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How to remove eFast Browser (Virus Removal Guide)

eFast Browser (eFast_Browser) is detected as adware by reputable security programs. The browser is a look-alike Google Chrome web browser that uses the open-source Chromium project from Google. Chromium by Google is an open-source version of the Chrome brorwser that anyone can download, customize, and craft into their own browser. The developers behind eFast used the open-source Chromium project to create a clone of Google Chrome in order to appear just like the real browser. However, the look-alike is not Chrome and is no way associated with Google. eFast Browser inserts overlaying advertisements into websites, displaying pop-up ads, in-text ads, video ads, and more. Furthermore, to make matters worse, eFast Browser will configure itself to be the default web browser for websites and for .gif, .htm, .html, .jpeg, .jpg, .pdf, .png, .shtml, .webp, .xht, and .xhtml documents and files. eFast Browser adware will also bundle with other unwanted programs, malware, and other threats, and it will edit Windows registry and make modifications to the computer system in order to run every time Windows starts. The process eFast Browser.exe will remain active in Windows Task Manager and the file can enable itself if the process has been manually ended.

Threat Details

Name(s) eFast Browser, eFast Browser virus, Ads By eFast Browser, eFast_Browser
Detection Categories Adware
Short Description eFast Browser is promoted as a free web browser.
Symptoms The user may experience unwanted advertisements and redirects in the web browser.
Distribution Method eFast Browser bundles with freeware and dubious files.
Detection Tool Download Malware Removal Tool

eFast Browser Screenshot

efast browser

What is eFast Browser?

eFast Browser is promoted as a free alternative web browser. It is similar to Bobrowser. The browser utilizes the open-source Chromium project in orer to appear similar to Google Chrome.

eFast Browser adware will display pop-up and in-text style ads on the internet and Windows desktop that usually say Ads by eFast Browser, Ad by eFast Browser, or BROUGHT BY eFast Browser on them (or “Ads by eFast_Browser, Ad by eFast_Browser, brought by eFast_Browser”). The adware may even show a large bar at the top of Windows desktop that contains links and a search box. The adware will also hijack default search settings of affected internet browsers causing various redirects to sponsored webpages. User browsing details may also be obtained by the adware and used for a several different purposes. The data collection is described in the product’s Privacy Policy and allotted permissions if a browser attachment is present.

eFast Browser Removal Guide

eFast Browser can be uninstalled manually from your computer and internet browser. This eFast Browser removal guide contains steps to remove eFast Browser virus and other threats from your computer in order to get rid of ads by eFast_Browser on Chrome, Firefox, Internet Explorer, and Safari.

Quick Links

Step 1: Uninstall eFast Browser from Windows

Follow the instructions to uninstall eFast Browser and other programs that it may bundle with from your Windows XP, Windows Vista, Windows 7, Windows 8, Windows 8.1, and Windows 10 computer. If you do not find eFast Browser installed on your computer but still notice unwanted symptoms such as pop-up ads while you browse the web it is recommended to use Malwarebytes and HitmanPro to eradicate troublesome files.

1. Open Windows Start or Task menu and go to the Control Panel (or directly to Programs and Features).

2. In the “Programs” section click Uninstall a program (or Add and remove programs).

3. Search for eFast Browser, Chromium, and other programs in the list of installed programs and double click the program you want to remove to uninstall it. You can also select eFast Browser with your mouse and click the Uninstall button once it appears. Once you have uninstalled eFast Browser look for other unwanted programs in the list of installed programs and uninstall any if they are found. A general tip is to click “Installed On” to locate any programs that installed around the same time.

Step 2: Remove unwanted browser attachments

Follow the instructions to remove eFast Browser add-ons and extensions, as well as other attachments that it may bundle with from Google Chrome, Mozilla Firefox, Microsoft Internet Explorer & Edge, and Apple Safari. If you do not find a eFast Browser attachments installed on your internet browser but still notice unwanted symptoms such as pop-up ads while you browse the web it is recommended to use Malwarebytes and HitmanPro to eradicate troublesome files. To remove eFast Browser from Microsoft internet browsers you must uninstall the program.

Google Chrome

1. Click the Customize and control Google Chrome icon and go to More tools > Extensions.

2. Search for the eFast Browser extension in the list and click the trashcan icon.

Mozilla Firefox

1. Open the Menu and click Add-ons.

2. Search for the eFast Browser add-on and click Remove.

Apple Safari

1. Go to Safari > Preferences > Extensions.

2.  Search for the eFast Browser extension in the list and click the Uninstall button.

Step 3: Remove eFast Browser virus with Malwarebytes

Follow the instructions to remove eFast Browser with Malwarebytes Anti-Malware software.

1. Download and install Malwarebytes Anti-Malware software.

2. Launch Malwarebytes Anti-Malware software once it has finished installing.

3. Make sure that Malwarebytes has been updated. To ensure it is updated click Update Now on the Dashboard.

4. Click the large Scan Now button on the dashboard to perform a scan with Malwarebytes Anti-Malware software.

5. When the scan is complete click the Remove Selected button and then click the Finish button or restart your computer if Malwarebytes suggests that you do so.

Step 4: Remove eFast Browser malware with HitmanPro

Follow the instructions to remove eFast Browser with HitmanPro second-opinion software.

1. Download and install HitmanPro second opinion scanner and removal tool.

3. Once Hitman Pro is installed, open the program and click Next to start scanning your computer. *If you are using the free version you may chose to create a copy or perform a one-time scan.

4. When the scan is complete, click the Next button again to delete any threats or traces on your system.

5. If you are initially using the free version, to activate it, enter your email address twice and click the Activate button.

6. Restart your computer by selecting Reboot.

Step 5: Clean and repair your computer with CCleaner

Follow the instructions to clean your computer and repair your computer’s settings.

1. Download and install CCleaner by Piriform.

2. Once installed, open the program and go to the main Cleaner screen and click the Analyze button. Afterwards, click the Run Cleaner button on the bottom right of the program interface.

3. Next, navigate to Tools > Startup and search through each tab starting from windows, internet explorer, etc., all the way to Content Menu, for additional suspicious entries. If you find any thing suspicious click it and click the Delete button to remove it.

4. To finish things off, go to the Registry window and click the Scan for Issues button. When the scan is complete click the Fix selected issues… button and click Fix All Selected Issues.

Lead Editor

Jared Harrison is an accomplished tech author and entrepreneur, bringing forth over 20 years of extensive expertise in cybersecurity, privacy, malware, Google Analytics, online marketing, and various other tech domains. He has made significant contributions to the industry and has been featured in multiple esteemed publications. Jared is widely recognized for his keen intellect and innovative insights, earning him a reputation as a respected figure in the tech community.

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