Huge Non-Paged Memory Leak?

Zeallot · Jan 18, 2014

For the past few days my computer has been choking a bunch. After running RamMap, I discovered that the computer has 5gb of Non Pages Memory being used. I have 8gb of ram, and running only Chrome and VLC (Neither should be the issue), I recieve a 97% load on the memory. After rebooting the pool goes down again, but begins to refill over time. How can I find out what program is causing the leak?

After Reboot:

Alec Mowat · Jan 18, 2014

Task Manager should tell you.
Ctrl+Alt+Delete
Go to processes and sort by memory usage

smorizio · Jan 18, 2014

run malware bytes scan and hitman pro see if it a virus. use mscondig and turn off stuff in the start up tab you dont need running at start up. also click on the prossese tab it show you what app eating your ram.

Zeallot · Jan 18, 2014

For some reason the photos of task manager didn't link in the post
http://gyazo.com/3570574eca5a53b297c62d097a5ee0bf
http://gyazo.com/9a88bbd9587ddaf1523875dce8c356d0

I wish it was as simple as that Alec. I'll check msconfig (havn't done that in awhile).
I think it might be something that ran and then was closed or something.
Edit: I disabled some of the things in msconfig startup, but I didn't have much starting to begin with.

Alec Mowat · Jan 18, 2014

Click "Show processes from all users"

Agree with the second poster though, it's most likely a virus.

Zeallot · Jan 18, 2014

Alec Mowat :

http://gyazo.com/ce2a09df8e969a46b73bec467cbbeeb6
http://gyazo.com/32371c31908366e909ad382ad4bfff22

Had already checked that before, as for Task Manager being of use, its not showing what could be drawing it.

Alec Mowat · Jan 18, 2014

Well, there's a ton of Chrome 32 windows open. How many tabs do you have open in Chrome? That's 12 x 32 MB. That's like half a Gig.

But your resources are only at 42%? That's normal for Windows 7 or 8.

Do you have a screen where it's 92%?

Zeallot · Jan 18, 2014

Alec Mowat :

That was after reboot, unfortunatly I don't have one from before. But the images are the same. The processes listed, the displayed "Memory" and "NP Pools" are the same in Task Manager now as they were before.. It changed in RamMap only.

Alec Mowat · Jan 18, 2014

Zeallot :

When it does it again, post a new screen shot of it up to 92% and we can analyze.

I'd still run an AV scan with Malware bytes, it's most likely a virus.

Are you overclocking?

Zeallot · Jan 18, 2014

Alec Mowat :

Zeallot :

When it does it again, post a new screen shot of it up to 92% and we can analyze.

I'd still run an AV scan with Malware bytes, it's most likely a virus.

Are you overclocking?

Im running scans on both MalwareBytes and on Avast. I'll post the results when they are done.
The system isn't overclocked, and ill be monitoring it for the next spike. Ill post results when it happens.

Alec Mowat · Jan 18, 2014

Task Manager should show you everything.

Sysinternals was a company that was purchased by MS years ago, most of those tools are integrated into the OS now. I wouldn't bother with the ram tools.

If you see a Windows service using most of the memory, like svhost, you can use Process Explorer to see what application specifically is running in that instance.

Zeallot · Jan 18, 2014

So here is the results from the virus scan, in addition when the leak hit 90ish% load on the memory.
http://imgur.com/a/SYMq3
I was unable to load RamMap this time for a screenshot. In addition desktop window manager seemed to crash, and each time I would try to restart the service it would crash again. After restart I can use it again in the mean time. Malwarebytes crashed during the scan last time, so those are avast results. I'll try and run another one for malwarebytes (as it usually finds more). Most look like false positives.

Edit: Sorry for not hitting "Show all user processes". Scrub move lmfao.

Alec Mowat · Jan 19, 2014

Click "Show processes from all users" and sort by Memory. Expand the window too so we can see more programs listed.

Does Chrome have any addons? Remove them all.

I would consider switching from Chrome to Firefox.

Alec Mowat · Jan 19, 2014

Yikes, you have some nasty virus infections.

Redo the av scan in safe mode

Zeallot · Jan 19, 2014

Alec Mowat :

Other than the ones under "parents computer", the rest are keygens that I have used for a while. I cleared the viruses with avast, and I talked to a friend of mine who suggested increasing my paging file. After doing that and running Windows 7 Manager, I left the computer on overnight. Didn't seem to reach a load and is running as normal, for now.

Alec Mowat · Jan 19, 2014

Zeallot :

The page file should be 10% the size of the disk. Windows default should be fine. Check the pages faults in the resource monitor under performance. if you are getting ~100 page faults, that means you are still using too much RAM.

Still, my system has been running for 2 - 3 days, same chip as you with 16G RAM. Only using 2.6, and I've been running a datarecovery on a 1TB disk for a day now.

The Keygens might be a virus, it happens. Move them to USB and redo the scan.

Zeallot · Jan 24, 2014

So I found the source of what was causing the memory leak. The issue was believe it or not Uplay. I was trying to download Assassins Creed 4, and when it was downloading it was causing the memory leak. After the download finished, I haven't had the issue since. And the issue was only occurring when the download was running. Thanks for all the help guys. Cheers.

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