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Solved Computer acting up

Discussion in 'Malware and Virus Removal Archive' started by Fredx, 2010/10/17.

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  1. 2010/10/31
    Fredx

    Fredx Inactive Thread Starter

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    ESET Scan Results

    C:\WINDOWS\system32\authsvc.dll a variant of Win32/Kryptik.HLE trojan
    C:\WINDOWS\system32\F0163970683\explorer.exe a variant of Win32/Kryptik.HLE trojan
     
    Fredx,
    #61
  2. 2010/10/31
    Fredx

    Fredx Inactive Thread Starter

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    Just downloaded Avast. But windows security alert keeps telling me my virus protection is out of date.
     
    Fredx,
    #62


  3. to hide this advert.

  4. 2010/10/31
    broni

    broni Moderator Malware Analyst

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    Did you update Avast?

    Run OTL
    • Under the [color= "#0000FF"]Custom Scans/Fixes[/color] box at the bottom, paste in the following

      Code:
      :OTL

:Services

:Reg

:Files
C:\WINDOWS\system32\authsvc.dll 
C:\WINDOWS\system32\F0163970683\explorer.exe

:Commands
[purity]
[emptytemp]
[emptyflash]
[Reboot]
    • Then click the [color= "#FF0000"]Run Fix[/color] button at the top
    • Let the program run unhindered, reboot the PC when it is done
    • You will get a log that shows the results of the fix. Please post it.

    =============================================================

    Your computer is clean :)

    1. We need to reset system restore to prevent your computer from being accidentally reinfected by using some old restore point(s). We'll create fresh, clean restore point, using following OTL script:

    Run OTL

    • Under the Custom Scans/Fixes box at the bottom, paste in the following:

    Code:
    :OTL
:Commands
[purity]
[emptytemp]
[EMPTYFLASH]
[CLEARALLRESTOREPOINTS]
[Reboot]
    • Then click the Run Fix button at the top
    • Let the program run unhindered, reboot the PC when it is done
    • Post resulting log.

    2. Now, we'll remove all tools, we used during our cleaning process

    Clean up with OTL:

    • Double-click OTL.exe to start the program.
    • Close all other programs apart from OTL as this step will require a reboot
    • On the OTL main screen, press the CLEANUP button
    • Say Yes to the prompt and then allow the program to reboot your computer.

    If you still have any tools or logs leftover on your computer you can go ahead and delete those off of your computer now.

    3. Make sure, Windows Updates are current.

    4. If any Trojan was listed among your infection(s), make sure, you change all of your on-line important passwords (bank account(s), secured web sites, etc.) immediately!

    5. Download, and install WOT (Web OF Trust): http://www.mywot.com/. It'll warn you (in most cases) about dangerous web sites.

    6. Run Malwarebytes "Quick scan" once in a while to assure safety of your computer.

    7. Run Temporary File Cleaner (TFC) weekly.

    8. Download and install Secunia Personal Software Inspector (PSI): http://secunia.com/vulnerability_scanning/personal/. The Secunia PSI is a FREE security tool designed to detect vulnerable and out-dated programs and plug-ins which expose your PC to attacks. Run it weekly.

    9. (optional) If you want to keep all your programs up to date, download and install FileHippo Update Checker.
    The Update Checker will scan your computer for installed software, check the versions and then send this information to FileHippo.com to see if there are any newer releases.

    10. Run defrag at your convenience.

    11. Read How did I get infected?, With steps so it does not happen again!: http://www.bleepingcomputer.com/forums/topic2520.html

    12. Please, let me know, how is your computer doing.
     
    broni,
    #63
  5. 2010/11/05
    broni

    broni Moderator Malware Analyst

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    The issue seems to be resolved.
    If you're still out there, make sure to run the above last steps.
     
    broni,
    #64
  6. 2010/11/06
    Fredx

    Fredx Inactive Thread Starter

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    No, I didn't update Avast yet.

    Haven't been around all week. I was on vacation.

    I'm doing those last couple steps right now.
     
    Fredx,
    #65
  7. 2010/11/06
    broni

    broni Moderator Malware Analyst

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    OK......
    You must keep your AV program up to date.
    Isn't it set to receive automatic updates?
     
    broni,
    #66
  8. 2010/11/06
    Fredx

    Fredx Inactive Thread Starter

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    Not sure if it's set for auto updates. I'll check in a sec.
    Windows Security Alert keeps telling me that my virus protection is still out to date. Does it not recognize Avast?


    All processes killed
    ========== OTL ==========
    ========== SERVICES/DRIVERS ==========
    ========== REGISTRY ==========
    ========== FILES ==========
    C:\WINDOWS\system32\authsvc.dll moved successfully.
    C:\WINDOWS\system32\F0163970683\explorer.exe moved successfully.
    ========== COMMANDS ==========

    [EMPTYTEMP]

    User: Administrator
    ->Temp folder emptied: 0 bytes
    ->Temporary Internet Files folder emptied: 0 bytes
    ->FireFox cache emptied: 0 bytes
    ->Flash cache emptied: 0 bytes

    User: All Users

    User: Default User
    ->Temp folder emptied: 0 bytes
    ->Temporary Internet Files folder emptied: 0 bytes
    ->Flash cache emptied: 0 bytes

    User: Freddie
    ->Temp folder emptied: 1376117 bytes
    ->Temporary Internet Files folder emptied: 204387534 bytes
    ->Java cache emptied: 0 bytes
    ->FireFox cache emptied: 2783504 bytes
    ->Flash cache emptied: 8273 bytes

    User: LocalService
    ->Temp folder emptied: 0 bytes
    ->Temporary Internet Files folder emptied: 0 bytes
    ->Flash cache emptied: 0 bytes

    User: NetworkService
    ->Temp folder emptied: 0 bytes
    ->Temporary Internet Files folder emptied: 33170 bytes
    ->Flash cache emptied: 0 bytes

    %systemdrive% .tmp files removed: 0 bytes
    %systemroot% .tmp files removed: 0 bytes
    %systemroot%\System32 .tmp files removed: 0 bytes
    %systemroot%\System32\dllcache .tmp files removed: 0 bytes
    %systemroot%\System32\drivers .tmp files removed: 0 bytes
    Windows Temp folder emptied: 28538832 bytes
    %systemroot%\system32\config\systemprofile\Local Settings\Temp folder emptied: 0 bytes
    %systemroot%\system32\config\systemprofile\Local Settings\Temporary Internet Files folder emptied: 33170 bytes
    RecycleBin emptied: 1373720 bytes

    Total Files Cleaned = 227.00 mb


    [EMPTYFLASH]

    User: Administrator
    ->Flash cache emptied: 0 bytes

    User: All Users

    User: Default User
    ->Flash cache emptied: 0 bytes

    User: Freddie
    ->Flash cache emptied: 0 bytes

    User: LocalService
    ->Flash cache emptied: 0 bytes

    User: NetworkService
    ->Flash cache emptied: 0 bytes

    Total Flash Files Cleaned = 0.00 mb


    OTL by OldTimer - Version 3.2.17.1 log created on 11062010_122329

    Files\Folders moved on Reboot...

    Registry entries deleted on Reboot...
     
    Fredx,
    #67
  9. 2010/11/06
    broni

    broni Moderator Malware Analyst

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    Is Avast updated, set to auto?
     
    broni,
    #68
  10. 2010/11/06
    Fredx

    Fredx Inactive Thread Starter

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    Avast keeps encountering an error when I try to update.
     
    Fredx,
    #69
  11. 2010/11/06
    broni

    broni Moderator Malware Analyst

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    What does the error say?
    You may want to reinstall it.
    Cleaning procedure may sometimes mess up some files.
     
    broni,
    #70
  12. 2010/11/06
    Fredx

    Fredx Inactive Thread Starter

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    it says
    Last encountered error: Invalid file signature. Setup will terminate

    All processes killed
    ========== OTL ==========
    ========== COMMANDS ==========

    [EMPTYTEMP]

    User: Administrator
    ->Temp folder emptied: 0 bytes
    ->Temporary Internet Files folder emptied: 0 bytes
    ->FireFox cache emptied: 0 bytes
    ->Flash cache emptied: 0 bytes

    User: All Users

    User: Default User
    ->Temp folder emptied: 0 bytes
    ->Temporary Internet Files folder emptied: 0 bytes
    ->Flash cache emptied: 0 bytes

    User: Freddie
    ->Temp folder emptied: 1198 bytes
    ->Temporary Internet Files folder emptied: 2625320 bytes
    ->Java cache emptied: 0 bytes
    ->FireFox cache emptied: 0 bytes
    ->Flash cache emptied: 456 bytes

    User: LocalService
    ->Temp folder emptied: 0 bytes
    ->Temporary Internet Files folder emptied: 0 bytes
    ->Flash cache emptied: 0 bytes

    User: NetworkService
    ->Temp folder emptied: 0 bytes
    ->Temporary Internet Files folder emptied: 33170 bytes
    ->Flash cache emptied: 0 bytes

    %systemdrive% .tmp files removed: 0 bytes
    %systemroot% .tmp files removed: 0 bytes
    %systemroot%\System32 .tmp files removed: 0 bytes
    %systemroot%\System32\dllcache .tmp files removed: 0 bytes
    %systemroot%\System32\drivers .tmp files removed: 0 bytes
    Windows Temp folder emptied: 527 bytes
    %systemroot%\system32\config\systemprofile\Local Settings\Temp folder emptied: 0 bytes
    %systemroot%\system32\config\systemprofile\Local Settings\Temporary Internet Files folder emptied: 0 bytes
    RecycleBin emptied: 0 bytes

    Total Files Cleaned = 3.00 mb


    [EMPTYFLASH]

    User: Administrator
    ->Flash cache emptied: 0 bytes

    User: All Users

    User: Default User
    ->Flash cache emptied: 0 bytes

    User: Freddie
    ->Flash cache emptied: 0 bytes

    User: LocalService
    ->Flash cache emptied: 0 bytes

    User: NetworkService
    ->Flash cache emptied: 0 bytes

    Total Flash Files Cleaned = 0.00 mb

    Restore points cleared and new OTL Restore Point set!

    OTL by OldTimer - Version 3.2.17.1 log created on 11062010_124109

    Files\Folders moved on Reboot...

    Registry entries deleted on Reboot...
     
    Fredx,
    #71
  13. 2010/11/06
    broni

    broni Moderator Malware Analyst

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    Yeah, definitely reinstall.
     
    broni,
    #72
  14. 2010/11/10
    Fredx

    Fredx Inactive Thread Starter

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    It's running better.

    This popped up yesteday (wuauclt.exe). I did a seach and some sites said it had to do with windows updates and others said it's a worm. Should I be concerned?

    Also my firefox is still crashing. I've add/removed the program and re-installed. Any idea's how to fix this?
     
    Fredx,
    #73
  15. 2010/11/10
    broni

    broni Moderator Malware Analyst

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    I'd have to see EXACT message and under what circumstances it happened.

    As for Firefox, I suggest, you perform clean reinstall.
    See here, how to remove Firefox completely: http://kb.mozillazine.org/Uninstalling_Firefox
     
    broni,
    #74
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