eFast, Ads by eFast_Browser Removal Manual - How to, Technology and PC Security Forum | SensorsTechForum.com

eFast, Ads by eFast_Browser Removal Manual

Malware researchers have classified eFast as a potentally unwanted program with browser hijacking capabilities.

NameeFast, Ads by eFast_Browser
Type Browser Hijacker, PUP
Short DescriptionThe program may be advertised as useful but it causes issues on the system.
SymptomsAds are displayed, browser settings may bechanged.
Distribution MethodInstallation of PUPs, third party software installers, bundling, etc.
Detection toolDownload Malware Removal Tool, to See If Your System Has Been Affected By eFast, Ads by eFast_Browser

As a result of the program sneaking into the system, advertisements may be generated – pop-ups and banners with texts such as:

“Powered by eFast_Browser”, “Brought to you by eFast_Browser”, “Ads by eFast_Browser”.

The advertisements may not be malicious but they may redirect the user to predefined pages:

  • Websites crafted for social engineering scams like phishing.
  • Websites prompting the user to give away personal information, including credit card details.
  • Websites promoting rogue software products like rogue AV scanners, and similar suspicious pieces of code.
  • Websites exploited by malicious software and carrying on drive-by downloads.

eFast Web Browser Characteristics and Distribution

The suspicious program has most likely been mentioned in the installer of a freeware product downloaded from freeware/shareware providers (bundling). However, by quickly going through the setup process, the user may have skipped the option to de-select eFast. The program may also be available for download on the very same freeware/shareware pages. It may have a luring description, tricking the user into believing that it will enhance his online browsing or shopping experience. Such products are usually crafted with the sole purpose to collect user information.efast-browser

Data collected by potentially unwanted, ad-supported and hijacker programs may include any or all of the following:

  • IP address.
  • Unique identifier number.
  • Hardware.
  • Software.
  • Configuration settings.
  • OS information.
  • Geolocation.
  • Used browsers.
  • Software usage patterns.

In addition, the developers of eFast and similar software usually are teamed with numerous affiliate and advertising partners. This means that the data collected during the usage of eFast may be given or shared with other third parties. Besides the privacy issues brought by this type of software, browser hijackers and PUPs are also known to change the browser’s default settings.

As a result, the default search page, home page, new tab page and sometimes error page will be changed according to eFast’s preferences. eFast can also add a scheduled task and a desktop icon. Because of its dubious features, the program should be removed from the system.

eFast Removal Options

If the user feels confident enough to manually locate the program and uninstall it completely, he can follow our manual below the article. However, some browser hijackers are known to damage the system in unexpected ways (LSP hijacking, for instance). Multiple files may have been dropped in various system locations. The most secure way to locate every file brought by eFast is by running a full system scan.

Step 1: Remove/Uninstall eFast, Ads by eFast_Browser in Windows

Here is a method in few easy steps to remove that program. No matter if you are using Windows 8, 7, Vista or XP, those steps will get the job done. Dragging the program or its folder to the recycle bin can be a very bad decision. If you do that, bits and pieces of the program get left behind, and that can lead to unstable work of your PC, mistakes with the file type associations and other unpleasant activities. The proper way to get a program off your computer is to Uninstall it. To do that:

  • Hold the Windows Logo Button and “R” on your keyboard. A Pop-up window will appear (fig.1).
  • uninstall-virus-fig1

  • In the field type in “appwiz.cpl” and press ENTER (fig.2).
  • uninstall-virus-fig2

  • This will open a window with all the programs installed on the PC.
    Select the program that you want to remove, and press “Uninstall” (fig.3).
  • uninstall-virus-fig3

    Follow the instructions above and you will successfully uninstall eFast, Ads by eFast_Browser.

    Step 2: Remove eFast, Ads by eFast_Browser from your browser

    Remove a toolbar from Mozilla FirefoxRemove a toolbar from Google Chrome Remove a toolbar from Internet Explorer Remove a toolbar from Safari
    Start Mozilla Firefox Open the menu window


    Select the “Add-ons” icon from the menu


    Select eFast, Ads by eFast_Browser and click “Remove


    After eFast, Ads by eFast_Browser is removed, restart Mozilla Firefox by closing it from the red “X” in the top right corner and start it again.

    Start Google Chrome and Open the drop menu


  • Move the cursor over “Tools” and then from the extended menu choose “Extensions
  • uninstall-fig8

  • From the opened “Extensions” menu locate eFast, Ads by eFast_Browser and click on the garbage bin icon on the right of it.
  • uninstall-fig9

  • After eFast, Ads by eFast_Browser is removed, restart Google Chrome by closing it from the red “X” in the top right corner and start it again.
  • Start Internet Explorer:

  • Click “‘Tools’ to open the drop menu and select ‘Manage Add-ons’
  • uninstall-fig10

  • In the ‘Manage Add-ons’ window, make sure that in the first window ‘Add-on Types’, the drop menu ‘Show’ is on ‘All add-ons’
  • uninstall-fig11

    Select eFast, Ads by eFast_Browser to remove, and then click ‘Disable’. A pop-up window will appear to inform you that you are about to disable the selected toolbar, and some additional toolbars might be disabled as well. Leave all the boxes checked, and click ‘Disable’.


    After eFast, Ads by eFast_Browser has been removed, restart Internet Explorer by closing it from the red ‘X’ in the top right corner and start it again.

    Start Safari

    Open the drop menu by clicking on the sprocket icon in the top right corner.

    From the drop menu select ‘Preferences’
    In the new window select ‘Extensions’
    Click once on eFast, Ads by eFast_Browser
    Click ‘Uninstall’


    A pop-up window will appear asking for confirmation to uninstall eFast, Ads by eFast_Browser. Select ‘Uninstall’ again, and the eFast, Ads by eFast_Browser will be removed.

    In order to remove any associated objects that are left after uninstall and detect any other threats, you should:

    Step 3: Start Your PC in Safe Mode to Remove eFast, Ads by eFast_Browser.

    Removing eFast, Ads by eFast_Browser from Windows XP, Vista, 7 systems:

    1. Remove all CDs and DVDs, and then Restart your PC from the “Start” menu.
    2. Select one of the two options provided below:

    For PCs with a single operating system: Press “F8” repeatedly after the first boot screen shows up during the restart of your computer. In case the Windows logo appears on the screen, you have to repeat the same task again.

    For PCs with multiple operating systems: Тhe arrow keys will help you select the operating system you prefer to start in Safe Mode. Press “F8” just as described for a single operating system.

    3. As the “Advanced Boot Options” screen appears, select the Safe Mode option you want using the arrow keys. As you make your selection, press “Enter“.
    4. Log on to your computer using your administrator account

    While your computer is in Safe Mode, the words “Safe Mode” will appear in all four corners of your screen.

    Removing eFast, Ads by eFast_Browser from Windows 8, 8.1 and 10 systems:

    Substep 1:

    Open the Start Menu
    Windows-10-0 (1)

    Substep 2:

    Whilst holding down Shift button, click on Power and then click on Restart.

    Substep 3:

    After reboot, the aftermentioned menu will appear. From there you should choose Troubleshoot.

    Substep 4:

    You will see the Troubleshoot menu. From this menu you can choose Advanced Options.
    Windows-10-2 (1)

    Substep 5:

    After the Advanced Options menu appears, click on Startup Settings.
    Windows-10-3 (1)

    Substep 6:

    Click on Restart.
    Windows-10-5 (1)

    Substep 7:

    A menu will appear upon reboot. You should choose Safe Mode by pressing its corresponding number and the machine will restart and boot into Safe Mode so you can scan for and remove eFast, Ads by eFast_Browser.

    Step 4: Remove eFast, Ads by eFast_Browser automatically by downloading an advanced anti-malware program.

    To clean your computer you should download an updated anti-malware program on a safe PC and then install it on the affected computer in offline mode. After that you should boot into safe mode and scan your computer to remove all eFast, Ads by eFast_Browser associated objects.

    NOTE! Substantial notification about the eFast, Ads by eFast_Browser threat: Manual removal of eFast, Ads by eFast_Browser requires interference with system files and registries. Thus, it can cause damage to your PC. Even if your computer skills are not at a professional level, don’t worry. You can do the removal yourself just in 5 minutes, using a malware removal tool.

    Milena Dimitrova

    An inspired writer and content manager who has been with SensorsTechForum for 4 years. Enjoys ‘Mr. Robot’ and fears ‘1984’. Focused on user privacy and malware development, she strongly believes in a world where cybersecurity plays a central role. If common sense makes no sense, she will be there to take notes. Those notes may later turn into articles! Follow Milena @Milenyim

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