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Solved Possible malware infection - unknown file "NA" found in startup

Discussion in 'Malware and Virus Removal Archive' started by EdieinDeep, 2013/05/15.

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  1. 2013/05/29
    EdieinDeep

    EdieinDeep Inactive Thread Starter

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    Broni, Result of Security Check:


    Results of screen317's Security Check version 0.99.64
    x64 (UAC is enabled)
    Internet Explorer 10
    ``````````````Antivirus/Firewall Check:``````````````
    Windows Firewall Enabled!
    avast! Antivirus
    Windows Defender
    Antivirus up to date!
    `````````Anti-malware/Other Utilities Check:`````````
    Malwarebytes Anti-Malware version 1.75.0.1300
    Adobe Reader XI
    Google Chrome 27.0.1453.93
    Google Chrome 27.0.1453.94
    ````````Process Check: objlist.exe by Laurent````````
    Malwarebytes Anti-Malware mbamservice.exe
    Malwarebytes Anti-Malware mbamgui.exe
    Malwarebytes' Anti-Malware mbamscheduler.exe
    AVAST Software Avast AvastSvc.exe
    AVAST Software Avast AvastUI.exe
    `````````````````System Health check`````````````````
    Total Fragmentation on Drive C: %
    ````````````````````End of Log``````````````````````
     
    EdieinDeep,
    #21
  2. 2013/05/29
    EdieinDeep

    EdieinDeep Inactive Thread Starter

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    Broni,

    Results of Farbar:

    Farbar Service Scanner Version: 25-05-2013
    Ran by Edie (administrator) on 29-05-2013 at 13:28:05
    Running from "C:\Users\Edie\Desktop "
    Windows 8 (X64)
    Boot Mode: Normal
    ****************************************************************

    Internet Services:
    ============

    Connection Status:
    ==============
    Localhost is accessible.
    LAN connected.
    Google IP is accessible.
    Google.com is accessible.
    Yahoo IP is accessible.
    Yahoo.com is accessible.


    Windows Firewall:
    =============

    Firewall Disabled Policy:
    ==================


    System Restore:
    ============

    System Restore Disabled Policy:
    ========================


    Action Center:
    ============

    Windows Update:
    ============

    Windows Autoupdate Disabled Policy:
    ============================


    Windows Defender:
    ==============
    WinDefend Service is not running. Checking service configuration:
    The start type of WinDefend service is set to Demand. The default start type is Auto.
    The ImagePath of WinDefend: " "%ProgramFiles%\Windows Defender\MsMpEng.exe" ".


    Windows Defender Disabled Policy:
    ==========================
    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Defender]
    "DisableAntiSpyware "=DWORD:1


    Other Services:
    ==============


    File Check:
    ========
    C:\Windows\System32\nsisvc.dll => MD5 is legit
    C:\Windows\System32\drivers\nsiproxy.sys => MD5 is legit
    C:\Windows\System32\dhcpcore.dll => MD5 is legit
    C:\Windows\System32\drivers\afd.sys => MD5 is legit
    C:\Windows\System32\drivers\tdx.sys => MD5 is legit
    C:\Windows\System32\Drivers\tcpip.sys
    [2013-04-12 14:21] - [2013-03-02 05:59] - 2231528 ____A (Microsoft Corporation) B6D52E2C38B49A156E58FF5B9C6CA8BE

    C:\Windows\System32\dnsrslvr.dll => MD5 is legit
    C:\Windows\System32\mpssvc.dll => MD5 is legit
    C:\Windows\System32\bfe.dll => MD5 is legit
    C:\Windows\System32\drivers\mpsdrv.sys => MD5 is legit
    C:\Windows\System32\SDRSVC.dll => MD5 is legit
    C:\Windows\System32\vssvc.exe => MD5 is legit
    C:\Windows\System32\wscsvc.dll
    [2013-05-20 10:09] - [2013-04-09 00:51] - 0099840 ____A (Microsoft Corporation) 012CFE7F0F95266F554EE3B91EE2128A

    C:\Windows\System32\wbem\WMIsvc.dll => MD5 is legit
    C:\Windows\System32\wuaueng.dll
    [2013-04-12 14:21] - [2013-03-01 22:45] - 3240448 ____A (Microsoft Corporation) 79F95469604B77296346DE7DB463EA2A

    C:\Windows\System32\qmgr.dll => MD5 is legit
    C:\Windows\System32\es.dll => MD5 is legit
    C:\Windows\System32\cryptsvc.dll => MD5 is legit
    C:\Program Files\Windows Defender\MpSvc.dll
    [2013-04-03 17:06] - [2013-01-28 19:08] - 1555920 ____A (Microsoft Corporation) 905601FFF40D8DA9FA82CBE77D1F5EB1

    C:\Program Files\Windows Defender\MsMpEng.exe
    [2013-04-03 17:05] - [2013-01-28 21:57] - 0014920 ____A (Microsoft Corporation) 473B9548568BA927ACE0B77EC208A561

    C:\Windows\System32\ipnathlp.dll => MD5 is legit
    C:\Windows\System32\iphlpsvc.dll => MD5 is legit
    C:\Windows\System32\svchost.exe => MD5 is legit
    C:\Windows\System32\rpcss.dll => MD5 is legit


    **** End of log ****
     
    EdieinDeep,
    #22


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  4. 2013/05/29
    EdieinDeep

    EdieinDeep Inactive Thread Starter

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    Result of TFC:

    Getting user folders.

    Stopping running processes.

    Emptying Temp folders.


    User: All Users

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

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

    User: Edie
    ->Temp folder emptied: 692 bytes
    ->Temporary Internet Files folder emptied: 3522 bytes
    ->Google Chrome cache emptied: 6812781 bytes
    ->Flash cache emptied: 0 bytes

    User: Public

    %systemdrive% .tmp files removed: 0 bytes
    %systemroot% .tmp files removed: 0 bytes
    %systemroot%\System32 .tmp files removed: 0 bytes
    %systemroot%\System32 (64bit) .tmp files removed: 0 bytes
    %systemroot%\System32\drivers .tmp files removed: 0 bytes
    Windows Temp folder emptied: 2166 bytes
    %systemroot%\system32\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files folder emptied: 128 bytes
    %systemroot%\sysnative\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files folder emptied: 0 bytes

    Emptying RecycleBin. Do not interrupt.

    RecycleBin emptied: 0 bytes
    Process complete!

    Total Files Cleaned = 7.00 mb
     
    EdieinDeep,
    #23
  5. 2013/05/29
    EdieinDeep

    EdieinDeep Inactive Thread Starter

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    Broni,

    ESET didn't find anything. Edie
     
    EdieinDeep,
    #24
  6. 2013/05/29
    broni

    broni Moderator Malware Analyst

    Joined:
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    Your computer is clean [​IMG]

    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]
[emptyjava]
[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 trojans, rootkits or bootkits were 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. Check if your browser plugins are up to date.
    Firefox - https://www.mozilla.org/en-US/plugincheck/
    other browsers: https://browsercheck.qualys.com/ (click on "Launch a quick scan now" link)

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

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

    8. Run Temporary File Cleaner (TFC) weekly.

    9. 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.

    10. (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.

    11. (Windows XP only) Run defrag at your convenience.

    12. When installing\updating ANY program, make sure you always select "Custom " installation, so you can UN-check any possible "drive-by-install" (foistware), like toolbars etc., which may try to install along with the legitimate program. Do NOT click "Next" button without looking at any given page.

    13. Read:
    How did I get infected?, With steps so it does not happen again!: http://www.bleepingcomputer.com/forums/topic2520.html
    Simple and easy ways to keep your computer safe and secure on the Internet: http://www.bleepingcomputer.com/tutorials/keep-your-computer-safe-online/

    14. Please, let me know, how your computer is doing.
     
    broni,
    #25
  7. 2013/05/29
    EdieinDeep

    EdieinDeep Inactive Thread Starter

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    OTL log:

    Files\Folders moved on Reboot...
    C:\Users\Edie\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat moved successfully.
    File move failed. C:\Windows\temp\_avast_\Webshlock.txt scheduled to be moved on reboot.

    PendingFileRenameOperations files...

    Registry entries deleted on Reboot...
     
    EdieinDeep,
    #26
  8. 2013/05/29
    broni

    broni Moderator Malware Analyst

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    .....
     
    broni,
    #27
  9. 2013/05/29
    EdieinDeep

    EdieinDeep Inactive Thread Starter

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    Broni,

    I am just finishing up with the 13 steps preceding step 14 (lol). But things seem fine and the mystery file "NA" is gone.

    I want to express my gratitude for your work on my behalf. I appreciate your help tremendously. You are incredibly patient and thorough. I will make a donation to BBS.

    Now to work on my husbands desktop. Spyware found two Trojans last night.:eek:

    Thank you, Edie
     
    EdieinDeep,
    #28
  10. 2013/05/29
    broni

    broni Moderator Malware Analyst

    Joined:
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    Way to go!! [​IMG]
    Good luck and stay safe :)
     
    broni,
    #29
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