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Infected by Worm.Koobface

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#1 Tobarglen


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Posted 14 April 2010 - 04:14 PM

Hi - Whilst on the internet today, my computer was "hi-jacked" by malware which wanted me to purchase antivirus software saying that I had umpteen serious infections. Despite having McAfee up to date, this thing slipped through. Problem was that I could not get past the malware screenshot and despite logging off and on again, this screen shot would not go away and I could do nothing with the computer.

I logged off and tried to log on again using another profile and this let me in. I was able therefore to run system restore and this took me back 24 hours to before I got the infection. I then was able to log on as myself on my own profile and I updated and ran Malwarebytes. This picked up 3 infected files called Worm.Koobface which I was able to quarantine and delete. I ran Malwarebytes again and it picked up no further infections.

However, I am worried that somewhere in my system, this infection is sitting waiting! I have been told that my restore points may still have this infection somewhere.

Can anyone help me to check out my system and see if I am clear of the virus or not?

I have an acer aspire 5738z laptop running Vista with McAfee Antivirus.


Tobarglen :thumbsup:

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#2 boopme


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Posted 14 April 2010 - 07:40 PM

Hello was MBAM run in Normal mode? It's stronger that way. That said Now we'll do a safe mode scan as these are stronger this way.

Next run ATF and SAS: If you cannot access Safe Mode,run in normal ,but let me know.

Note: On Vista, "Windows Temp" is disabled. To empty "Windows Temp" ATF-Cleaner must be "Run as an Administrator".

From your regular user account..
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 Opera 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 logs and Let us know how the PC is running now.
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#3 Tobarglen

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Posted 15 April 2010 - 03:38 PM

Hi boopme

Did as you asked but it didn't go exactly as expected. I downloaded the programmes and ran AFT Cleaner ok in Safe Mode. However, SuperAntiSpyware wouldnt run in safe mode - my computer was blocking it. So I rebooted into normal mode and ran it there. It found quite a few items. Here is the log:

SUPERAntiSpyware Scan Log

Generated 04/15/2010 at 09:21 PM

Application Version : 4.35.1002

Core Rules Database Version : 4809
Trace Rules Database Version: 2621

Scan type : Complete Scan
Total Scan Time : 01:54:32

Memory items scanned : 783
Memory threats detected : 0
Registry items scanned : 7448
Registry threats detected : 42
File items scanned : 130515
File threats detected : 41


Adware.Tracking Cookie

Browser Hijacker.Deskbar

The computer is running well and no sign of any ill effects.


TG :thumbsup:

#4 boopme


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Posted 15 April 2010 - 03:45 PM

Ok, this was still good to run it that why I said it.

Rerun MBAM (MalwareBytes) like this:

Open MBAM in normal mode and click Update tab, select Check for Updates,when done
click Scanner tab,select Quick scan and scan (normal mode).
After scan click Remove Selected, Post new scan log and Reboot into normal mode.

Now an Online scan: ESET
Please perform a scan with Eset Online Antiivirus Scanner.
(Requires Internet Explorer to work. If given the option, choose "Quarantine" instead of delete.)
Vista users need to run Internet Explorer as Administrator. Right-

click on the IE icon in the Start Menu or Quick Launch Bar on the Taskbar and select Run as Administrator from the context menu.
  • Click the green ESET Online Scanner button.
  • Read the End User License Agreement and check the box: YES, I accept the Terms of Use.
  • Click on the Start button next to it.
  • You may receive an alert on the address bar that "This site might require the following ActiveX control...Click here to install...". Click on

    that alert and then click Insall ActiveX component.
  • A new window will appear asking "Do you want to install this software?"".
  • Answer Yes to download and install the ActiveX controls that allows the scan to run.
  • Click Start.
  • Check Remove found threats and Scan potentially unwanted applications.
  • Click Scan to start. (please be patient as the scan could take some time to complete)
  • If offered the option to get information or buy software. Just close the window.
  • When the scan has finished, a log.txt file will be created and automatically saved in the C:\Program Files\EsetOnlineScanner\ folder.
  • Click Posted Image > Run..., then copy and paste this command into the open box: C:\Program

  • The scan results will open in Notepad. Copy and paste the contents of log.txt in your next reply.
Note: Some online scanners will detect existing anti-virus software and refuse to cooperate. You may have to disable the real-time protection

components of your existing anti-virus and try running the scan again. If you do this, remember to turn them back on after you are finished.

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#5 Tobarglen

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Posted 18 April 2010 - 10:03 AM

Hi boopme

So far so good. I did all you suggested and here is the Mbam log:

Malwarebytes' Anti-Malware 1.45

Database version: 4003

Windows 6.0.6002 Service Pack 2
Internet Explorer 8.0.6001.18904

18/04/2010 12:49:43
mbam-log-2010-04-18 (12-49-43).txt

Scan type: Quick scan
Objects scanned: 124618
Time elapsed: 9 minute(s), 36 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)

As for the Eset program, it found one threat and it seems to have flagged up one of the pre-installed games that came bundled with the computer so I am a little puzzled by this. Anyway, I couldn't get to the logfile as the Run dialogue box wouldn't recognise the file location. Luckily I had saved the logfile to the desktop and here it is:

C:\Program Files\Acer GameZone\Jewel Quest Solitaire\aJewelQuestSolitaire.exe probably a variant of Win32/Agent trojan cleaned by deleting - quarantined

I'll wait for your instuctions - meantime thank you very much!

TG :thumbsup:

#6 boopme


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Posted 18 April 2010 - 01:56 PM

Ok this looks good now. The games are probably flagged as they want to connect to the net and send user info to jewel quest or popcap. It's a form of spyware. If all's good here then...
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 backed up, renamed and 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". Disk Cleanup will scan your files for several minutes, then open.
  • Click the "More Options" tab, then click the "Clean up" button under System Restore.
  • Click Ok. You will be prompted with "Are you sure you want to delete all but the most recent restore point?"
  • Click Yes, then click Ok.
  • Click Yes again when prompted with "Are you sure you want to perform these actions?"
  • Disk Cleanup will remove the files and close automatically.
Vista and Windows 7 users can refer to these links: Create a New Restore Point in Vista or Windows 7 and Disk Cleanup in Vista.
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#7 Tobarglen

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Posted 25 April 2010 - 03:33 PM

Hi boopme

Sorry for the delay but what with work and home I am only getting round to this now. I did as you said and the restore points are sorted. Is there anything else I need to do?

And thank you so much for all the help and advice!!

Kind regards


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