restart normally and let the tool complete its run after restart.
The tool will make a log on the Desktop (Fixlog.txt). Please attach or post it to your next reply.

Note: If the tool warned you about an outdated version please download and run the updated version.

fixlist.txt

Thanks

Ron

 

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Things work well for hours on-end. It seems like after about the 5 hour mark the video card blackscreens again. I've managed to fix it by underclocking it and lowering the amount of power it's allotted. I'm starting to reconsider the issue not being hardware-centric, though that means it's either the motherboard or the PSU. I'll ask in more specialized hardware-focused forums, knowing at least that it's not a malware issue.

 

That said, you've been of great help, @AdvancedSetup - and virtually every other problem the computer had is now fixed thanks to you(a weird lil popup on startup and shutdown to name but a couple), and I can't thank you enough for your aid. 

 

I'm very grateful, and wish you only the best going forward.

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  • Root Admin

Glad we could help.

If you need this topic reopened, please send a Private Message to any one of the moderating team members. Please include a link to this topic with your request.

This applies only to the originator of this thread.Other members who need assistance please start your own topic in a new thread.

Thanks

 

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