VBS:Ramnit.B on Windows 7 laptop

Discussion in 'Malware Help (A Specialist Will Reply)' started by mr morgan, Dec 25, 2010.

  1. mr morgan

    mr morgan Private E-2

    Hello

    I wonder if anyone can help?

    Earlier, Microsoft Security Essentials reported the virus VBS:Ramnit.B on my laptop. Though the virus was reported as having being removed, looking at various web sites, this seems to be a very resilient virus.

    A subsequent scan by Malaware Bytes revealed nothing and a scan by ESET's online scanner is negative so far but I wonder if it has crashed. I have had no warning messages about files being infected with this virus from Symantec which I also have on my laptop.

    So my simple question is, can I regard my laptop as being infected or not?

    Thanks

    Mr Morgan
     
  2. TimW

    TimW MajorGeeks Administrator - Jedi Malware Expert Staff Member

  3. mr morgan

    mr morgan Private E-2

    Thanks for the rapid reply. I'm running an ESET scan now and once that is done, I will see to the link you've supplied.
     
  4. TimW

    TimW MajorGeeks Administrator - Jedi Malware Expert Staff Member

    Attach the eSet log if it shows anything. ;)
     
  5. mr morgan

    mr morgan Private E-2

    I will do so but I found that earlier when using ESET that the online scan appeared to crash at about 31%. Hopefully, this new scan will run fully.
     
  6. mr morgan

    mr morgan Private E-2

    Well, ESET online reported a clean laptop. So onto the other steps over the next few days.
     
  7. TimW

    TimW MajorGeeks Administrator - Jedi Malware Expert Staff Member

    If eSet came back clean, then most of the Ramnit infection is gone. But yes, do the rest of the instructions and we will check to see if any traces are still on your system. Take your time, I am about to log off, but will be back on tomorrow.

    Have a happy holiday!!
     
  8. mr morgan

    mr morgan Private E-2

    Hello

    Well, I've worked through the steps on:

    http://forums.majorgeeks.com/showthread.php?t=35407

    And a few oddities were reported. But I wasn't able to get RootRepeal to work. It reported:

    FOPS - DeviceIoControl Error! Error Code = 0xc0000024 Extended Info (0x000000e8)

    Which I'm unsure about. And I had some issues with MGtools until I rebooted my PC.

    So what comes next? Can I regard my PC as being free of Ramnit?

    I've saved the various log files and am about to reinstall Norton IS which I deleted earlier.

    Thanks

    Mr Morgan.
     
  9. TimW

    TimW MajorGeeks Administrator - Jedi Malware Expert Staff Member

    Please attach the logs that you got:
    SAS
    MBAM
    ComboFix
    C:\MGLogs.zip
     
  10. mr morgan

    mr morgan Private E-2

    As requested, the logs are attached.

    For information, I should state that the first three items listed in the MBAM log, i.e.

    e:\$RECYCLE.BIN\$RZZHFBD\RB_Lab3\windowsapplication1.exe (Backdoor.Agent) -> Quarantined and deleted successfully.
    e:\$RECYCLE.BIN\$RZZHFBD\RB_Lab3\web crawler\windowsapplication1\obj\Debug\windowsapplication1.exe (Backdoor.Agent) -> Quarantined and deleted successfully.
    e:\$RECYCLE.BIN\$RZZHFBD\RB_Lab3\web crawler\windowsapplication1\bin\Debug\windowsapplication1.exe (Backdoor.Agent) -> Quarantined and deleted successfully.

    Are known to me as part a programming exercise of mine. They are / were not malware and I'm curious why MBAM identified them in this way.

    Thanks.
     

    Attached Files:

    Last edited: Dec 27, 2010
  11. TimW

    TimW MajorGeeks Administrator - Jedi Malware Expert Staff Member

    Very good, you don't have any traces of Ramnit on your system. Most of what MBAM found were infected restore points which we will take care of when you toggle system restore:

    If you are not having any other malware problems, it is time to do our final steps:

    1. We recommend you keep SUPERAntiSpyware and Malwarebytes Anti-Malware for scanning/removal of malware. Unless you purchase them, they provide no real time protection. They do not use any significant amount of resources ( except a little disk space ) until you run a scan.We recommend them for doing backup scans when you suspect a malware infection.
    2. 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" /uninstall
        • Notes: The space between the combofix" and the /uninstall, it must be there.
        • This will uninstall ComboFix and also reset hidden files and folders settings back to Windows defaults.


    3. Go back to step 6 of the READ ME and renable your Disk Emulation software with Defogger if you had disabled it.
    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. Goto the C:\MGtools folder and find the MGclean.bat file. Double click on this file to run this cleanup program that will remove files and folders related to MGtools and some other items from our cleaning procedures.
    9. If you are running Win 7, Vista, Windows XP or Windows ME, do the below:
      • Refer to the cleaning procedures pointed to by step 7 of the READ ME
        for your Window version and see the instructions 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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  12. mr morgan

    mr morgan Private E-2

    I've run through the list but had to reinstall Combofix to uninstall it as you said.

    Thanks for the OK on the PC but my only remaining question is what you do with all the log data sent?
     
  13. TimW

    TimW MajorGeeks Administrator - Jedi Malware Expert Staff Member

    What do you mean?
     
  14. mr morgan

    mr morgan Private E-2

    I'm just curious about whether the information uploaded in the various logs in used for anything, i.e. to aid in further analysis or antimalware development?
     
  15. TimW

    TimW MajorGeeks Administrator - Jedi Malware Expert Staff Member

    The logs do not reveal any info that would put you at risk. They do provide info that helps others with their situations. But unfortunately they can also be use by malware writers to try to bypass our cleaning methods. Plus they also will give anyone wanting to check a file the ability to find info on those files as far as whether they are legit or not. ;)
     
  16. mr morgan

    mr morgan Private E-2

    Well, everything here is legitimate. So thanks for all your help.
     
  17. TimW

    TimW MajorGeeks Administrator - Jedi Malware Expert Staff Member

    By legit or not, I mean a web search might lead to this thread that shows the files that we needed to have removed. :)
    In your case, it was mostly the fact that you were able to remove the infection by running eSet.

    And you are most welcome!!
     

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