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Variant Of Win32/adware.virtumonde Application


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5 replies to this topic

#1 stelan

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Posted 02 January 2008 - 03:04 PM

Hi everyone,

I have been using NOD32 for quite some time now and I have been getting pop-up messages recently about this virtumonde virus which I simply cannot remove. I have visited numerous forums have tried numerous approaches but the pop up keeps coming and coming...

In the beggining it was just a dll file which was stuck on my system32 folder which I removed. I also clened the registry value however for the last week or so I have been getting the following message which u can see on the attached file.

Could anybody PLEASE help me?

Thanks a lot in advance!

virtumonde

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#2 quietman7

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Posted 02 January 2008 - 03:58 PM

Please follow the the instructions for using Vundofix in BC's self-help tutorial: "How To Remove Vundo/Winfixer Infection".

After running VundoFix, a text file named vundofix.txt will have automatically been saved to the root of the system drive, usually at C:\vundofix.txt. Please copy & paste the contents of that text file into your next reply.

Please download ATF Cleaner by Atribune & save it to your desktop. DO NOT use yet.
Please download and install SUPERAntiSpyware Free
  • Double-click SUPERAntiSypware.exe and use the default settings for installation.
  • An icon will be created on your desktop. Double-click that icon to launch the program.
  • If asked to update the program definitions, click "Yes". If not, update the definitions before scanning by selecting "Check for Updates". (If you encounter any problems while downloading the updates, manually download them from here and unzip into the program's folder.)
  • Under the "Configuration and Preferences", click the Preferences... button.
  • Click the "General and Startup" tab, and under Start-up Options, make sure "Start SUPERAntiSpyware when Windows starts" box is unchecked.
  • Click the "Scanning Control" tab, and under Scanner Options, make sure the following are checked (leave all others unchecked):
    • Close browsers before scanning.
    • Scan for tracking cookies.
    • Terminate memory threats before quarantining.
  • Click the "Close" button to leave the control center screen and exit the program.
  • Do not run a scan just yet.
Reboot your computer in "Safe Mode" using the F8 method. To do this, restart your computer and after hearing your computer beep once during startup (but before the Windows icon appears) press the F8 key repeatedly. A menu will appear with several options. Use the arrow keys to navigate and select the option to run Windows in "Safe Mode".

Double-click ATF-Cleaner.exe to run the program.
  • Under Main "Select Files to Delete" choose: Select All.
  • Click the Empty Selected button.
  • If you use Firefox browser click Firefox at the top and choose: Select All
  • Click the Empty Selected button.
    If you would like to keep your saved passwords, please click No at the prompt.
  • If you use Opera browser click Opera at the top and choose: Select All
  • Click the Empty Selected button.
    If you would like to keep your saved passwords, please click No at the prompt.
  • Click Exit on the Main menu to close the program.
Note: On Vista, "Windows Temp" is disabled. To empty "Windows Temp" ATF-Cleaner must be "Run as an Administrator".

Scan with SUPERAntiSpyware as follows:
  • Launch the program and back on the main screen, under "Scan for Harmful Software" click Scan your computer.
  • On the left, make sure you check C:\Fixed Drive.
  • On the right, under "Complete Scan", choose Perform Complete Scan and click "Next".
  • After the scan is complete, a Scan Summary box will appear with potentially harmful items that were detected. Click "OK".
  • Make sure everything has a checkmark next to it and click "Next".
  • A notification will appear that "Quarantine and Removal is Complete". Click "OK" and then click the "Finish" button to return to the main menu.
  • If asked if you want to reboot, click "Yes" and reboot normally.
  • To retrieve the removal information after reboot, launch SUPERAntispyware again.
    • Click Preferences, then click the Statistics/Logs tab.
    • Under Scanner Logs, double-click SUPERAntiSpyware Scan Log.
    • If there are several logs, click the current dated log and press View log. A text file will open in your default text editor.
    • Please copy and paste the Scan Log results in your next reply.
  • Click Close to exit the program.

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#3 stelan

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Posted 04 January 2008 - 12:43 PM

Hi again,

Followed your instructions then and this is the result:

VundoFix found no infections on my PC, same thing with Virtumundobegone. I then downloaded the two pieces of software you suggested and followed the instaction through. I was infected indeed according to the SUPERantispyware software with both winfixer and virtumonde.....

Here is the Log:

SUPERAntiSpyware Scan Log
http://www.superantispyware.com

Generated 01/04/2008 at 05:04 PM

Application Version : 3.9.1008

Core Rules Database Version : 3373
Trace Rules Database Version: 1368

Scan type : Complete Scan
Total Scan Time : 02:00:16

Memory items scanned : 186
Memory threats detected : 1
Registry items scanned : 7118
Registry threats detected : 10
File items scanned : 73308
File threats detected : 1

Trojan.WinFixer
C:\WINDOWS\SYSTEM32\URSTQ.DLL
C:\WINDOWS\SYSTEM32\URSTQ.DLL
HKLM\Software\Classes\CLSID\{0D91F120-9218-4826-B750-E34551920E47}
HKCR\CLSID\{0D91F120-9218-4826-B750-E34551920E47}
HKCR\CLSID\{0D91F120-9218-4826-B750-E34551920E47}\InprocServer32
HKCR\CLSID\{0D91F120-9218-4826-B750-E34551920E47}\InprocServer32#ThreadingModel
HKLM\Software\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0D91F120-9218-4826-B750-E34551920E47}

Adware.Vundo Variant
HKLM\Software\Classes\CLSID\{A74F3FC3-CC9A-4D4C-AFB5-B56F0CAA445D}
HKLM\Software\Microsoft\Windows\CurrentVersion\Explorer\ShellExecuteHooks#{A74F3FC3-CC9A-4D4C-AFB5-B56F0CAA445D}
HKCR\CLSID\{A74F3FC3-CC9A-4D4C-AFB5-B56F0CAA445D}
HKCR\CLSID\{A74F3FC3-CC9A-4D4C-AFB5-B56F0CAA445D}\InprocServer32
HKCR\CLSID\{A74F3FC3-CC9A-4D4C-AFB5-B56F0CAA445D}\InprocServer32#ThreadingModel

However after the quaranty/remove process and after i restarted my computer I got a nice BLUE SCREEN which I hadnt seen since Win98 years and years ago. I guess some value of the registry should not be deleted. By the way I restarted in safe mode and the URSTQ.DLL was still there and it wouldnt be removed manually which made me download little program called UNDLL which apparently removes infected dlls that cannot be manually removed. Moreover, I had to restore all the quaranted items back in order to restart my computer normally. So I guess we are back at square 1...hehe...

Any help would be greatly appreciated...

Thanks a lot in advance guys!

#4 quietman7

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Posted 04 January 2008 - 02:33 PM

Lets have a deeper look as to what's causing your problems by creating and posting a hijackthis log.

Please read and follow all instructions in the pinned topic titled "Preparation Guide For Use Before Posting A Hijackthis Log". You may have performed some of these steps already. If you can't perform a step, then skip and continue with the next. In step #9 there are instructions for downloading HijackThis and creating a log. (This is a self-extracting version which will automatically install the current version of HJT in the proper location.) If using Windows Vista, be sure to Run As Administrator.

When you have done that, post your log in the HijackThis Logs and Malware Removal forum, NOT here, for assistance by the HJT Team Experts. A member of the Team will walk you through, step by step, on how to clean your computer. If you post your log back in this thread, the response from the HJT Team will be delayed because your post will have to be moved. This means it will fall in line behind any others posted that same day.

Start a new topic, give it a relevant title and post your log along with a brief description of your problem, a summary of any anti-malware tools you have used and a summary of any steps that you have performed on your own. Please include the top portion of the HijackThis log that lists version information. An expert will analyze your log and reply with instructions advising you what to fix. After doing this, we would appreciate if you post a link to your log back here so we know that your getting help from the HJT Team.

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 "bump" your post or 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.
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#5 stelan

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Posted 04 January 2008 - 04:26 PM

Hi again,

Thanks for all your patience and support.

After I restored the files while I was in safe mode I restarted my computer in normal mode. I then scaned my computer with SUPERAntispyware which found exactly the same threats as before. I then started deleting the files and registry values one by one restarting my computer every single time in order to try and determine what caused the blue screen and as a result the failure in restarting my O.S. Surprisingly I managed to delete all the threats and registry values. I have now scanned my computer for the final time and was happy to find out that there were no more infected files. Hope its all good now. I guess i'll just have to wait and see...

Thanks a lot once more guys!

#6 quietman7

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Posted 04 January 2008 - 06:25 PM

If there are no more problems or signs of infection, there is no need to post a hijackthis log.

Now you should Create a New Restore Point to prevent possible reinfection from an old one. Some of the malware you picked up could have been saved in System Restore. Since this is a protected directory your tools cannot access to delete these files, they sometimes can reinfect your system if you accidentally use an old restore point. Setting a new restore point AFTER cleaning your system will help prevent this and enable your computer to "roll-back" to a clean working state.

The easiest and safest way to do this is:
  • Go to Start > Programs > Accessories > System Tools and click "System Restore".
  • Choose the radio button marked "Create a Restore Point" on the first screen then click "Next". Give the R.P. a name, then click "Create". The new point will be stamped with the current date and time. Keep a log of this so you can find it easily should you need to use System Restore.
  • Then use Disk Cleanup to remove all but the most recently created Restore Point.
  • Go to Start > Run and type: Cleanmgr
  • Click "OK".
  • Click the "More Options" Tab.
  • Click "Clean Up" in the System Restore section to remove all previous restore points except the newly created one.

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