AntiVirus Malware

Discussion in 'Malware Help (A Specialist Will Reply)' started by ElephantShoe, Apr 20, 2011.

  1. ElephantShoe

    ElephantShoe Private E-2

    I got a malware "antivirus" virus where I couldn't run any programs without the "antivirus" message loading on the screen! I removed the exe in question using Hiren's Boot CD 13.0. I then had to reset my file associations so that I could run other programs. I ran Malwarebytes which cleaned a lot, but I still found a lot of files running in my processes. Most of these files are found in "C:\WINDOWS\Prefetch". Each time I delete this folder, it re-creates itself.

    I then came across your great site which I think has helped, but I still feel I have extra processes running.

    See attached logs for details.
     

    Attached Files:

  2. dr.moriarty

    dr.moriarty Malware Super Sleuth Staff Member

  3. ElephantShoe

    ElephantShoe Private E-2

    Please find the requested log attached: MGlogs.zip
     

    Attached Files:

  4. dr.moriarty

    dr.moriarty Malware Super Sleuth Staff Member

    Hello, ElephantShoe

    *Other than the tools our guide instructed you to save there, I strongly recommend that you clean up this account's Desktop immediately leaving only shortcut links. [ C:\Documents and Settings\brego\desktop ] Do not store downloads, exe files, iso files....etc on your Desktop. First it is not a safe place to keep them (i.e., you may loose them due to malware, and a cluttered Desktop is an easy hiding place for malware), and last but not least - it can have an effect on your PCs performance.

    *Is this a business machine?

    *We recommend a MINIMUM of 1 GB for Windows XP and a MINIMUM of 2 GB for Vista or Windows 7 but the more memory you can add the better.
    # You may want to use this to de-select some un-needed applications and processes from loading at startup.
    Startup_Control_Panel_Standalone

    Question: What can you tell me about this running process - C:\WINDOWS\TEMP\MU26CE.EXE

    Please disable all anti-virus and anti-spyware programs while we do the following (re-enable when you are finished):

    Step 1:
    Now we need to use ComboFix.
    • 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.
    • Make sure you have shut down all protection software (antivirus, antispyware, firewall...etc) programs so they do not interfere with the running of ComboFix. *Remember to re-start them before coming back online.
    • If ComboFix tells you it needs to update to a new version, make sure you allow it to update.
    • Open Notepad and copy/paste the text inside of the below code box into it (make sure you scroll all the way down in the code box to get all lines selected ):
    • 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.
      If it asks you to overide the previous file with the same name, click YES.
    • Now use your mouse to drag CFscript.txt on top of ComboFix.exe
      http://img.photobucket.com/albums/v666/sUBs/CFScriptB-4.gif
    • Follow the prompts.
    • When it finishes, a log will be produced named c:\combofix.txt
    Note:
    Do not mouseclick combofix's window while it is running. That may cause it to stall.


    Step 2:
    Delete all files and subfolders in the below folders except ones from the current date (Windows will not let you delete the files from the current day).
    Step 3:
    Open CCleaner - select "Cleaner" > "Run Cleaner" <---use this function ONLY!

    Step 4:
    Then run the C:\MGtools\GetLogs.bat file by double clicking on it (Note: if using Vista or Windows 7, use right click and select Run As Administrator).

    Please attach the new C:\MGlogs.zip file to your next reply.

    * Make sure you tell me if you had any problems running this procedure; and answer this - "What malware problems are you still experiencing?"

    dr.m
     
  5. ElephantShoe

    ElephantShoe Private E-2

    Hello Dr. M,

    Answers to your questions:
    1. Business Machine -> Yew, partially.
    2. Process: C:\WINDOWS\TEMP\MU26CE.EXE -> No idea what this is.

    I still feel there are a lot of extra processes running. Is my machine 'clean'?

    I have attached the requested MGlogs.zip file.

    Thanks.
     

    Attached Files:

  6. dr.moriarty

    dr.moriarty Malware Super Sleuth Staff Member

    It no longer appears in your logs, but c:\windows\TEMP\WA92A3.EXE does. <-- Delete it.

    The "extra processes running" are things that only you can determine which are necessary or wanted. (That's why I suggested using Startup Control Panel to trim them.) You can ask for assistance with this in our Software Forum.

    Let's see what an online scan reveals-

    Using ESET's Online Scanner

    Please attach the ESETScan.txt to your next reply.
     

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