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W32.Qakbot

Updated: 21 May 2010 | 5 comments
Maximilian's picture
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This issue has been solved. See solution.

We are having huge problems with a variant of this virus. SEP is able to detect but not properly remove. Does anyone know of a removal tool that acutally works.

Qakbot has the ability to dublicate itself with a new name everytime you delete it.

We are using the latest version of SEP MR5 for the console but different versions of clients (MR3 and MR4)

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Prachand's picture
23
Nov
2009
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Did you tried

Did you tried this

http://www.symantec.com/security_response/writeup.jsp?docid=2009-050707-0639-99&tabid=3

Prachand Kumar MCSE-2003 Symantec Technical Specialist (SCTS)

Maximilian's picture
23
Nov
2009
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Yes of course this is the

Yes of course this is the first to try. However it is not right on for our problems. It works on some machines but not for all.

I think that Qakbot has changed somewhat in the way it works and there must be more hidden settings somewhere

Prachand's picture
23
Nov
2009
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Also with the help of this kb

Also with the help of this kb stop the threat from spreading

Title: 'How to use Application and Device Control to limit the spread of a threat.'
Document ID: 2009041514273648
> Web URL: http://service1.symantec.com/support/ent-security.nsf/docid/2009041514273648?Open&seg=ent

create a rule  to block the follwoing

qbot.*
qbotinj.*
crontab.*

Prachand Kumar MCSE-2003 Symantec Technical Specialist (SCTS)

JohnSn's picture
23
Nov
2009
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If you know the file name(s),

If you know the file name(s), have you submitted those files to Symantec yet?

Maximilian's picture
02
Dec
2009
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We created a rule to block

We created a rule to block qbot* creation of folders/files in AD and also with policy in SEP it did not help the first day but after a couple of days most of the viruses have vanished.  

The files have been submitted to Symantec since we have the default settings with submissions in the antivirus policy. I am not sure if the updated signatures since then has had any impact in catching the virus.