From the Olympics to Malware: wmcodec

Discussion in 'Malware Help (A Specialist Will Reply)' started by achoriim, Aug 19, 2008.

  1. achoriim

    achoriim Private E-2

    I was trying to watch the USA vs Germany game online yesterday. While surfing looking for a site one site told me that to stream with windows media player I needed to update a code (wmcodec). Thinking I was fine, I hit OK. Well, that was a HUGE mistake! Then the problems began!

    First, my desktop wallpaper was transformed and had a large message saying, "Warning Spyware detected on your computer" and that I needed to run anti-spyware and anti-virus software.

    Second, when I would reload my system I was presented with an error message stating: "The exception integer division by zero (0x10000094) occured in the application 0x0220178e"

    Also, if my computer would go to screen saver it instead went to a full blue screen with a VERY long error message stating in part, "A problem has been detected and windows has been shut down. PANIC_STACK_SWITCH" and a bunch of other stuff. If I hit a any key it would after a few seconds return me to my desktop.

    I think that about covers it.
    Since running the cleaning procedures, things are looking better, but, I am most definitely worried that it could be lurking around somewhere.

    I am posting my logs. Thank you So much for your assistance which has always been TREMENDOUSLY valuable.

    Achoriim
     

    Attached Files:

  2. achoriim

    achoriim Private E-2

    Here is the MGTools logs.

    Thanks again,

    Achoriim
     

    Attached Files:

  3. chaslang

    chaslang MajorGeeks Admin - Master Malware Expert Staff Member

    Run C:\MGtools\analyse.exe by double clicking on it (Note: if using Vista, don't double click, use right click and select Run As Administrator). This is really HijackThis (select Do a system scan only) and select the following lines but DO NOT CLICK FIX until you exit all browser sessions including the one you are reading in right now:

    O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
    O3 - Toolbar: (no name) - {0BF43445-2F28-4351-9252-17FE6E806AA0} - (no file)
    O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot

    After clicking Fix, exit HJT.


    Now we need to use ComboFix to remove a bunch of malware files.
    • Make sure that combofix.exe that you downloaded while doing the READ & RUN ME is on your Desktop but Do not run it!
      • If it is not on your Desktop, the below will not work.
    • Open Notepad and copy/paste the text in the below quote box into it:
    • Save the above as CFscript.txt and make sure you save it to the same location (should be on your Desktop) as ComboFix.exe
    • At this point, you MUST EXIT ALL BROWSERS NOW before continuing!
    • You should have both the ComboFix.exe and CFScript.txt icons on your Desktop.
    • Now use your mouse to drag CFscript.txt on top of ComboFix.exe
    • Follow the prompts.
    • When it finishes, a log will be produced named c:\combofix.txt
    • I will ask for this log below
    Note:

    Do not mouseclick combofix's window while it is running. That may cause it to stall.

    Copy the bold text below to notepad. Save it as fixme.reg to your desktop. Be sure the "Save as" type is set to "all files" Once you have saved it double click it and allow it to merge with the registry.
    Make sure that you tell me if you receive a success message about adding the above
    to the registry. If you do not get a success message, it definitely did not work.

    Now run Ccleaner!

    Now run the C:\MGtools\GetLogs.bat file by double clicking on it (Note: if using Vista, don't double click, use right click and select Run As Administrator).


    Then attach the below logs:
    • C:\ComboFix.txt
    • C:\MGlogs.zip
    Make sure you tell me how things are working now!
     
  4. achoriim

    achoriim Private E-2

    Ok, thanks for the new procedures.

    I ran everything you said.

    The registry entries were saved successfully.

    At the moment, everything seems to be running alright, but since I ran all of the cleaning procedures before it was also running ok. But as you discovered, there were indeed lurking malware files.

    I have attached the new logs.

    Looking forward to your response.

    Achoriim
     

    Attached Files:

    Last edited: Aug 20, 2008
  5. chaslang

    chaslang MajorGeeks Admin - Master Malware Expert Staff Member

    Your logs are clean.


    If you are not having any other malware problems, it is time to do our final steps:
    1. You can uninstall SUPERAntiSpyware now.
    2. We recommed you keep Malwarebytes Anti-Malware as a scanner. It uses no resources except a little disk space until you run a scan.
    3. If we had you use ComboFix, uninstall ComboFix (This uninstall will only work as written if you installed ComboFix on your Desktop like we requested.)
      • Click START then RUN and enter the below into the run box and then click OK. Note the quotes are required
      • "%userprofile%\Desktop\combofix" /u
        • Notes: The space between the combofix" and the /u, it must be there.
        • This will uninstall ComboFix and also reset hidden files and folders settings back to Windows defaults.
      • Delete the C:\combofix folder from combofix (if it exists)
    4. Any other miscellaneous tools we may have had you install or download can be uninstalled and deleted.
    5. If we had you download any registry patches like fixme.reg or fixWLK.reg (or any others), you can delete these files now.
    6. If running Vista, it is time to make sure you have reenabled UAC by double clicking on the C:\MGtools\enableUAC.reg file and allowing it to be added to the registry.
    7. Go to add/remove programs and uninstall HijackThis.
    8. You can delete the C:\MGtools folder and the C:\MGtools.exe file. You can also delete the C:\MGlogs.zip
    9. If you are running Vista, Windows XP or Windows ME, do the below:
      • Refer to the cleaning steps in the READ ME for your Window version and see the steps to Disable System Restore which will flush your Restore Points.
      • Then reboot and Enable System Restore to create a new clean Restore Point.
    10. After doing the above, you should work thru the below link:
     

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