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Virtumonde/Vundo Quick Fix


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#1 scottaculous

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Posted 28 December 2008 - 12:14 AM

After trying SUPERAntiSpyware, SpyBot, and all sorts of anti-virus programs to remove this beast, I finally found a simple solution that worked for me.

Before you start, uninstall your Java RunTime Environment, if you don't have the latest version. This malware exploits an older version's vulnerability.

The fix in found in the comments section of this article. Basically, you deny access of those dlls to yourself. Reboot your machine in SafeMode and you'll get popup message(s) that says xxxxxxx.dll was denied access. Then go into the registry and delete those dll entries and you should be good to go. At this point, your anti-virus should find these malware dlls and start the quarantine. You can also manually delete these dlls in your C:\Windows\system32\ directory. These files are marked hidden so you may have to set your windows explorer to see them. Hope this helps.

http://blog.techiezone.in/2008/09/how-to-d...table-dll-file/

I have dealt with this malware before. It is a beast to get rid of.
It is a winlogon malware piece; it installs an entry into HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify while it is running. If you delete one of those that points to the random-named dll's, it will create another one.
If you don't have access to those tools there is another way to do it with just command line tools
1) Find the dll's with funky random names in HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify
2) Open a command line and run:
2a) cacls C:\path-to-randomsdf902.dll /D Everyone
2b) attrib -R -A -S -H C:\path-to-randomsdf902.dll
* These programs will deny all access for this dll to run or do anything
3) Reboot and make sure that no more entries were put in HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify
All spyware stuff should be removed in Safe Mode (keep pressing F8 on reboot - choose safe mode with no networking); this helps out a lot especially if the machine is really bad and bogged down



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#2 KoanYorel

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Posted 07 January 2009 - 11:14 PM

Hello and welcome to Bleeping Computer

We apologize for the delay in responding to your request for help. Here at Bleeping Computer we get overwhelmed at times, and we are trying our best to keep up. Please note that your topic was not intentionally overlooked. Our mission is to help everyone in need, but sometimes it takes just a little longer to get to every request for help.

If you have since resolved the original problem you were having, we would appreciate you letting us know. If not please perform the following steps below so we can have a look at the current condition of your machine. If you have not done so, include a description of your problem, along with any steps you may have performed so far.

Upon completing the steps below a staff member will review and take the steps necessary with you to get your machine back in working order clean and free of malware.


Thanks and again sorry for the delay.

We need to see some information about what is happening in your machine. Please perform the following scan:
  • Download DDS by sUBs from one of the following links. Save it to your desktop.
  • Double click on the DDS icon, allow it to run.
  • A small box will open, with an explaination about the tool. No input is needed, the scan is running.
  • Notepad will open with the results, click no to the Optional_Scan
  • Follow the instructions that pop up for posting the results.
  • Close the program window, and delete the program from your desktop.
Please note: You may have to disable any script protection running if the scan fails to run. After downloading the tool, disconnect from the internet and disable all antivirus protection. Run the scan, enable your A/V and reconnect to the internet. Information on A/V control HERE

This may seem repetitive, but we need to see the current status of your system, please.
Please Hold on it may take us a day or so to get back with you.

R,
K
The only easy day was yesterday.

...some do, some don't; some will, some won't (WR)

#3 KoanYorel

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Posted 12 January 2009 - 09:47 AM

Due to the lack of feedback, this Topic is now closed.

If you still have problems, please Start a new topic.

R,
K
The only easy day was yesterday.

...some do, some don't; some will, some won't (WR)




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