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Author Topic: scvhost eating my CPU cycles. How to stop it?  (Read 865 times)

Truean

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scvhost eating my CPU cycles. How to stop it?
« on: May 25, 2013, 05:33:51 pm »

My computer seemingly for no reason turned itself off. Desktop, fairly new, etc. Ran safe mode, found virus with malwarebytes, got rid of it (I think).

Looking at Resource Monitor, I can see there is an svchost.exe hogging the CPU cycles up to 100% on task manager. I've suspended it in resource monitor, but it restarts occasionally, to hog my CPU sometimes, not sure why. I get that this is what happened when Microsoft moved from exe files to dll, and that basically this service host file is dealing with those dll files. Problem being, this is killing my computer speed.

Spoiler (click to show/hide)

I terminate or suspend the process hogging my CPU and things speed right up, amazingly with no ill effects. Problem: this isn't a permanent solution. Is there one?

Can I further isolate and delete whatever is hogging my CPU if that is safe, or is there some other remedy here?
« Last Edit: May 25, 2013, 05:43:23 pm by Truean »
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Il Palazzo

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Re: scvhost eating my CPU cycles. How to stop it?
« Reply #1 on: May 25, 2013, 06:14:24 pm »

Have you seen this thread?
http://www.bay12forums.com/smf/index.php?topic=125531.0
A few solutions are discussed there.
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Truean

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Re: scvhost eating my CPU cycles. How to stop it?
« Reply #2 on: May 25, 2013, 09:42:41 pm »

Thank you very much. I did not see that. Though, it appears the virus is alive and well. I can't really start my desktop in anything but safe mode. Let's hope system restore works, or failing that, factory reset with e everything backed up on a 3 TB external hard drive. (sigh)
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The kinda human wreckage that you love

Current Spare Time Fiction Project: (C) 2010 http://www.bay12forums.com/smf/index.php?topic=63660.0
Disclaimer: I never take cases online for ethical reasons. If you require an attorney; you need to find one licensed to practice in your jurisdiction. Never take anything online as legal advice, because each case is different and one size does not fit all. Wants nothing at all to do with law.

Please don't quote me.

miauw62

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Re: scvhost eating my CPU cycles. How to stop it?
« Reply #3 on: May 26, 2013, 05:26:10 am »

Try combofix.
It's pretty efficient for removing things that MBAM can't get rid of.
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foil

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Re: scvhost eating my CPU cycles. How to stop it?
« Reply #4 on: May 26, 2013, 06:40:20 am »

Do you use Internet Explorer?  If so best thing to do is download a modern browser and instal Adblock Plus.  Closes the biggest floodgate for viruses straight away, then try to fix whats wrong with the pc.

Could you download Autoruns from Microsoft and take a screenshot of the "everything" tab?

Microsoft moved the computers services out from the kernel and into svchost processes so that when a service crashed it wouldnt crash the whole system.
« Last Edit: May 26, 2013, 06:43:59 am by foil »
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Truean

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Re: scvhost eating my CPU cycles. How to stop it?
« Reply #5 on: May 26, 2013, 01:07:44 pm »

Firefox.

Now I'm getting blue screens of death every couple of restarts, though that was happening before I ever opened resource monitor.

Really hoping I can system restore to factory condition from a partition like I did before once, even though it's not letting me.

Other than that, I got all my data off and tried several restore points [sigh]. Trying to load this thing in safe mode again....
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The kinda human wreckage that you love

Current Spare Time Fiction Project: (C) 2010 http://www.bay12forums.com/smf/index.php?topic=63660.0
Disclaimer: I never take cases online for ethical reasons. If you require an attorney; you need to find one licensed to practice in your jurisdiction. Never take anything online as legal advice, because each case is different and one size does not fit all. Wants nothing at all to do with law.

Please don't quote me.