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AVG: Win64/Patched.A (svchost.exe)

Discussion in 'Virus & Other Malware Removal' started by anon123700, Jul 21, 2012.

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  1. anon123700

    anon123700 Thread Starter

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    Today I was browsing while an AVG virus alert randomly pops up with the following:
    A couple of advertisements have randomly opened in new tabs - unusual before this happened

    AVG keeps popping up with the error above ^
    I think that means svchost.exe keeps trying to restart itself automatically

    I keep getting new Advertisement pop-up Tabs & sometimes when I click a link, it will redirect to an advertisement instead. (dating sites, travel sites, etc.)


    Appreciate ANY help with the removal of this


    Windows Vista, 64 Bit

    ===========================
    1. HijackThis Log File
    2. DDS Log File
    am i missing anything? (attach.txt is attached below)
     

    Attached Files:

  2. anon123700

    anon123700 Thread Starter

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  3. anon123700

    anon123700 Thread Starter

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    UPDATE; more files in Task Manager - when deleted re-open.
    Random names like: xtzklg.exe, gxmxdl.exe,

    New virus found by AVG:
    [​IMG][​IMG]
    [​IMG]
     
  4. dvk01

    dvk01 Derek Moderator Malware Specialist

    Joined:
    Dec 14, 2002
    Messages:
    47,842
    Delete any existing version of ComboFix you have sitting on your desktop
    Please read and follow all these instructions very carefully
    Do not edit or remove any information or user names etc, otherwise we cannot fix the problem. If you insist on editing out anything then I will close the topic & refuse to offer any help.

    Download ComboFix from Hereto your Desktop.
    As you download it rename it to username123.exe


    **Note: It is important that it is saved directly to your desktop and run from the desktop and not any other folder on your computer**
    --------------------------------------------------------------------
    1. Close/disable all anti virus and anti malware programs so they do not interfere with the running of ComboFix.

    • Very Important! Temporarily disable your anti-virus and anti-malware real-time protection and any script blocking components of them or your firewall before performing a scan. They can interfere with ComboFix or remove some of its embedded files which may cause "unpredictable results" or stop combofix running at all
    • Click on THIS LINK to see instructions on how to temporarily disable many security programs while running combofix. The list does not cover every program. If yours is not listed and you don't know how to disable it, please ask.
    • Remember to re enable the protection again after combofix has finished
    --------------------------------------------------------------------
    2. Close any open browsers and any other programs you might have running
    Double click on renamed combofix.exe & follow the prompts.​
    If you are using windows XP It might display a pop up saying that "Recovery console is not installed, do you want to install?"
    Please select yes & let it download the files it needs to do this. Once the recovery console is installed Combofix will then offer to scan for malware. Select continue or yes.
    When finished, it will produce a report for you.
    Please post the "C:\ComboFix.txt" for further review


    ****Note: Do not mouseclick combofix's window while it's running. That may cause it to stall or freeze ****

    Note: ComboFix may reset a number of Internet Explorer's settings, including making it the default browser.
    Note: Combofix prevents autorun of ALL CDs, floppies and USB devices to assist with malware removal & increase security. If this is an issue or makes it difficult for you -- please tell us when you reply. Read HERE why we disable autoruns

    Please do not install any new programs or update anything (always allow your antivirus/antispyware to update) unless told to do so while we are fixing your problem. If combofix alerts to a new version and offers to update, please let it. It is essential we always use the latest version.

    Please tell us if it has cured the problems or if there are any outstanding issues

    *EXTRA NOTES*
    • If Combofix detects any Rootkit/Bootkit activity on your system it will give a warning and prompt for a reboot, you must allow it to do so.
    • If Combofix reboot's due to a rootkit, the screen may stay black for several minutes on reboot, this is normal
    • If after running Combofix you receive any type of warning message about registry key's being listed for deletion when trying to open certain items, reboot the system and this will fix the issue (Those items will not be deleted)

    Post the log in next reply please...
     
  5. anon123700

    anon123700 Thread Starter

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    Thanks for your advice, here's the log


    edit: was looking at "locked registries" and noticed a lot of Macromedia/Flash files, one of the problems I had was a trojan installer popping up that was disguised as a Flash Updater.. It would pop up and start downloading automatically
     
  6. dvk01

    dvk01 Derek Moderator Malware Specialist

    Joined:
    Dec 14, 2002
    Messages:
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    the lockerd registry entries are normal with flash
    are you still getting any problems or the virus alerts with AVG as it all looks OK
     
  7. anon123700

    anon123700 Thread Starter

    Joined:
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    I ran a few more full scans & everything appears to be ok.
    Thank you for ur help
     
  8. dvk01

    dvk01 Derek Moderator Malware Specialist

    Joined:
    Dec 14, 2002
    Messages:
    47,842
    *Follow these steps to uninstall Combofix and the other tools it downloaded to remove the malware*
    * Click START then RUN
    * Now type Combofix /Uninstall in the runbox and click OK. Note the space between the X and the /U, it needs to be there.
    [​IMG]

    This will also purge the restore folder and clear any malware that has been put in there. Now Empty Recycle bin on desktop Then reboot.

    go here http://www.thespykiller.co.uk/index.php?page=3 for info on how to tighten your security settings and how to help prevent future attacks.

    and scan here http://secunia.com/vulnerability_scanning/online/ for out of date & vulnerable common applications on your computer and update whatever it suggests. Download & use the PSI version ( not the OSI, in your browser java version) as I no longer recommend having Java installed on the computer at all, unless it is absolutely necessary, because of the too high risk of malware infiltration

    Then pay an urgent visit to windows update & make sure you are fully updated, that will help to plug the security holes that let these pests on in the first place. If windows update doesn't work, please come back & tell us
     
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