Re: CPU Spiking every 9 Seconds
- From: "Kerry Brown" <kerry@xxxxxxxxxxxxxxxxxxx*a*m>
- Date: Fri, 20 Jan 2006 11:52:20 -0800
Some variants of the MyDoom worm hijack stobject.dll. Other malware may use
this method as well. You should scan your computer with several different
anti-spyware and online anti-virus scanners to be sure you haven't caught
something.
Kerry
Davey Jones wrote:
> Thanx Gerry found process explorer to be a very usefull tool in
> detecting CPU spikes.
>
> The spike was in the process "exprorer.exe" with the tool I found
> that a file "stobject.dll" was taking the CPU usage, on killing the
> thread the usage leveled out .
>
> What dose this file do ? why would it be munching CPU usage and is it
> detramental to the running of XP if it is removed ?
>
> Thanx again
>
> Davey Jones
>
>
>
> "Gerry Cornell" wrote:
>
>> Davey
>>
>> Task Manager is useful but you could look at another freeware utility
>> Process Explorer, which provides similar information but adds that
>> little bit extra towards seeing what the running processes represent.
>>
>> For further information about Process Explorer see here:
>>
>> http://www.sysinternals.com/ntw2k/freeware/procexp.shtml
>>
>> To ascertain which service is causing the problem select the
>> image name producing the high CPU usage, right click,
>> select Properties, Services. Note there are the full names and some
>> explanation of what each service does.
>>
>> You will find further information on Services here:
>> http://www.blackviper.com/WinXP/servicecfg.htm
>>
>> To trace the particular Service involved you need to turn off each
>> service in turn and then restore it noting what effect it has on CPU
>> usage. However, you need to take care and watch what other Services
>> are dependent on that service. When you click on the Dependencies
>> tab allow it a little time to display the information.
>>
>>
>> --
>>
>> Hope this helps.
>>
>> Gerry
>> ~~~~
>> FCA
>> Stourport, England
>>
>> Enquire, plan and execute
>> ~~~~~~~~~~~~~~~~~~~
>>
>> "Davey Jones" <DaveyJones@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
>> news:9A0CC7CE-9C88-4214-AFF5-37ADE80BED54@xxxxxxxxxxxxxxxx
>>> Having a Problem with CPU spiking from around 10% to 100% every 9
>>> seconds &
>>> dropping back down after 1 second.
>>>
>>> Have found that the two applications that are taking the all the
>>> processor speed are "System" & "explorer.exe".
>>>
>>> Have ended the process on "explorer.exe" and have found that the
>>> CPU flat lines to about 6% with no more spiking, obviously need
>>> this essential programme to run well pretty much anything.
>>>
>>> This CPU munching is causing major problems with running media,
>>> such as games and Video files.
>>>
>>> PC Spec: -
>>> XP Home Edition Service Pack 2 All updates.
>>> Norton Anti-Virus 2006 fully up-to-date & no viruses detected ,
>>> Using Microsoft AntiSpyware Beta.
>>> NVIDIA Geforce FX550 128mb
>>> CPU 1700Ghz Pentium 4
>>> 512 SDRAM &
>>> All drivers are up to date.
>>>
>>> Any ideas on solving this problem would be appreciated.
>>>
>>> Thanx in advance.
>>>
>>> David Jones
.
- References:
- Re: CPU Spiking every 9 Seconds
- From: Gerry Cornell
- Re: CPU Spiking every 9 Seconds
- From: Davey Jones
- Re: CPU Spiking every 9 Seconds
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