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eFast extension is an adware that get installed on the users’ computer without their permission to hide its identity.  To infiltrate the users’ computer, it bundles itself with the third-party program. Their developers do so to generate revenue indirectly in an illicit manner. It offers itself as a useful tool that can enhance your browsing experience. It does not disclose being an adware supporting tool that may flood your computer with excessive pop-ups and advertisements. Due to this reason, it can challenge the safety of your computer rather than providing smooth browsing experience.

If you do not take care in a right way, it can leave your device open to threats and lead to identity theft. It drops its files on the system’s registry and functions as browser add-on, extension, and plug-in and allow ads to display on your screen. Usually it shows ads while a user is surfing something online and claims that all the links and ads are related to your search terms. This ad supporting application is designed to track your browsing habits and display attractive ads to lure you. This ad extension is so rigid that your security program may not be able to stop it from issuing advertisements and pop-ups.

If this program is running and your PC is connected to the Internet, it will keep on scooping more ads from its own server. Deleting this potentially unwanted program entirely is the only solution to get rid of eFast ads. Scanning the PC with reliable anti-malware tools and running a virus scan may be helpful in solving alike or such issues.


Step 1: Uninstall eFast, Use Add/Remove Program Function of Windows

The main culprit of displaying pop-up ads and coupons may be the software that you have installed on your system. Therefore, the first step is to uninstall that culprit program.


  1. Click on Windows Start button and select Control Panel from the list.
  2. Control-Panel, ProgramsOpen the ‘Programs‘area and click on Uninstall a program. This step will show a window that shows the existing software you installed.uninstall-efast-from-windows
  3. Look for eFast entry and remove. If could not find it, look for any recently installed suspicious labels.
  4. Click on the Uninstall option to remove the program.

Step 2: Download defencebyte AV Pro to Scan and Delete Adware


  1. Download and install the application first.
  2. make sure that you are downloading and installing the appropriate version for your Windows System.
  3. When it asks to save the file, choose a convenient location.
  4. Once the download is complete, Windows will prompt that it is completed.
  5. Now, you need to click on Run button to start the program. Or you can browse the location of the folder and double click on the file defencebyteAVPro_.exe.
  6. Then accept the company terms to continue and now you are ready to go.
  7. Perform the scan on your computer to find plug-ins, add-ons, harmful programs, and other malicious entities linked to eFast.
  8. Further, follow the prompt to continue with the removal.
  9. Once scan and removal process is done, reboot your computer to finalize the cleaning process.

Step 4: To remove eFast completely, reset your web Browser

If you are dealing with eFast malware, you need to clean your Internet browser from unwanted add-on/extension and clutters. So below instructions are given, follow them according to the browser:

Restore Google Chrome to Default Settings

Resetting Google Chrome to default settings is helpful in deleting hard-to-remove extension such as from eFast. This method is highly advisable to perform if you have difficulty in removing unwanted extension.

  1. Open the Chrome browser.
  2. Click on the Menu button (three-bar icon located on the upper right side corner of the browser Windows).
  3. From the menu, select the option Settings.
  4. On the settings page click on ‘Show advanced settings’ option at the bottom of the window.
  5. Further, navigate to the bottom of the page and click on the button ‘Reset browser settings’.
  6. For changes to take effect, close the existing tab and restart Google Chrome. After this step, eFast extension will be removed.

Reset Mozilla Firefox to Default

This process will help in removing unwanted extension and browser issues from Firefox without affecting essential information (bookmarks, browsing history, passwords, and Internet cookies) on the browser

  1. Open the browser and navigate to Firefox menu at the top.
  2. Access the Help area from the list then click on the option ‘Troubleshooting Information’. Click on the Reset Firefox button.
  3. If confirmation window appears and asks, click on the Reset button to continue.
  4. Resetting process will start after Firefox browser closes. When the process completes, it shows a list of restored data and eFast will be deleted by now. To open a fresh version of Firefox, Click Finish button.

Restore Internet Explorer to Default Settings

This process may delete add-ons by eFast and other unknown objects, but data like history, favorites, and bookmarks will remain in the browser.

  1. Open the IE and navigate to top menu. Select Tools, and then Internet Options.
  2. On Internet Options window, choose Advanced tab.
  3. At the bottom side of the window, under Reset Internet Explorer Settings area, there is a Reset button, click on that.