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Spy-Agent.bw!rootkit

My McAfee scan indicates the following infection:

Spy-Agent.bw!rootkit
File:Memory\NTQueryDirectoryFile

The McAfee scan says that it removed the virus, however if I immediately do another scan it removes the virus again....so obviously it is coming back.

System restore is turned off in XP.

A search for this virus in the McAfee database for this virus comes up with nothing so maybe this is a new version?

I have looked at the information for the Spy-Agent.bw virus and it appears that I do have some of the Registry Values it creates, however I am reluctant to use Regedit to delete those values as I am no expert with registry values.

I have tried Stinger and the Rootkit Detective based on some recomendations I read in this forum but had no luck with those.

In addition I recently received a letter from a web site that I use to pay bills that my account may have been compromised due to a virus on my computer. This must be the virus they are refering to as it seems to be the only one I have.

Any help would be appreciated.
3 Replies
Reliable Contributor exbrit
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Message 2 of 4

RE: Spy-Agent.bw!rootkit

It is documented in the McAfee database here: http://vil.nai.com/vil/content/v_144031.htm

It should be removable. Try a safe mode scan, reached by tapping F8 repeatedly while booting up. Then go to My Computer and right-click the hard drive and select "Scan".

You'll just see an extra taskbar icon. Hovering over it gives a progress report.

Alternatively run the free version of this tool: http://www.superantispyware.com/superantispywarefreevspro.html

If all else fails run Hijackthis and post its log on one of the following forums for expert advice:

Do not post the log here, we can't help!

DOWNLOAD HIJACKTHIS

Post the logs at a specialist Forum:

AUMHA FORUM

BLEEPING COMPUTER FORUM

CASTLECOPS FORUM

GEEKS TO GO FORUM

MAJOR GEEKS FORUM

MALWARE REMOVAL FORUM

SPYWARE INFO FORUM

TECH SUPPORT GUY FORUM

WHAT THE TECH FORUM (Formerly Tom Coyote)

Be sure to read all the sticky announcements/instructions at the top of each malware forum!

Cleaned

Thank you for your help. It appears I finally removed the virus.

Here's what I did. Please don't try this as I am no expert but it worked in my case (I got lucky)

Numerous Mcafee scans in safe mode did the same thing. McAfee said it removed the virus but it was right back on the next scan.

Also, a SUPERAntiSpyware detected nothing.

I went to the registry and modified the userint entry by deleting "c:\WINDOWS\system32\oembios.exe" to make the entry just "C\WINDOWS\system32\userinit.exe" to make that computer match what the entry looked like on my laptop (which is virus free).

Then I renamed that registry entry to OLD. That worried me but after a reboot there was a new userinit entry which contained only "C\WINDOWS\system32\userinit.exe". The OLD that I renamed was still there and also contained just "C\WINDOWS\system32\userinit.exe"

I also downloaded Mcafee Rootkit Detective and ran it. I terminated all of the import/export hooks that pertained to the NTQueryDirectoryFile.


After a reboot the computer started up the way it used to pre-virus with my user name (it was starting up with no user identified) and a new Mcafee scan finally reported no virus.

Again, after 2 days and alot of research and scans by different programs, I got lucky.
Reliable Contributor exbrit
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Message 4 of 4

RE: Cleaned

Good for you. I probably wouldn't have thought of that. Well good luck to you and I'm glad it's fixed.

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