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Removal instructions for DNS Unlocker

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What is DNS Unlocker?

The Malwarebytes research team has determined that DNS Unlocker is adware. These adware applications display advertisements not originating from the sites you are browsing.

How do I know if my computer is affected by DNS Unlocker?

You may see this entry in your list of installed programs:

warning4.png

this Scheduled Task:

warning3.png

this warning during install:

main.png

and this type of advertisements (opening a new browser tab/window) :

warning1.png

How did DNS Unlocker get on my computer?

Adware applications use different methods for distributing themselves. This particular one was bundled with other software.

How do I remove DNS Unlocker?

Our program Malwarebytes Anti-Malware can detect and remove this potentially unwanted program.

  • Please download Malwarebytes Anti-Malware to your desktop.
  • Double-click mbam-setup-version.exe and follow the prompts to install the program.
  • At the end, be sure a check-mark is placed next to the following:
    • Enable free trial of Malwarebytes Anti-Malware Premium
    • Launch Malwarebytes Anti-Malware
  • Then click Finish.
  • If an update is found, you will be prompted to download and install the latest version.
  • Once the program has loaded, click on "Detection and Protection" to put a checkmark before "Scan for Rootkits".
  • When this option is checked, select Scan now. Or select the Threat Scan from the Scan menu.
  • When the scan is complete , make sure that everything is set to "Quarantine", and click Apply Actions.
  • Reboot your computer if prompted.
Is there anything else I need to do to get rid of DNS Unlocker?
  • No, Malwarebytes' Anti-Malware removes DNS Unlocker completely.
  • This PUP creates a scheduled task. You can read here how to check for and, if necessary, remove Scheduled Tasks.
How would the full version of Malwarebytes Anti-Malware help protect me?

We hope our application and this guide have helped you eradicate this adware application.

As you can see below the full version of Malwarebytes Anti-Malware would have protected you against the DNS Unlocker adware. It would have warned you before the application could install itself, giving you a chance to stop it before it became too late.

protection1.png

Technical details for experts

You will see these signs in a HijackThis log:

O17 - HKLM\System\CCS\Services\Tcpip\..\{B2AD56A0-C00C-497D-B00C-CDDE2602821F}: NameServer = 82.163.143.157,82.163.142.159O17 - HKLM\System\CCS\Services\Tcpip\..\{CEFD8B43-5DCF-4F4B-AB04-9CE5BC3390AE}: NameServer = 82.163.143.157,82.163.142.159O17 - HKLM\System\CCS\Services\Tcpip\..\{E71E7B0F-BEFA-44CD-A88B-486C243B4499}: NameServer = 82.163.143.157,82.163.142.159O17 - HKLM\System\CCS\Services\Tcpip\..\{F7303DDF-1D80-4E89-9EFA-E22263CF337E}: NameServer = 82.163.143.157,82.163.142.159
You may see these signs in FRST logs:

 Tcpip\..\Interfaces\{B2AD56A0-C00C-497D-B00C-CDDE2602821F}: [NameServer] 82.163.143.157,82.163.142.159 Tcpip\..\Interfaces\{CEFD8B43-5DCF-4F4B-AB04-9CE5BC3390AE}: [NameServer] 82.163.143.157,82.163.142.159 Tcpip\..\Interfaces\{E71E7B0F-BEFA-44CD-A88B-486C243B4499}: [NameServer] 82.163.143.157,82.163.142.159 Tcpip\..\Interfaces\{F7303DDF-1D80-4E89-9EFA-E22263CF337E}: [NameServer] 82.163.143.157,82.163.142.159 C:\Windows\System32\Tasks\DNSPRESTONSBURG C:\Program Files (x86)\DNS UnlockerDNS Unlocker version 1.3 (HKLM-x32\...\{E1527582-8509-4011-B922-29E3FB548882}_is1) (Version: 1.3 - www.vidcreek.tv) <==== ATTENTIONTask: {814D918E-4A77-4C81-BF3E-8B689B7E55E8} - System32\Tasks\DNSPRESTONSBURG => C:\Program Files (x86)\DNS Unlocker\dnsprestonsburg.exe [2015-07-19] ()
Alterations made by the installer:

File system details [View: All details] (Selection)---------------------------------------------------    Adds the folder C:\Program Files (x86)\DNS Unlocker       Adds the file CloudGuard.cer"="7/19/2015 7:44 AM, 1099 bytes, A       Adds the file config.ini"="7/19/2015 7:44 AM, 496 bytes, A       Adds the file ConsoleApplication1.dll"="7/19/2015 7:44 AM, 241664 bytes, A       Adds the file dnsprestonsburg.exe"="7/19/2015 7:44 AM, 537088 bytes, A       Adds the file Info.rtf"="7/19/2015 7:44 AM, 1610 bytes, A       Adds the file License.rtf"="7/19/2015 7:44 AM, 22314 bytes, A       Adds the file LogoBlack.ico"="7/19/2015 7:44 AM, 38059 bytes, A       Adds the file LogoGreen.ico"="7/19/2015 7:44 AM, 57754 bytes, A       Adds the file LogoYellow.ico"="7/19/2015 7:44 AM, 58346 bytes, A       Adds the file Microsoft.Win32.TaskScheduler.dll"="7/19/2015 7:44 AM, 239616 bytes, A       Adds the file settings.ini"="9/1/2015 10:05 AM, 73 bytes, A       Adds the file unins000.dat"="9/1/2015 10:05 AM, 18388 bytes, A       Adds the file unins000.exe"="9/1/2015 10:05 AM, 719711 bytes, A       Adds the file ZonaTools.XPlorerBar.dll"="7/19/2015 7:44 AM, 67584 bytes, A    In the existing folder C:\Windows\System32\Tasks       Adds the file DNSPRESTONSBURG"="9/1/2015 10:05 AM, 26372 bytes, ARegistry details [View: All details] (Selection)------------------------------------------------    [HKEY_LOCAL_MACHINE\SOFTWARE\5da059a482fd494db3f252126fbc3d5b]       "DP"="REG_SZ"", "44"       "SDP1"="REG_SZ"", "00001"       "SDP2"="REG_SZ"", "00001"       "status"="REG_SZ"", "1"       "UID"="REG_SZ"", "5e2557da87514a949d30e7001867cce9"    [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\5da059a482fd494db3f252126fbc3d5b\Settings]       "InstallPath"="REG_SZ"", "C:\Program Files (x86)\DNS Unlocker"    [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{E1527582-8509-4011-B922-29E3FB548882}_is1]       "DisplayName"="REG_SZ"", "DNS Unlocker version 1.3"       "DisplayVersion"="REG_SZ"", "1.3"       "EstimatedSize"="REG_DWORD"", 2749       "Inno Setup: App Path"="REG_SZ"", "C:\Program Files (x86)\DNS Unlocker"       "Inno Setup: Icon Group"="REG_SZ"", "DNS Unlocker"       "Inno Setup: Language"="REG_SZ"", "english"       "Inno Setup: Setup Version"="REG_SZ"", "5.5.5 (a)"       "Inno Setup: User"="REG_SZ"", "{username}"       "InstallDate"="REG_SZ"", "20150901"       "InstallLocation"="REG_SZ"", "C:\Program Files (x86)\DNS Unlocker\"       "MajorVersion"="REG_DWORD"", 1       "MinorVersion"="REG_DWORD"", 3       "NoModify"="REG_DWORD"", 1       "NoRepair"="REG_DWORD"", 1       "Publisher"="REG_SZ"", "www.vidcreek.tv"       "QuietUninstallString"="REG_SZ"", ""C:\Program Files (x86)\DNS Unlocker\unins000.exe" /SILENT"       "UninstallString"="REG_SZ"", ""C:\Program Files (x86)\DNS Unlocker\unins000.exe""
Malwarebytes Anti-Malware log:

Malwarebytes Anti-Malwarewww.malwarebytes.orgScan Date: 9/1/2015Scan Time: 10:29 AMLogfile: mbamDNSunlocker.txtAdministrator: YesVersion: 2.1.8.1057Malware Database: v2015.09.01.01Rootkit Database: v2015.08.16.01License: PremiumMalware Protection: DisabledMalicious Website Protection: EnabledSelf-protection: DisabledOS: Windows 8.1CPU: x64File System: NTFSUser: {username}Scan Type: Threat ScanResult: CompletedObjects Scanned: 348000Time Elapsed: 28 min, 45 secMemory: EnabledStartup: EnabledFilesystem: EnabledArchives: EnabledRootkits: EnabledHeuristics: EnabledPUP: EnabledPUM: EnabledProcesses: 1PUP.Optional.CloudGuard.BrwsrFlsh, C:\Program Files (x86)\DNS Unlocker\dnsprestonsburg.exe, 1964, Delete-on-Reboot, [eec7d2587615f244f4c5be0dac555ca4]Modules: 0(No malicious items detected)Registry Keys: 2PUP.Optional.DNSUnblocker, HKLM\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\SCHEDULE\TASKCACHE\TREE\DNSPRESTONSBURG, Delete-on-Reboot, [268f91999fecd36392b09cef758f59a7], PUP.Optional.DNSUnlocker.BrwsrFlsh, HKLM\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\{E1527582-8509-4011-B922-29E3FB548882}_is1, Quarantined, [4d689d8dbfccf541304041b41be739c7], Registry Values: 0(No malicious items detected)Registry Data: 4Trojan.DNSChanger, HKLM\SYSTEM\CURRENTCONTROLSET\SERVICES\TCPIP\PARAMETERS\Interfaces\{B2AD56A0-C00C-497D-B00C-CDDE2602821F}|NameServer, 82.163.143.157,82.163.142.159, Good: (), Bad: (82.163.143.157,82.163.142.159),Replaced,[0ca979b13c4fa492c6b6d58c6b9a8a76]Trojan.DNSChanger, HKLM\SYSTEM\CURRENTCONTROLSET\SERVICES\TCPIP\PARAMETERS\Interfaces\{CEFD8B43-5DCF-4F4B-AB04-9CE5BC3390AE}|NameServer, 82.163.143.157,82.163.142.159, Good: (), Bad: (82.163.143.157,82.163.142.159),Replaced,[1f9632f88407db5b9ae2cc95ff0617e9]Trojan.DNSChanger, HKLM\SYSTEM\CURRENTCONTROLSET\SERVICES\TCPIP\PARAMETERS\Interfaces\{E71E7B0F-BEFA-44CD-A88B-486C243B4499}|NameServer, 82.163.143.157,82.163.142.159, Good: (), Bad: (82.163.143.157,82.163.142.159),Replaced,[13a227036526bd791b615e03966ff30d]Trojan.DNSChanger, HKLM\SYSTEM\CURRENTCONTROLSET\SERVICES\TCPIP\PARAMETERS\Interfaces\{F7303DDF-1D80-4E89-9EFA-E22263CF337E}|NameServer, 82.163.143.157,82.163.142.159, Good: (), Bad: (82.163.143.157,82.163.142.159),Replaced,[e6cfc06ac8c3dd59186481e0679e59a7]Folders: 1PUP.Optional.DNSUnlocker.BrwsrFlsh, C:\Program Files (x86)\DNS Unlocker, Delete-on-Reboot, [4d689d8dbfccf541304041b41be739c7], Files: 16PUP.Optional.CloudGuard.BrwsrFlsh, C:\Program Files (x86)\DNS Unlocker\dnsprestonsburg.exe, Delete-on-Reboot, [eec7d2587615f244f4c5be0dac555ca4], PUP.Optional.DNSUnlocker.BrwsrFlsh, C:\Users\{username}\Desktop\DNS Unlocker Setup  .exe, Quarantined, [4c692406612a320441c268f39d63a35d], PUP.Optional.DNSUnlocker, C:\Program Files (x86)\DNS Unlocker\ZonaTools.XPlorerBar.dll, Quarantined, [684d5dcd6b2092a4d6d33d90eb166d93], PUP.Optional.DNSUnblocker, C:\Windows\System32\Tasks\DNSPRESTONSBURG, Quarantined, [c0f552d843482511e8588a01ae56d030], PUP.Optional.DNSUnlocker.BrwsrFlsh, C:\Program Files (x86)\DNS Unlocker\CloudGuard.cer, Quarantined, [4d689d8dbfccf541304041b41be739c7], PUP.Optional.DNSUnlocker.BrwsrFlsh, C:\Program Files (x86)\DNS Unlocker\config.ini, Quarantined, [4d689d8dbfccf541304041b41be739c7], PUP.Optional.DNSUnlocker.BrwsrFlsh, C:\Program Files (x86)\DNS Unlocker\ConsoleApplication1.dll, Quarantined, [4d689d8dbfccf541304041b41be739c7], PUP.Optional.DNSUnlocker.BrwsrFlsh, C:\Program Files (x86)\DNS Unlocker\Info.rtf, Quarantined, [4d689d8dbfccf541304041b41be739c7], PUP.Optional.DNSUnlocker.BrwsrFlsh, C:\Program Files (x86)\DNS Unlocker\License.rtf, Quarantined, [4d689d8dbfccf541304041b41be739c7], PUP.Optional.DNSUnlocker.BrwsrFlsh, C:\Program Files (x86)\DNS Unlocker\LogoBlack.ico, Quarantined, [4d689d8dbfccf541304041b41be739c7], PUP.Optional.DNSUnlocker.BrwsrFlsh, C:\Program Files (x86)\DNS Unlocker\LogoGreen.ico, Quarantined, [4d689d8dbfccf541304041b41be739c7], PUP.Optional.DNSUnlocker.BrwsrFlsh, C:\Program Files (x86)\DNS Unlocker\LogoYellow.ico, Quarantined, [4d689d8dbfccf541304041b41be739c7], PUP.Optional.DNSUnlocker.BrwsrFlsh, C:\Program Files (x86)\DNS Unlocker\Microsoft.Win32.TaskScheduler.dll, Delete-on-Reboot, [4d689d8dbfccf541304041b41be739c7], PUP.Optional.DNSUnlocker.BrwsrFlsh, C:\Program Files (x86)\DNS Unlocker\settings.ini, Quarantined, [4d689d8dbfccf541304041b41be739c7], PUP.Optional.DNSUnlocker.BrwsrFlsh, C:\Program Files (x86)\DNS Unlocker\unins000.dat, Quarantined, [4d689d8dbfccf541304041b41be739c7], PUP.Optional.DNSUnlocker.BrwsrFlsh, C:\Program Files (x86)\DNS Unlocker\unins000.exe, Quarantined, [4d689d8dbfccf541304041b41be739c7], Physical Sectors: 0(No malicious items detected)(end)
As mentioned before the full version of Malwarebytes Anti-Malware could have protected your computer against this threat.

We use different ways of protecting your computer(s):

  • Dynamically Blocks Malware Sites & Servers
  • Malware Execution Prevention
Save yourself the hassle and get protected.

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