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Koobface infection = Help needed


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8 replies to this topic

#1 jlsaunders

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Posted 03 September 2009 - 09:35 AM

Hi,

My laptop got infected with the koobface virus while I was using facebook.

I have run spyware and malware and deleted the contaminated files (4) but I'm still having problems with my computer. When I log on I get the follwing error message 'loading model error. load default model?' It also blue screens regularly and I get the following message when I log off 'the instruction at 0x000f2fc0 referenced memory at 0x000f2f0. The memory could not be written. Click ok to terminate the program. Click cancel to debug the program'.

Any help at all with removing the remnants of the virus would be greatly appreciated.

Thanks!

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#2 quietman7

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Posted 03 September 2009 - 09:22 PM

Please download Malwarebytes Anti-Malware (v1.40) and save it to your desktop.
alternate download link 1
alternate download link 2

MBAM may "make changes to your registry" as part of its disinfection routine. If using other security programs that detect registry changes (ie Spybot's Teatimer), they may interfere or alert you. Temporarily disable such programs or permit them to allow the changes.
  • Make sure you are connected to the Internet.
  • Double-click on 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 definition 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.
  • 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. Be sure to post the complete log to include the top portion which shows MBAM's database version and your operating system.
  • Exit MBAM when done.
Note: If MBAM encounters a file that is difficult to remove, you will be asked to reboot your computer so MBAM can proceed with the disinfection process. If asked to restart the computer, please do so immediately. Failure to reboot normally (not into safe mode) will prevent MBAM from removing all the malware.

-- If Malwarebytes Anti-Malware results in any error messages, please refer to Fixes for common problems and Error Codes. Some issues with errors can be related to malware infection but others are not.
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#3 jlsaunders

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Posted 04 September 2009 - 09:55 AM

Hi,

Thanks for your help.

I ran malwarebytes a couple of days ago and quarantined and deleted the koobface files. I've just run it again and nothing is showing up. Please find both logs below:

Log one

Malwarebytes' Anti-Malware 1.40
Database version: 2733
Windows 5.1.2600 Service Pack 2

03/09/2009 01:00:50
mbam-log-2009-09-03 (01-00-50).txt

Scan type: Full Scan (C:\|D:\|)
Objects scanned: 190929
Time elapsed: 37 minute(s), 37 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 0
Registry Values Infected: 0
Registry Data Items Infected: 0
Folders Infected: 0
Files Infected: 4

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
(No malicious items detected)

Registry Values Infected:
(No malicious items detected)

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
(No malicious items detected)

Files Infected:
C:\Documents and Settings\Jaime-Lee\Local Settings\Temporary Internet Files\Content.IE5\0XTQ7LIX\ff2ie[1].exe (Trojan.Agent) -> Quarantined and deleted successfully.
C:\Documents and Settings\Jaime-Lee\Local Settings\Temporary Internet Files\Content.IE5\50LXDNEA\ms.21[1].exe (Worm.Koobface) -> Quarantined and deleted successfully.
C:\System Volume Information\_restore{46DE8921-1D39-44D2-A9E9-64119261F211}\RP38\A0024446.exe (Worm.Koobface) -> Quarantined and deleted successfully.
C:\System Volume Information\_restore{46DE8921-1D39-44D2-A9E9-64119261F211}\RP38\A0024450.exe (Worm.KoobFace) -> Quarantined and deleted successfully.


Log two

Malwarebytes' Anti-Malware 1.40
Database version: 2740
Windows 5.1.2600 Service Pack 2

04/09/2009 15:45:34
mbam-log-2009-09-04 (15-45-34).txt

Scan type: Quick Scan
Objects scanned: 108143
Time elapsed: 5 minute(s), 3 second(s)

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

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
(No malicious items detected)

Registry Values Infected:
(No malicious items detected)

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
(No malicious items detected)

Files Infected:
(No malicious items detected)


Even though the files have been deleted I'm still having problems with the internet and getting a blue screen when I log off.

Thanks
Jaime

#4 quietman7

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Posted 04 September 2009 - 06:54 PM

What does the blue screen say? Any error messages/codes, any files involved, etc?
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#5 jlsaunders

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Posted 05 September 2009 - 09:06 AM

Hi,
It's a standard blue screen with following technical details:

***STOP: 0x0000000A (0x0000FFDF, 0x00000002, 0x00000001, 0x806E4A8E)

Thanks
Jaime

#6 quietman7

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Posted 05 September 2009 - 01:24 PM

Typically, this error occurs when a driver uses an incorrect memory address. Other possible causes of this error include an incompatible device driver, a general hardware problem, or incompatible software...


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#7 jlsaunders

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Posted 07 September 2009 - 05:46 AM

Hi,

I couldn't find any third party software or hardware to remove. I've restored windows to the last known good configuration used the XP system restore feature but neither seem to have worked.

I don't have the installation CD with me at the moment so I can't reinstall XP.

The problem only occurs when I'm using the internet. After about 1o mins or so IE stops working so I have to close it down and then the blue screen occurs and I receive an error message when logging back on.

Is there any way of finding out if the virus is still on my machine?

#8 quietman7

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Posted 08 September 2009 - 06:59 AM

Yes, but before that can be done you will need you to create and post a DDS/HijackThis log for further investigation.

Please read the pinned topic titled "Preparation Guide For Use Before Posting A Hijackthis Log". If you cannot complete a step, then skip it and continue with the next. In Step 6 there are instructions for downloading and running DDS which will create a Pseudo HJT Report as part of its log.

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. 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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#9 Orange Blossom

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Posted 08 September 2009 - 10:23 PM

Hello,

Now that you have posted a log here: http://www.bleepingcomputer.com/forums/t/256112/koobface-virus/ 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 ask for help elsewhere. Doing so can result in system changes which may not show in 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 EXTREMELY 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.

Please be patient. It may take several days, up to two weeks perhaps less, to get a response but your log will be reviewed and answered as soon as possible. I advise checking your topic once a day for responses as the e-mail notification system is unreliable.

To avoid confusion, I am closing this topic. Good luck with your log.

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