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Confused about svchost.exe

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Name: nbalaji87
Date: December 27, 2005 at 09:11:01 Pacific
OS: Windows XP SP2
CPU/Ram: AMD Turion 64 1.6Ghz/ 512
Comment:

I'm confused about svchost.exe, I currently have 7 svchost's running(4 system, 2 Network service, and 1 Local Service)I heard that in some cases its just a file that is necessary to run Windows XP, but a variant of it is a virus. Also according to Wintasks they (the svchosts) are taking up a good deal of RAM from my computer. When the computer is idle doing nothing its using 40% of my RAM. Can anyone help me?


Peace



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Response Number 1
Name: Bob (by BigBob)
Date: December 27, 2005 at 11:50:31 Pacific
Reply:

See if this help you
svchost.exe

" You're only as safe as your last update "


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Response Number 2
Name: nbalaji87
Date: December 27, 2005 at 15:26:39 Pacific
Reply:

Yeah, thanks, all of my svchosts are in the system32 folder, but i still think its kinda weird that they take up so much of my RAM.

Peace


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Response Number 3
Name: ugnius
Date: December 27, 2005 at 22:53:21 Pacific
Reply:

svchost.exe is a sytem file. but this file is exploited a lot by parasites.
You need to check carefully on spelling.
here is more info on svchost.exe


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Response Number 4
Name: Johnw
Date: December 28, 2005 at 01:16:28 Pacific
Reply:

That's right, scvhost is a virus.

http://startup.networktechs.com/srch-scvhost.exe.html


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Response Number 5
Name: Zenith
Date: December 28, 2005 at 08:40:56 Pacific
Reply:

svchost.exe IS NOT neccessarily a virus. It is needed by Windows. It is just that some viri & worms use svchost to do thier dirty deeds. I would suspect svchost in cases like yours where it shows high CPU usage.

I am logged on to a company network and have a VPN client running also. With XP - I have 4 instances of svchost.exe running. 2 are by SYSTEM, one by NETWORK SERVICE and one by LOCAL SERVICE. All are showing 0% CPU time in Task Manager.

WILL POST FOR FOOD.



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Response Number 6
Name: Johnw
Date: December 28, 2005 at 13:08:37 Pacific
Reply:

Just in case there is confusion here.

"svchost.exe IS NOT neccessarily a virus"
That's right.

But, scvhost.exe is a virus.

http://startup.networktechs.com/srch-scvhost.exe.html


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Response Number 7
Name: OrionCA
Date: December 28, 2005 at 14:43:14 Pacific
Reply:

The bottomline is that viruses sometimes try to hide by pretending to be legitimate Windows system applications running in background. Sometimes they replace the application, sometimes they have a name similar to that of a legitimate application. However an up-to-date AVS running in real time will catch these so if you're not getting a virus warning you're probably OK.

What you have to watch out for are poorly written legitimate programs that open multiple instances of a Windows app like svchost.exe and never close it when done with it. That eats your memory up. Network devices often require this particular app running in background all the time so you're probably OK.


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Response Number 8
Name: nbalaji87
Date: December 29, 2005 at 08:00:22 Pacific
Reply:

Thanks everyone, well my svchosts don't really take up any cpu usage its just that they take up a whole lot of RAM. I use spybot, adaware, and McAfee AV and they don't really catch anything so I guess I'm okay...

Peace


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Response Number 9
Name: Johnw
Date: December 29, 2005 at 13:41:09 Pacific
Reply:

I would do 2 more checks.

ewido security suite free for Windows 2000/XP
http://www.ewido.net/en/features/
http://www.ewido.net/en/download/
Please use the online update after the installation. Only then can the recent signature database be transferred and installed.

Extract from link below, I use Avast myself.
http://www.avast.com/i_idt_153.html
http://www.avast.com/iavs4pro/setupeng.exe
Reregister after 14 months free use ( Still stays free )
http://www.avast.com/i_kat_207.php?lang=ENG
Home edition is a full-featured antivirus package designed for home usage. Our company offers Home Edition free of charge.
"By combining the free AVG anti-virus scanner, the free version of Ewido anti-Trojan scanner and the free Microsoft Antispyware scanner, I managed to achieve a 95% detection rate against a particularly nasty set of 104 assorted malware products that I had downloaded from P2P networks."
By combining the free AVG anti-virus scanner, the free version of Ewido anti-Trojan scanner and the free Microsoft Antispyware scanner, I managed to achieve a 95% detection rate against a particularly nasty set of 104 assorted malware products that I had downloaded from P2P networks.
Ewido Security Suite Setup: Version 3.5
http://rstones12.geekstogo.com/ewidosetup.htm
http://www.techsupportalert.com/issues/issue122.htm
http://www.techsupportalert.com/issues/issue123.htm
http://www.techsupportalert.com/best_46_free_utilities.htm
http://www.techsupportalert.com/issues/back_issues.htm
Trojan and Spyware Tool -- Ewido Security Suite
http://georgeh123.blogspot.com/2005/09/trojan-and-spyware-tool-ewido-security.html
Microsoft Antispyware
http://www.majorgeeks.com/download4466.html


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Response Number 10
Name: nbalaji87
Date: December 31, 2005 at 16:04:11 Pacific
Reply:

Thanks a lot, well I tried everything and it did find one piece of spyware and some tracking cookies, but nothing really big...

Peace


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