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Solved DNSunlocker infected system, unable to remove.

Discussion in 'Malware and Virus Removal' started by TJGarner, 2016/02/19.

Page 2 of 2
  1. 2016/03/06
    broni

    broni Moderator Malware Analyst

    Joined:
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    Last scans...

    [​IMG] Download Security Check from here or here and save it to your Desktop.
    • Double-click SecurityCheck.exe
    • Follow the onscreen instructions inside of the black box.
    • A Notepad document should open automatically called checkup.txt; please post the contents of that document.

    NOTE 1. If one of your security applications (e.g., third-party firewall) requests permission to allow DIG.EXE access the Internet, allow it to do so.
    NOTE 2. SecurityCheck may produce some false warning(s), so leave the results reading to me.
    NOTE 3. If you receive UNSUPPORTED OPERATING SYSTEM! ABORTED! message restart computer and Security Check should run


    [​IMG] Please download Farbar Service Scanner (FSS) and run it on the computer with the issue.
    Make sure the following options are checked:
    • Internet Services
    • Windows Firewall
    • System Restore
    • Security Center
    • Windows Update
    • Windows Defender
    • Other Services

    Press "Scan ".
    It will create a log (FSS.txt) in the same directory the tool is run.
    Please copy and paste the log to your reply.


    [​IMG] Download Temp File Cleaner (TFC)
    Alternate download: http://www.itxassociates.com/OT-Tools/TFC.exe
    • Double click on TFC.exe to run the program.
    • Click on Start button to begin cleaning process.
    • TFC will close all running programs, and it may ask you to restart computer.


    [​IMG] Download Sophos Free Virus Removal Tool and save it to your desktop.
    • Double click the icon and select Run
    • Click Next
    • Select I accept the terms in this license agreement, then click Next twice
    • Click Install
    • Click Finish to launch the program
    • Once the virus database has been updated click Start Scanning
    • If any threats are found click Details, then View log file... (bottom left hand corner)
    • Copy and paste the results in your reply
    • Close the Notepad document, close the Threat Details screen, then click Start cleanup
    • Click Exit to close the program
     
    broni,
    #21
  2. 2016/03/07
    TJGarner

    TJGarner Well-Known Member Thread Starter

    Joined:
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    Results of screen317's Security Check version 1.014 --- 12/23/15
    Windows 7 Service Pack 1 x64 (UAC is enabled)
    Internet Explorer 11
    ``````````````Antivirus/Firewall Check:``````````````
    Windows Firewall Enabled!
    avast! Antivirus
    Antivirus up to date!
    `````````Anti-malware/Other Utilities Check:`````````
    Java 7 Update 65
    Java version 32-bit out of Date!
    Adobe Flash Player 10 Flash Player out of Date!
    Adobe Flash Player 20.0.0.306
    Mozilla Firefox (44.0.2)
    ````````Process Check: objlist.exe by Laurent````````
    AVAST Software Avast AvastSvc.exe
    AVAST Software Avast avastui.exe
    `````````````````System Health check`````````````````
    Total Fragmentation on Drive C: 0%
    ````````````````````End of Log``````````````````````
     
    TJGarner,
    #22


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  4. 2016/03/07
    TJGarner

    TJGarner Well-Known Member Thread Starter

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    Farbar Service Scanner Version: 27-01-2016
    Ran by Tony's (administrator) on 07-03-2016 at 07:18:28
    Running from "C:\Users\Tony's\Downloads "
    Microsoft Windows 7 Home Premium Service Pack 1 (X64)
    Boot Mode: Normal
    ****************************************************************

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

    Connection Status:
    ==============
    Localhost is accessible.
    LAN connected.
    Attempt to access Google IP returned error. Google IP is unreachable
    Google.com is accessible.
    Yahoo.com is accessible.


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

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


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

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


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


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

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


    Windows Defender:
    ==============

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


    File Check:
    ========
    C:\Windows\System32\nsisvc.dll => File is digitally signed
    C:\Windows\System32\drivers\nsiproxy.sys => File is digitally signed
    C:\Windows\System32\dhcpcore.dll => File is digitally signed
    C:\Windows\System32\drivers\afd.sys => File is digitally signed
    C:\Windows\System32\drivers\tdx.sys => File is digitally signed
    C:\Windows\System32\Drivers\tcpip.sys => File is digitally signed
    C:\Windows\System32\dnsrslvr.dll => File is digitally signed
    C:\Windows\System32\dnsapi.dll => File is digitally signed
    C:\Windows\SysWOW64\dnsapi.dll => File is digitally signed
    C:\Windows\System32\mpssvc.dll => File is digitally signed
    C:\Windows\System32\bfe.dll => File is digitally signed
    C:\Windows\System32\drivers\mpsdrv.sys => File is digitally signed
    C:\Windows\System32\SDRSVC.dll => File is digitally signed
    C:\Windows\System32\vssvc.exe => File is digitally signed
    C:\Windows\System32\wscsvc.dll => File is digitally signed
    C:\Windows\System32\wbem\WMIsvc.dll => File is digitally signed
    C:\Windows\System32\wuaueng.dll => File is digitally signed
    C:\Windows\System32\qmgr.dll => File is digitally signed
    C:\Windows\System32\es.dll => File is digitally signed
    C:\Windows\System32\cryptsvc.dll => File is digitally signed
    C:\Program Files\Windows Defender\MpSvc.dll => File is digitally signed
    C:\Windows\System32\ipnathlp.dll => File is digitally signed
    C:\Windows\System32\iphlpsvc.dll => File is digitally signed
    C:\Windows\System32\svchost.exe => File is digitally signed
    C:\Windows\System32\rpcss.dll => File is digitally signed


    **** End of log ****
     
    TJGarner,
    #23
  5. 2016/03/07
    TJGarner

    TJGarner Well-Known Member Thread Starter

    Joined:
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    Getting user folders.

    Stopping running processes.

    Emptying Temp folders.


    User: All Users

    User: Default
    ->Temp folder emptied: 0 bytes
    ->Temporary Internet Files folder emptied: 67 bytes

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

    User: Public
    ->Temp folder emptied: 0 bytes

    User: Tony's
    ->Temp folder emptied: 87734064 bytes
    ->Temporary Internet Files folder emptied: 139192537 bytes
    ->Java cache emptied: 5311597 bytes
    ->FireFox cache emptied: 69684874 bytes
    ->Flash cache emptied: 1449 bytes

    %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: 401781128 bytes
    %systemroot%\system32\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files folder emptied: 114950 bytes
    %systemroot%\sysnative\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files folder emptied: 57288214 bytes

    Emptying RecycleBin. Do not interrupt.

    RecycleBin emptied: 0 bytes
    Process complete!

    Total Files Cleaned = 726.00 mb
     
    TJGarner,
    #24
  6. 2016/03/07
    TJGarner

    TJGarner Well-Known Member Thread Starter

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    I started Sophos Virus Removal Tool and left for work. When I came home it stated "Your computer is clean ". So there is nothing to post for Sophos.
     
    TJGarner,
    #25
  7. 2016/03/07
    broni

    broni Moderator Malware Analyst

    Joined:
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    Update your Java version here: http://www.java.com/en/download/manual.jsp
    Alternate download: http://www.filehippo.com/search?q=java

    Note 1: UNCHECK any pre-checked toolbar and/or software offered with the Java update. The pre-checked toolbars/software are not part of the Java update.
    Note 2: If you're running 64-bit system make sure you install BOTH, 32-bit and 64-bit Java.

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

    Your computer is clean [​IMG]

    1. This step will remove all cleaning tools we used, it'll reset restore points (so you won't get reinfected by accidentally using some older restore point) and it'll make some other minor adjustments...
    This is a very crucial step so make sure you don't skip it.
    Download [​IMG]DelFix by Xplode to your desktop. Delfix will delete all the used tools and logfiles.

    Double-click Delfix.exe to start the tool.
    Make sure the following items are checked:
    • Activate UAC (optional; some users prefer to keep it off)
    • Remove disinfection tools
    • Create registry backup
    • Purge System Restore
    • Reset system settings
    Now click "Run" and wait patiently.
    Once finished a logfile will be created. You don't have to attach it to your next reply.

    2. Make sure Windows Updates are current.

    3. 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!

    4. 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 "Scan without installing plugin" and then on "Scan now ")

    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), AdwCleaner and Junkware Removal Tool (JRT) weekly (you need to redownload these tools since they were removed by DelFix).

    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. 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.

    11. 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/
    About those Toolbars and Add-ons - Potentially Unwanted Programs (PUPs) which change your browser settings: http://www.bleepingcomputer.com/for...curity-questions-best-practices/#entry3187642

    12. Please, let me know, how your computer is doing.
     
    broni,
    #26
  8. 2016/03/07
    TJGarner

    TJGarner Well-Known Member Thread Starter

    Joined:
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    1. Did
    2. Windows 7 is updated (have the option to upgrade to 10 but haven't)
    3. Did
    4. Did
    5. Did
    6. Will do as recommended
    7. Re-downloaded and will do as recommended
    8. Did
    9. Did not do
    10. Will be extra careful from now on.
    11. Did
    12. It would appear that everything is running great. Nothing is obviously going on like before. The second explosion that happened a few days ago happened right at the end of watching a video on Netflix.

    While reading the articles in number 11, I think I know how I got infected. I think it was a bundled PUPs that I didn't have an option to uncheck. I will exercise much greater caution in the future.

    Thanks for taking the time to resolve this infection.
     
    TJGarner,
    #27
  9. 2016/03/07
    broni

    broni Moderator Malware Analyst

    Joined:
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    Yes!! [​IMG]
    Good luck and stay safe :)
     
    broni,
    #28
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