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Virtumonde Infection That Wouldn't Respond To Clean Up


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#1 jackinma

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Posted 17 June 2008 - 11:30 PM

I caught a nasty infection, which AdAware (and Webroot) indicated was a Virtumonde infection, and my Norton AV didn't prevent from infecting my machine (running Windows XP). I tried to clean with AdAware, VundoFix and VirtumundoBeGone. Nothing worked. Every time I opened a browser, I would get lots of pop up browser windows for various web sites (from porno to jewelry to books to schools) and my computer ran like it was mired in molasses. Reading around, I found a reference to Combofix. I downloaded it, put the computer in Safe Mode, and ran Combofix. That fixed the probelm! No more pop ups, and AdAware and other scans indicate no malware.

Don't know who is responsible for Combofix, but whoever designed this great piece of code deserves accolades! Thanks for your fabulous efforts! My machine seems to have found new energy. I do have the log file from Combofix, and I didn't see anyhting that was obviously left over. Do I need to worry about anythning left over?
Thanks.

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#2 jackinma

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Posted 19 June 2008 - 06:06 PM

In reveiwing some of the files that apear to have been removed, I noticed a couple of ActiveX componetns for IE that no longer seem to be there (after running Combofix). Could this have been the source of the pop-ups that infected my machine, or were they simply removed as a precaution? Shoudl turning off all ActiveX controls, then turing on one by one (the Signed ones first) be a good way to fight some of these pop-up attacks? Or is this a dead end or diversion?

#3 boopme

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Posted 20 June 2008 - 10:17 PM

Better yet run this scan and post the log.

Please download Malwarebytes Anti-Malware and save it to your desktop.
alternate download link 1
alternate download link 2
  • Make sure you are connected to the Internet.
  • Double-click on Download_mbam-setup.exe to install the application.
  • When the installation begins, follow the prompts and do not make any changes to default settings.
  • When installation has finished, make sure you leave both of these checked:
    • Update Malwarebytes' Anti-Malware
    • Launch Malwarebytes' Anti-Malware
  • Then click Finish.
  • MBAM will automatically start and you will be asked to update the program before performing a scan. If an update is found, the program will automatically update itself. Press the OK button to close that box and continue. If you encounter any problems while downloading the updates, manually download them from here and just double-click on mbam-rules.exe to install.
  • On the Scanner tab:
    • Make sure the "Perform Quick Scan" option is selected.
    • Then click on the Scan button.
  • If asked to select the drives to scan, leave all the drives selected and click on the Start Scan button.
  • The scan will begin and "Scan in progress" will show at the top. It may take some time to complete so please be patient.
  • When the scan is finished, a message box will say "The scan completed successfully. Click 'Show Results' to display all objects found".
  • Click OK to close the message box and continue with the removal process.
  • Back at the main Scanner screen, click on the Show Results button to see a list of any malware that was found.
  • Make sure that everything is checked, and click Remove Selected.
  • When removal is completed, a log report will open in Notepad and you may be prompted to restart your computer. (see Note below)
  • The log is automatically saved and can be viewed by clicking the Logs tab in MBAM.
  • Copy and paste the contents of that report in your next reply and exit MBAM.
Note: If MBAM encounters a file that is difficult to remove, you will be presented with 1 of 2 prompts. Click OK to either and let MBAM proceed with the disinfection process. If asked to restart the computer, please do so immediately. Failure to reboot will prevent MBAM from removing all the malware.
How do I get help? Who is helping me?For the time will come when men will not put up with sound doctrine. Instead, to suit their own desires, they will gather around them a great number of teachers to say what their itching ears want to hear....Become a BleepingComputer fan: Facebook

#4 jackinma

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Posted 22 June 2008 - 04:13 PM

I ran Malwarebytes, which found a few registry problems that Combofix and AdAware apparently did not remove. Here is the log file:

-----------------------

Malwarebytes' Anti-Malware 1.18
Database version: 879

5:07:47 PM 6/22/2008
mbam-log-6-22-2008 (17-07-47).txt

Scan type: Quick Scan
Objects scanned: 52320
Time elapsed: 8 minute(s), 14 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 1
Registry Values Infected: 1
Registry Data Items Infected: 0
Folders Infected: 0
Files Infected: 3

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MS Juan (Malware.Trace) -> Quarantined and deleted successfully.

Registry Values Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Msiexec (Heuristics.Reserved.Word.Exploit) -> Quarantined and deleted successfully.

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
(No malicious items detected)

Files Infected:
C:\WINDOWS\system32\iifgDtUO.dll.vir (Trojan.Vundo) -> Quarantined and deleted successfully.
C:\WINDOWS\system32\clkcnt.txt (Trojan.Vundo) -> Quarantined and deleted successfully.
C:\WINDOWS\MSIEXEC.EXE (Heuristics.Reserved.Word.Exploit) -> Quarantined and deleted successfully.

-----------------------------


Is there anything else I need to do at this time?

Edited by jackinma, 22 June 2008 - 04:14 PM.


#5 boopme

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Posted 22 June 2008 - 08:57 PM

How is the PC now??

Next do this
Download Attribune's ATF Cleaner and then SUPERAntiSpyware, Free Home Version. Save both to desktop ..
DO NOT run yet.
Open SUPER from icon and install and Update it
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 yet.

Now reboot into Safe Mode: How to enter safe mode(XP)
Using the F8 Method
Restart your computer.
When the machine first starts again it will generally list some equipment that is installed in your machine, amount of memory, hard drives installed etc. At this point you should gently tap the F8 key repeatedly until you are presented with a Windows XP Advanced Options menu.
Select the option for Safe Mode using the arrow keys.
Then press enter on your keyboard to boot into 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 or Opers browser click that browser 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
.

NOW Scan with SUPER
Open from the desktop icon or the program Files list
On the left, make sure you check C:\Fixed Drive.
Perform a Complete scan. After scan,Verify they are all checked.
Click OK on the summary screen to quarantine all found items.
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.

Please ask any needed questions,post log and Let us know how the PC is running now.
How do I get help? Who is helping me?For the time will come when men will not put up with sound doctrine. Instead, to suit their own desires, they will gather around them a great number of teachers to say what their itching ears want to hear....Become a BleepingComputer fan: Facebook

#6 jackinma

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Posted 23 June 2008 - 10:41 AM

I ran both apps, and here is the SuperAntispyware log file :

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

Generated 06/23/2008 at 11:01 AM

Application Version : 4.15.1000

Core Rules Database Version : 3487
Trace Rules Database Version: 1478

Scan type : Complete Scan
Total Scan Time : 00:42:39

Memory items scanned : 182
Memory threats detected : 0
Registry items scanned : 8163
Registry threats detected : 0
File items scanned : 26522
File threats detected : 1

Adware.Vundo Variant
C:\SYSTEM VOLUME INFORMATION\_RESTORE{A8393674-085C-4723-B63E-39928C5F4C89}\RP454\A0034922.DLL

-------------

My system seems to be running fine now.

Thanks!

#7 boopme

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Posted 23 June 2008 - 11:44 PM

Great ,as the infections are gone.

Now you should Set 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 System Restore is a protected directory, your tools can not access it to delete these bad files which sometimes can reinfect your system. 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.
  • Then 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.

How do I get help? Who is helping me?For the time will come when men will not put up with sound doctrine. Instead, to suit their own desires, they will gather around them a great number of teachers to say what their itching ears want to hear....Become a BleepingComputer fan: Facebook




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