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svchost spiking up to 1GB memory usage?
Neo7  posted on May 16, 2015 4:42:45 PM - Report post

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originally posted by Emaschia

originally posted by kingkob

Right click on the file in the task manager and open file location if it's not located in system 32 it's almost a trojan for sure.

Read this it will help you: Link

[Edited by kingkob, 5/16/2015 4:29:09 PM]

svchost is not a trojan. I have it, you most likely have it, even Caliber and 0x90 have it. If it's spiking up to 1 GB memory use there is some other program trying to launch or use a .DLL or multiple .DLL's and isn't having much in terms of success. I figure the best thing to do is keep restarting your computer until it goes back down to safe levels. Currently, my largest use of memory for an svchost process (I have more than one showing up on my TaskManager) is about 327 Megabytes of RAM, out of my total 16000 Megabytes. It's a third of the range the threadstarter said his was at.

It is possible to run malware under a Windows Service and using a svchost process. It is very rare though and commonly used by rootkits and most made these days are well built to avoid detection (which includes performance degradation). More than likely the cause is negligent maintenance habits rather than malware.

Virtually any exe file can be made a service via the sc utility (although remote code execution to do this is very difficult to do). You can read the documentation on how to do it for utility purposes here:


kingkob  posted on May 16, 2015 4:46:28 PM - Report post

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@Emaschia -I know it's not a trojan!
Like I said if it's not located under system 32 it's most likely is a trojan (in disguise).
Just read the link I provided I had the same thing it's usually a mining trojan hogging cpu or gpu.
Ram usage could be merely a negligible side effect especially for those who have 8gb+, check the file's cpu usage but first and foremost check the file location it will give you a better indication.

[Edited by kingkob, 5/16/2015 5:00:45 PM]

OnlyLagKillsMe  posted on May 16, 2015 5:53:21 PM - Report post

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originally posted by DABhand

C+A+D Task Manager
Performance Tab
Press Resource Monitor button at bottom of performance window
Look at CPU list, sort by name so you can see the svchosts and see which side system it is running.

My guess it will be the LocalSystemNetworkRestricted that is spiking.


One hint I will give if you are running 7 or higher, and only have 2GB-4GB RAM, turn off Superfetch.

You can do this via Start Menu > msconfig and run that

Look at the service tab and look for superfetch and disable it.

Superfetch is handy with high amounts of RAM as it will fetch any services or programs you use continually and pre-load them which helps load up apps/games etc faster. Pain in the nut sack when you have low memory, recommended for 8GB+ users.

[Edited by DABhand, 5/16/2015 4:44:14 PM]

pre load them? pre as in before? before what?

DABhand  posted on May 16, 2015 6:26:55 PM - Report post

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As in when windows starts it will pre-load stuff, so when you start one of your favourite apps/games it starts quicker.
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