How to remove Quiclean Adware (Chrome Extension Scam)

Quiclean 1.0.0 (by quiclean.net) is a malicious Google Chrome extension which may hijack your default search engine or display pop-up ads and unwanted advertisements on web pages that you visit.

Quiclean Chrome Scam Virus

The Quiclean “Installed by enterprise policy” extension got on your PC after you have installed a freeware software that had bundled into their installation this program. Unfortunately, some free downloads do not adequately disclose that other software will also be installed and you may find that you have installed Quiclean Chrome extension without your knowledge.

The Quiclean extension is forcefully installed into Chrome through the use of Windows group policies. This makes the Quiclean extension very difficult to remove because when a user tries to right-click on the extension to remove it, the normal “Remove” option will not be available and instead the user will see a message that states “Installed by your administrator” or “Installed by enterprise policy“.
The ID of the Quiclean Chrome extension is: adabkdnhibpjeiajccbmgghnojkmckpe.

A typical behavior for the Quiclean “Installed by enterprise policy” malicious extensions is:

  • Advertising banners are injected with the web pages that you are visiting.
  • Random web page text is turned into hyperlinks.
  • Browser popups appear which recommend fake updates or other software.
  • Your browser homepage and default search may be changed
  • Your browser search queries are being redirected or tracked
You should always pay attention when installing software because often, a software installer includes optional installs, such as this Quiclean extension. Be very careful what you agree to install.
Always opt for the custom installation and deselect anything that is not familiar, especially optional software that you never wanted to download and install in the first place. It goes without saying that you should not install software that you don’t trust.

How to remove Quiclean “Enterprise Policy” Extension (Virus Help Guide)

This malware removal guide may appear overwhelming due to the amount of the steps and numerous programs that are being used. We have only written it this way to provide clear, detailed, and easy to understand instructions that anyone can use to remove malware for free.
Please perform all the steps in the correct order. If you have any questions or doubt at any point, STOP and ask for our assistance.

To remove the Quiclean Adware, follow these steps:

STEP 1: Reset the Group Policy to remove Quiclean Enterprise Policy

  1. Open the Command Prompt by pressing “Windows Key + X”, and click on “Command Prompt (Admin)” to open it in Administrator mode.
    Command Prompt Admin

    You can easily open the command prompt by typing “cmd” into the search box (Win + S), then right-click and choose Run as Administrator

    Command Prompt Windows 10

  2. In the Command prompt type (or copy/paste) the following commands:
    1. Type:
      rd /S /Q "%WinDir%\System32\GroupPolicyUsers"
      Press Enter.
    2. Type:
      rd /S /Q "%WinDir%\System32\GroupPolicy"
      Press Enter.
    3. Type:
      gpupdate /force
      Press Enter.

    Reset Group policy Windows

    You should see the following notifications after the commands been run:
    User Policy update has completed successfully.
    Computer Policy update has completed successfully
    Group policy reset Windows 10
  3. The “Installed by enterprise policy” permissions will now be removed from Chrome, and you should be able to remove the Quiclean extension.

STEP 2: Reset Google Chrome to the default settings

Google Chrome has an option that will reset itself to its default settings. Resetting your browser settings will reset the unwanted changes caused by installing other programs. However, your saved bookmarks and passwords will not be cleared or changed.

  1. Click on Chrome’s main menu button, represented by three horizontal lines. When the drop-down menu appears, select the option labeled Settings.
    Google Chrome Settings menu
  2. Chrome’s Settings should now be displayed in a new tab or window, depending on your configuration. Next, scroll to the bottom of the page and click on the Advanced link (as seen in the below example).
    Click on Chrome Advanced button
  3. Chrome’s advanced Settings should now be displayed. Scroll down until the Reset browser settings section is visible, as shown in the example below. Next, click on the Reset settings button.
    Google Chrome Reset button
  4. A confirmation dialog should now be displayed, detailing the components that will be restored to their default state should you continue on with the reset process. To complete the restoration process, click on the Reset button.
    Restore Google Chrome to default settings

STEP 3: Use Malwarebytes to remove the Quiclean Chrome Extension

Malwarebytes is a powerful on-demand scanner which should remove the adware responsible for the Quiclean redirect. It is important to note that Malwarebytes will run alongside antivirus software without conflicts.

  1. You can download download Malwarebytes from the below link.
    MALWAREBYTES DOWNLOAD LINK (This link open a new page from where you can download “Malwarebytes”)
  2. When Malwarebytes has finished downloading, double-click on the “mb3-setup-consumer” file to install Malwarebytes on your computer.
    Malwarebytes installer
    You may be presented with an User Account Control pop-up asking if you want to allow Malwarebytes to make changes to your device. If this happens, you should click “Yes” to continue with the installation.
    Malwarebytes User Account Control Prompt
  3. When the Malwarebytes installation begins, you will see the Malwarebytes Setup Wizard which will guide you through the installation process.
    Setup Malwarebytes installer
    To install Malwarebytes on your machine, keep following the prompts by clicking the “Next” button.
    Completing the Malwarebytes Setup Wizard
  4. Once installed, Malwarebytes will automatically start and update the antivirus database. To start a system scan you can click on the “Scan Now” button.
    Perform a system scan with Malwarebytes
  5. Malwarebytes will now start scanning your computer for malicious programs.
    This process can take a few minutes, so we suggest you do something else and periodically check on the status of the scan to see when it is finished.
    Malwarebytes scanning for malware
  6. When the scan has completed, you will be presented with a screen showing the malware infections that Malwarebytes has detected.
    To remove the malicious programs that Malwarebytes has found, click on the “Quarantine Selected” button.
    Malwarebytes Quarantine Selected
  7. Malwarebytes will now quarantine all the malicious files and registry keys that it has found.
    To complete the malware removal process, Malwarebytes may ask you to restart your computer.
    Malwarebytes removing malware from computer
    When the malware removal process is complete, you can close Malwarebytes and continue with the rest of the instructions.

STEP 4: Use HitmanPro to Scan for Malware and Unwanted Programs

HitmanPro can find and remove malware, adware, bots, and other threats that even the best antivirus suite can oftentimes miss. HitmanPro is designed to run alongside your antivirus suite, firewall, and other security tools.

  1. You can download HitmanPro from the below link:
    HITMANPRO DOWNLOAD LINK (This link will open a new web page from where you can download “HitmanPro”)
  2. When HitmanPro has finished downloading, double-click on the “hitmanpro” file to install this program on your computer.
    HitmanPro icon
    You may be presented with an User Account Control pop-up asking if you want to allow HitmanPro to make changes to your device. If this happens, you should click “Yes” to continue with the installation.
    HitmanPro User Account Control Pop-up
  3. When the program starts you will be presented with the start screen as shown below. Now click on the Next button to continue with the scan process.
    HitmanPro setup process
  4. HitmanPro will now begin to scan your computer for malware.
    HitmanPro scanning for Quiclean virus
  5. When it has finished it will display a list of all the malware that the program found as shown in the image below. Click on the “Next” button, to remove malware.
    HitmanPro detected malware
  6. Click on the “Activate free license” button to begin the free 30 days trial, and remove all the malicious files from your computer.
    Activate HitmanPro to remove malware
    When the process is complete, you can close HitmanPro and continue with the rest of the instructions.

The Quiclean Chrome Extension should now be removed from your browser . If you are still experiencing problems while trying to remove Quiclean extension from your web browser, please do one of the following:

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I am the creator and owner of the MalwareTips Community. I've started this site in 2010 to help people solve their computer problems. My area of expertise includes malware removal and computer forensics. I'm active in the various online anti-malware communities where I do researches for new malware threats as they are released. I live in Bucharest, where I run my own local computer repair shop. You can follow me on Google+ and I will keep you up-to-date with the latest computer infections and malware threats.