Removal instructions for YoutubeAdBluockee

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What is YoutubeAdBluockee?

The Malwarebytes research team has determined that YoutubeAdBluockee is a browser hijacker. These so-called "hijackers" alter your startpage or searchscopes so that the effected browser visits their site or one of their choice. This one also displays advertisements.

How do I know if my computer is affected by YoutubeAdBluockee?

You may see these browser extensions:

or this entry in your list of installed programs:

How did YoutubeAdBluockee get on my computer?

Browser hijackers use different methods for distributing themselves. This particular one was bundled with other software.

How do I remove YoutubeAdBluockee?

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, 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 YoutubeAdBluockee?

• These Multiplug variants delete the Browser Helper Objects key for Internet Explorer from the Windows registry. This will cause possible errors and instable behaviour of this browser. You may have to re-install some software to cure this.

How would the full version of Malwarebytes Anti-Malware help protect me?

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

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

Technical details for experts

Signs in a HijackThis log:

none added, but you may notice some missing O2 entries

Alterations made by the installer:

File system details  ---------------------------------------------    Adds the folder C:\Program Files\YoutubeAdBluockee       Adds the file xN.dat"="8/31/2013 9:42 AM, 6247 bytes, A       Adds the file xN.dll"="8/31/2014 9:42 AM, 547840 bytes, A       Adds the file xN.tlb"="8/31/2014 9:42 AM, 3832 bytes, A       Adds the file xN.x64.dll"="8/31/2014 9:42 AM, 591360 bytes, A    Adds the folder C:\ProgramData\b76f9c79baa0b2d1       Adds the file {4820778D-AB0D-6D18-C316-52A6A0E1D507}.20140831094215"="8/31/2014 9:42 AM, 77340 bytes, A    Adds the folder C:\ProgramData\YoutubeAdBluockee       Adds the file oxC.dat"="8/31/2014 9:42 AM, 6247 bytes, A       Adds the file oxC.exe"="8/31/2014 9:42 AM, 673280 bytes, A    Adds the folder C:\Users\Administrator\AppData\Local\Chromatic Browser\User Data\Default\Extensions\ploidajimffcengpkbbhgfmhhbgocakh\1.0    Adds the folder C:\Users\Administrator\AppData\Local\Comodo\Dragon\User Data\Default\Extensions\ploidajimffcengpkbbhgfmhhbgocakh\1.0    Adds the folder C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\ploidajimffcengpkbbhgfmhhbgocakh\1.0    Adds the folder C:\Users\Administrator\AppData\Local\Google\Chrome SxS\User Data\Default\Extensions\ploidajimffcengpkbbhgfmhhbgocakh\1.0    Adds the folder C:\Users\Administrator\AppData\Local\Torch\User Data\Default\Extensions\ploidajimffcengpkbbhgfmhhbgocakh\1.0    Adds the folder C:\Users\Guest\AppData\Local\Chromatic Browser\User Data\Default\Extensions\ploidajimffcengpkbbhgfmhhbgocakh\1.0    Adds the folder C:\Users\Guest\AppData\Local\Comodo\Dragon\User Data\Default\Extensions\ploidajimffcengpkbbhgfmhhbgocakh\1.0    Adds the folder C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\ploidajimffcengpkbbhgfmhhbgocakh\1.0    Adds the folder C:\Users\Guest\AppData\Local\Google\Chrome SxS\User Data\Default\Extensions\ploidajimffcengpkbbhgfmhhbgocakh\1.0    Adds the folder C:\Users\Guest\AppData\Local\Torch\User Data\Default\Extensions\ploidajimffcengpkbbhgfmhhbgocakh\1.0    Adds the folder C:\Users\HomeGroupUser$\AppData\Local\Chromatic Browser\User Data\Default\Extensions\ploidajimffcengpkbbhgfmhhbgocakh\1.0    Adds the folder C:\Users\HomeGroupUser$\AppData\Local\Comodo\Dragon\User Data\Default\Extensions\ploidajimffcengpkbbhgfmhhbgocakh\1.0    Adds the folder C:\Users\HomeGroupUser$\AppData\Local\Google\Chrome\User Data\Default\Extensions\ploidajimffcengpkbbhgfmhhbgocakh\1.0    Adds the folder C:\Users\HomeGroupUser$\AppData\Local\Google\Chrome SxS\User Data\Default\Extensions\ploidajimffcengpkbbhgfmhhbgocakh\1.0    Adds the folder C:\Users\HomeGroupUser$\AppData\Local\Torch\User Data\Default\Extensions\ploidajimffcengpkbbhgfmhhbgocakh\1.0    Adds the folder C:\Users\{username}\AppData\Local\Chromatic Browser\User Data\Default\Extensions\ploidajimffcengpkbbhgfmhhbgocakh\1.0    Adds the folder C:\Users\{username}\AppData\Local\Comodo\Dragon\User Data\Default\Extensions\ploidajimffcengpkbbhgfmhhbgocakh\1.0    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\ploidajimffcengpkbbhgfmhhbgocakh\1.0       Adds the file background.html"="8/31/2013 9:42 AM, 140 bytes, A       Adds the file content.js"="8/31/2014 9:42 AM, 144 bytes, A       Adds the file gxI.js"="8/31/2013 9:42 AM, 5564 bytes, A       Adds the file lsdb.js"="8/31/2014 9:42 AM, 531 bytes, A       Adds the file manifest.json"="8/31/2013 9:42 AM, 509 bytes, A    Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome SxS\User Data\Default\Extensions\ploidajimffcengpkbbhgfmhhbgocakh\1.0    Adds the folder C:\Users\{username}\AppData\Local\Torch\User Data\Default\Extensions\ploidajimffcengpkbbhgfmhhbgocakh\1.0    Adds the folder C:\Users\{username}\AppData\Roaming\Mozilla\Firefox\Profiles\6qeoodjs.default-1401006518835\extensions\staged\jazs@iaucca.co.uk       Adds the file bootstrap.js"="8/31/2013 9:42 AM, 2515 bytes, A       Adds the file chrome.manifest"="8/31/2013 9:42 AM, 23 bytes, A       Adds the file install.rdf"="8/31/2014 9:42 AM, 608 bytes, A    Adds the folder C:\Users\{username}\AppData\Roaming\Mozilla\Firefox\Profiles\6qeoodjs.default-1401006518835\extensions\staged\jazs@iaucca.co.uk\content       Adds the file bg.js"="8/31/2013 9:42 AM, 7678 bytes, ARegistry details  ------------------------------------------    [-HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects]    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{4820778D-AB0D-6D18-C316-52A6A0E1D507}]       "_In"="REG_SZ", "20140831"       "CategoryName"="REG_SZ", "Apps"       "DisplayIcon"="REG_SZ", "C:\Windows\System32\msiexec.exe"       "DisplayName"="REG_SZ", "YoutubeAdBluockee"       "DisplayVersion"="REG_SZ", "3.0.0.1981"       "InstallDate"="REG_SZ", "20140824"       "NoModify"="REG_DWORD", 1       "NoRepair"="REG_DWORD", 1       "Publisher"="REG_SZ", "YYooutuubbeAdBBleoucKe"       "SilentUninstall"="REG_SZ", ""C:\ProgramData\YoutubeAdBluockee\oxC.exe" /s /n /i:"ExecuteCommands;UninstallCommands" "C:\ProgramData\YoutubeAdBluockee\oxC.exe""       "UninstallString"="REG_SZ", ""C:\ProgramData\YoutubeAdBluockee\oxC.exe" /s /n /i:"ExecuteCommands;UninstallCommands" "C:\ProgramData\YoutubeAdBluockee\oxC.exe""       "URLInfoAbout"="REG_SZ", ""       "URLUpdateInfo"="REG_SZ", ""

Malwarebytes Anti-Malware log:

Malwarebytes Anti-Malwarewww.malwarebytes.orgScan Date: 8/31/2014Scan Time: 9:53:47 AMLogfile: mbamMultiplug1.txtAdministrator: YesVersion: 2.00.2.1012Malware Database: v2014.08.31.01Rootkit Database: v2014.08.21.01License: FreeMalware Protection: DisabledMalicious Website Protection: DisabledSelf-protection: DisabledOS: Windows 7 Service Pack 1CPU: x86File System: NTFSUser: MalwarebytesScan Type: Threat ScanResult: CompletedObjects Scanned: 259368Time Elapsed: 3 min, 51 secMemory: EnabledStartup: EnabledFilesystem: EnabledArchives: EnabledRootkits: DisabledHeuristics: EnabledPUP: EnabledPUM: EnabledProcesses: 0(No malicious items detected)Modules: 0(No malicious items detected)Registry Keys: 1PUP.Optional.MultiPlug, HKLM\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\{4820778D-AB0D-6D18-C316-52A6A0E1D507}, Quarantined, [e736d3fabcbf2b0beccca60c50b131cf], Registry Values: 0(No malicious items detected)Registry Data: 0(No malicious items detected)Folders: 6PUP.Optional.Multiplug, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\ploidajimffcengpkbbhgfmhhbgocakh, Quarantined, [b36a25a8a5d6bb7b5b7902e88b776799], PUP.Optional.Multiplug, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\ploidajimffcengpkbbhgfmhhbgocakh\1.0, Quarantined, [b36a25a8a5d6bb7b5b7902e88b776799], PUP.Optional.Multiplug, C:\Users\{username}\AppData\Roaming\Mozilla\Firefox\Profiles\6qeoodjs.default-1401006518835\extensions\jazs@iaucca.co.uk, Quarantined, [28f54d805625092dfddd6387fa084bb5], PUP.Optional.Multiplug, C:\Users\{username}\AppData\Roaming\Mozilla\Firefox\Profiles\6qeoodjs.default-1401006518835\extensions\jazs@iaucca.co.uk\content, Quarantined, [28f54d805625092dfddd6387fa084bb5], PUP.Optional.MultiPlug, C:\Program Files\YoutubeAdBluockee, Quarantined, [1d00e6e768136cca6b80edfd47bbe61a], PUP.Optional.MultiPlug, C:\ProgramData\YoutubeAdBluockee, Quarantined, [23fa735a7a01cd69ae4d06e44fb319e7], Files: 16PUP.Optional.MultiPlug, C:\ProgramData\YoutubeAdBluockee\oxC.exe, Quarantined, [e736d3fabcbf2b0beccca60c50b131cf], PUP.Optional.MultiPlug, C:\Users\{username}\Desktop\Multiplug1.exe, Quarantined, [dd40f8d5a7d40036a90fbcf64eb354ac], PUP.Optional.Multiplug, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\ploidajimffcengpkbbhgfmhhbgocakh\1.0\background.html, Quarantined, [b36a25a8a5d6bb7b5b7902e88b776799], PUP.Optional.Multiplug, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\ploidajimffcengpkbbhgfmhhbgocakh\1.0\content.js, Quarantined, [b36a25a8a5d6bb7b5b7902e88b776799], PUP.Optional.Multiplug, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\ploidajimffcengpkbbhgfmhhbgocakh\1.0\gxI.js, Quarantined, [b36a25a8a5d6bb7b5b7902e88b776799], PUP.Optional.Multiplug, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\ploidajimffcengpkbbhgfmhhbgocakh\1.0\lsdb.js, Quarantined, [b36a25a8a5d6bb7b5b7902e88b776799], PUP.Optional.Multiplug, C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\ploidajimffcengpkbbhgfmhhbgocakh\1.0\manifest.json, Quarantined, [b36a25a8a5d6bb7b5b7902e88b776799], PUP.Optional.Multiplug, C:\Users\{username}\AppData\Roaming\Mozilla\Firefox\Profiles\6qeoodjs.default-1401006518835\extensions\jazs@iaucca.co.uk\bootstrap.js, Quarantined, [28f54d805625092dfddd6387fa084bb5], PUP.Optional.Multiplug, C:\Users\{username}\AppData\Roaming\Mozilla\Firefox\Profiles\6qeoodjs.default-1401006518835\extensions\jazs@iaucca.co.uk\chrome.manifest, Quarantined, [28f54d805625092dfddd6387fa084bb5], PUP.Optional.Multiplug, C:\Users\{username}\AppData\Roaming\Mozilla\Firefox\Profiles\6qeoodjs.default-1401006518835\extensions\jazs@iaucca.co.uk\install.rdf, Quarantined, [28f54d805625092dfddd6387fa084bb5], PUP.Optional.Multiplug, C:\Users\{username}\AppData\Roaming\Mozilla\Firefox\Profiles\6qeoodjs.default-1401006518835\extensions\jazs@iaucca.co.uk\content\bg.js, Quarantined, [28f54d805625092dfddd6387fa084bb5], PUP.Optional.MultiPlug, C:\Program Files\YoutubeAdBluockee\xN.dat, Quarantined, [1d00e6e768136cca6b80edfd47bbe61a], PUP.Optional.MultiPlug, C:\Program Files\YoutubeAdBluockee\xN.dll, Quarantined, [1d00e6e768136cca6b80edfd47bbe61a], PUP.Optional.MultiPlug, C:\Program Files\YoutubeAdBluockee\xN.tlb, Quarantined, [1d00e6e768136cca6b80edfd47bbe61a], PUP.Optional.MultiPlug, C:\Program Files\YoutubeAdBluockee\xN.x64.dll, Quarantined, [1d00e6e768136cca6b80edfd47bbe61a], PUP.Optional.MultiPlug, C:\ProgramData\YoutubeAdBluockee\oxC.dat, Quarantined, [23fa735a7a01cd69ae4d06e44fb319e7], 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.