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How to remove LessTabs (ads, banners, deals)

Threat's profile Threat indicator: HIGH

Name of the threat:LessTabs

Command or file name:LessTabsClientIE.dll

Threat type:Adware

Affected OS:Win32/Win64 (Windows XP, Vista/7, 8/8.1, Windows 10)

Affected browsers:Google Chrome, Mozilla Firefox, Internet Explorer, Safari

LessTabs - is a delusive browser extension, which is developed by cyber criminals. It can be installed on well-known internet browsers, like Google Chrome, Internet Explorer, Mozilla Firefox. It poses as BHO (Browser Helper Object), but LessTabs is considered as ad-supported program. Why? It downloads and shows a lot of advertisements (banners, in-text links and so on). We recommend you to uninstall LessTabs from computer.

LessTabs intrusion method


LessTabs installs on your PC along with free software. This method is called "bundled installation". Freeware offers you to install additional module (LessTabs). Then if you fail to decline the offer it starts hidden installation. LessTabs copies its file(s) to your hard disk. Its typical file name is LessTabsClientIE.dll. Then it creates new startup key with name LessTabs and value LessTabsClientIE.dll. You can also find it in your processes list with name LessTabsClientIE.dll or LessTabs. Also, it can create folder with name LessTabs under C:\Program Files\ or C:\ProgramData. If you have further questions about LessTabs, please ask below. You can use programs to remove LessTabs from your browsers below.

Download Removal Tool

Download this advanced removal tool and solve problems with LessTabs and LessTabsClientIE.dll (download of fix will start immediately):

Download Removal Tool to remove LessTabs

* Removal Tool was developed to remove LessTabs-related issues in automatic mode. Remover has active module to protect PC from hijackers. Program was tested on Windows XP, Windows Vista, Windows 7, Windows 8 and Windows 10. Trial version of Removal Tool provides detection of computer threats like LessTabs for FREE.

Features of Removal Tool

  • Removes all files created by LessTabs.
  • Removes all registry entries created by LessTabs.
  • You can activate System and Network Guards and forget about malware.
  • Can fix browser problems and protect browser settings.
  • Removal is guaranteed - if Removal Tool fails ask for FREE support.
  • 24/7 Spyware Helpdesk Support included into the package.

Download Stronghold AntiMalware by Security Stronghold LLC

Download antimalware designed specifically to remove threats like LessTabs and LessTabsClientIE.dll (download of fix will start immediately):

Download AntiMalware to remove LessTabs

Features of Stronghold Antimalware

  • Removes all files created by LessTabs.
  • Removes all registry entries created by LessTabs.
  • Fixes browser redirection and hijack if needed.
  • "Toolbar Remover" tool will help you get rid of unwanted browser extensions.
  • Removal is guaranteed - if Stronghold AntiMalware fails ask for FREE support.
  • 24/7 Helpdesk Support and 5 hours of Remote Support via GoToAssist included into the package.

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Software Industry Professionals Member Threat's description and solution are developed by Security Stronghold security team.

Here you can also learn:

How to remove LessTabs manually

This problem can be solved manually by deleting all registry keys and files connected with LessTabs, removing it from startup list and unregistering all corresponding DLLs. Additionally missing DLL's should be restored from distribution in case they are corrupted by LessTabs.

To get rid of LessTabs, you should:

1. Kill the following processes and delete the appropriate files:

  • cekmkdkefndbeciggfanobcemjnppbbb.crx
  • LessTabsClientIE.dll
  • terms-of-service.rtf
  • Uninstall.exe

Warning: you should delete only those files which checksums are listed as malicious. There may be valid files with the same names in your system. We recommend you to use LessTabs Removal Tool for safe problem solution.

2. Delete the following malicious folders:

  • %PROGRAMFILES%\Mozilla Firefox\extensions\\
  • %PROGRAMFILES%\LessTabs\

3. Delete the following malicious registry entries and\or values:

  • Key: HKLM\SOFTWARE\Classes\CLSID\{3178A392-8963-471E-B7A2-969CB58D6496}
  • Key: HKLM\SOFTWARE\Classes\Interface\{39E6096A-E5CA-483A-A05C-AA967F48FD1C}
  • Key: HKLM\SOFTWARE\Classes\TypeLib\{8A2BBD3A-2130-4882-B198-863271F320DE}
  • Key: HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects
  • Key: HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\LessTabs
  • Key:
  • Key: HKLM\SOFTWARE\LessTabs

Warning: if value is listed for some registry entries, you should only clear these values and leave keys with such values untouched. We recommend you to use LessTabs Removal Tool for safe problem solution.

Uninstall LessTabs related programs from Control Panel

We recommend you to check list of installed programs and search for LessTabs entry or other unknown and suspicious programs. Below are instructions for different version if Windows. In some cases adware programs are protected by malicious service or process and it will not allow you to uninstall it. If LessTabs won't uninstall or gives you error message that you do not have sufficient rights to do this perform below instructions in Safe Mode or Safe Mode with Networking or use LessTabs Removal Tool.

Windows 10

  • Click on the Start menu and choose Settings
  • Then click on System and choose Apps & Features in the left column
  • Find LessTabs under in the list and click Uninstall button near it.
  • Confirm by clicking Uninstall button in opened window if necessary.

Windows 8/8.1

  • Right click on the bottom left corner of the screen (while on your desktop)
  • In the menu choose Control Panel
  • Click Uninstall a program under Programs and Features.
  • Locate programs that can be connected with LessTabs or other related suspicious program.
  • Click Uninstall button.
  • Wait until uninstall process is complete.

Windows 7/Vista

  • Click Start and choose Control Panel.
  • Choose Programs and Features and Uninstall a program.
  • In the list of installed programs find entries related to LessTabs
  • Click Uninstall button.

Windows XP

  • Click Start
  • In the menu choose Control Panel
  • Choose Add / Remove Programs.
  • Find LessTabs related entries.
  • Click Remove button.

Remove LessTabs related extensions from your browsers

LessTabs in some cases can be accompanied with browsers extension. We recommend you to use free option Toolbar Remover under Tools in Stronghold AntiMalware to remove unwanted browser extensions related to LessTabs. We recommend you to perform scan your PC with Removal Tool or Stronghold AntiMalware. To remove extenions from your browsers manually do the following:

Internet Explorer

  • While in Internet Explorer click cogwheel icon in the top right corner
  • In the menu choose the Manage Add-ons
  • Select Toolbar and Extension tab.
  • Choose add-on possibly related to LessTabs or other related adware BHO.
  • Click Disable button.

Warning: This option will only disable unwanted plugin. For effective LessTabs removal use LessTabs Removal Tool.

Google Chrome

  • Start Google Chrome.
  • In the address bar type chrome://extensions/
  • In the list of add-ons find related to LessTabs and click recycle bin icon.
  • Confirm LessTabs removal.

Mozilla Firefox

  • Open Firefox
  • In the address bar type about:addons
  • Click Extensions tab.
  • In the list of extension locate ones related to LessTabs.
  • Click Remove button near it.

Protect computer and browsers from infection

Adware threats like LessTabs are very widespread and, unfortunately, many anti-virus programs fail to detect it. To protect your computer from future infection we recommend you to use Removal Tool, it has active protection module and browser settings guard. It does not conflict with any anti-virus programs and creates additional shield against threats like LessTabs.

Here are the descriptions of problems connected with LessTabs and LessTabsClientIE.dll we received earlier:

Problem Summary: less tab add on

less tab extention attached to my browser , uninvited , help remove , Please

Problem was successfully solved. Ticket was closed.

Problem Summary: less tab add on

less tab extention attached to my browser , uninvited , help remove , Please

Problem was successfully solved. Ticket was closed.

Problem Summary: Crashing browser due to LessTabsclientIE.dll)

My web browser (IE10) closes frequently when performing job related searches. I work in IT.

The app log records event ID 1000:

Faulting application name: IEXPLORE.EXE, version: 10.0.9200.16537, time stamp: 0x512347f7
Faulting module name: LessTabsClientIE.dll, version:, time stamp: 0x517f5564
Exception code: 0xc0000005
Fault offset: 0x0000641c
Faulting process id: 0x3dd8
Faulting application start time: 0x01ce7116c4235025
Faulting application path: C:Program Files (x86)Internet ExplorerIEXPLORE.EXE
Faulting module path: C:Program Files (x86)LessTabsIE32LessTabsClientIE.dll
Report Id: 02c636a7-dd0a-11e2-be7a-b8763f881b62
Faulting package full name:
Faulting package-relative application ID:

Problem was successfully solved. Ticket was closed.

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