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Trying to identify who/what creates autorun.inf on my USB stick..

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#1 Rbid


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Posted 09 October 2008 - 08:32 AM


I'm new, therefore forgive my mistakes if any :thumbsup:

My laptop at work was taken by a collegue of mine and returned with a virus/trojan that does:
- Fixes or generates a new autorun.inf in any USB-stick that is inserted to the PC.
- The autorun.inf has the following text:

shellexecute=/RECYCLER/rrqzrmne.exe navg

- The filename inside the RECYCLER directory changes everytime the file is generated.

For my good luck, the McAfee antivirus detects and destroys the executable.
(The generated executable's size is 114688 bytes)

For my bad luck, The Antivirus tool does not find who is generating the trojan file when the disk-on-key is inserted.
For example, if I go to a different clean computer, format the disk-on-key, and then re-insert the clean disk-on-key on the laptop, the result is that the autorun.inf is generated together with the RECYCLER directory + trojan file which is catched by the antivirus...

The files ara also re-generated if they are deleted (after 10-30 secs)

Does anybody knows about this trojan/virus?...
Who is generating the file? (application/service/dll)?
How can I remove it?

Thanks in advance

--- Rbid

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#2 garmanma


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Posted 09 October 2008 - 03:38 PM

You have a HJT log posted. you should NOT make further changes to your computer (install/uninstall programs, use special fix tools, delete files, edit the registry, etc) unless advised by a HJT Team member, nor should you continue to ask for help elsewhere. Doing so can result in system changes which may not show it the log you already posted. Further, any modifications you make on your own may cause confusion for the helper assisting you and could complicate the malware removal process which would extend the time it takes to clean your computer.

From this point on the HJT Team should be the only members that you take advice from, until they have verified your log as clean.

Please be patient. It may take a while to get a response because the HJT Team members are very busy working logs posted before yours. They are volunteers who will help you out as soon as possible. Once you have made your post and are waiting, please DO NOT make another reply until it has been responded to by a member of the HJT Team. Generally the staff checks the forum for postings that have 0 replies as this makes it easier for them to identify those who have not been helped. If you post another response there will be 1 reply. A team member, looking for a new log to work may assume another HJT Team member is already assisting you and not open the thread to respond.

If after 5 days you still have received no response, then post a link to your HJT log in the thread titled "Haven't Had A Reply In Five Days?".

To avoid confusion, I am closing this topic.
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