Question

Virus increase CPU usage!

Asked by: Abdu_Allah

Hi, What is the new virus that increase CPU usage all the time and how can I get rid from it using Norton anti-virus?

Thanks.

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Asked On
2004-09-20 at 07:23:32ID21137630
Tags

cpu

,

usage

,

increase

Topic

Anti-Virus Applications

Participating Experts
5
Points
50
Comments
12

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Answers

 

by: tekchicPosted on 2004-09-20 at 07:26:01ID: 12102391

Hi Abdu_Allah,

What process is taking up all the CPU usage?  Also here's a link where Norton can be guilty of doing the same: http://www.experts-exchange.com/Applications/Viruses/Q_20716363.html

.: tekchic :.

 

by: Abdu_AllahPosted on 2004-09-20 at 08:11:08ID: 12102829

>What process is taking up all the CPU usage?
SVCHOST.EXE

 

by: Abdu_AllahPosted on 2004-09-20 at 08:12:56ID: 12102845

>Norton can be guilty of doing the same.

Noway, I have installed Norton for more than 2 years, but this problem is new.

 

by: tekchicPosted on 2004-09-20 at 10:01:48ID: 12103996

Here are a few links I found regarding the 100% CPU cycles usage on SVCHOST.EXE.

http://ask-leo.com/svchost_and_svchostexe_crashs_cpu_maximization_viruses_exploits_and_more.html

There's also the "Welchia Worm".....
According Symantec, it produces itself as:
%System%\Wins\Dllhost.exe, then copies itself to your system folder.  Then %System%\Dllcache\Tftpd.exe is cloned as %System%\Wins\svchost.exe

I know this is a basic question, but are all your Norton files up to date?  Personally, I don't think Norton catches "everything".  I use a mixture of both spyware removal tools and virus scanners.  An online one that's free that you might want to try is at http://housecall.antivirus.com.  It doesn't install to your machine, it just runs it online.  I've had it detect worms that Norton missed even after Norton was updated.

Good luck.

 

by: gemchestPosted on 2004-09-21 at 21:46:58ID: 12119803

Hi Abdu_allah,

Do you have your indexing function switched on? cos if it's on and you've just install some big programs, your computer resource will shot like crazy and seems to be hanging up.

to switch this function off, goto control panel>administraive tools>services
switch off "indexing service" and change "startup type" to manual.

reboot the com and should be fine.

cheers,
Luis

 

by: Abdu_AllahPosted on 2004-09-22 at 01:52:06ID: 12120931

gemchest, "indexing service" is already off!

Without any doubt this is a virus and the norton can not see it!
This problem appear if I open the Internet connection and it is continue even if I disconnect.

Thanks.

 

by: akbossPosted on 2004-09-23 at 13:06:41ID: 12137243

Try downloading this free A/V.
AVG
http://www.grisoft.com/us/us_dwnl_free.php

Shut norton down and run this one in safe mode after you have run the updater.

They are really good about getting updates out as fast or faster than norton has.

 

by: acmpPosted on 2004-09-24 at 05:25:33ID: 12142044

svchost is usuall a valid windows componant. But I'd check with PrcView (http://www.prcview.com)

This lets you see the path to the image that is running, very useful. The valid svchost runs from c:\windows\system32 the fake ones tend to run from c:\windows or another 'not system32' folder

If you do have a fake svchost and you AV didn't spot it then I'd change AV (or at least update it and try again)

As no one has mentioned it a good first check is stinger (http://vil.nai.com/vil/stinger). It's a free DL and check for the 30-50 latest 'popular' viruses. NAI update it very regularly so I DL it whenever I think it'll be useful.

If stinger and your chosen AV fail to notice anything then the chances are you don't have a virus.

A hijackthis log may help us to assist further.

acmp<><

 

by: petebarrPosted on 2004-09-24 at 11:18:04ID: 12146064

how long is  a piece of string!

 

by: tekchicPosted on 2004-09-24 at 13:50:19ID: 12147522

petebarr -- What the heck are you talking about?

 

by: Abdu_AllahPosted on 2004-10-08 at 12:39:44ID: 12262285

20120131-EE-VQP-002

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