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How to remove Discoverthebest.co from the settings of an Internet browser

Also Known As: discoverthebest.co browser hijacker
Damage level: Medium

What is discoverthebest.co?

While analyzing the discoverthebest.co site, we found that it is an untrustworthy search engine. We discovered discoverthebest.co after adding a shady extension to a web browser. That application promotes discoverthebest.co by hijacking a web browser (by changing its settings).

discoverthebest.co browser hijacker

How do browser hijackers promote discoverthebest.co?

Discoverthebest.co site is promoted via application, which makes this search engine the default search engine, homepage, and new tab page. Discoverthebest.co cannot be removed from the settings of a web browser while a browser hijacker is present (added to a browser).

We found that discoverthebest.co promotes untrustworthy pages by including them in search results. Those pages can be used to trick users into installing potentially malicious software, providing personal information, transferring money, etc. Thus, it is strongly recommended not to use/trust discoverthebest.co.

Threat Summary:
Name discoverthebest.co browser hijacker
Threat Type Browser Hijacker, Redirect, Search Hijacker, Toolbar, Unwanted New Tab
Supposed Functionality Accurate search results
Affected Browser Settings Homepage, new tab URL, default search engine
Detection Names N/A (VirusTotal)
Serving IP Address 146.75.106.114
Symptoms Manipulated Internet browser settings (homepage, default Internet search engine, new tab settings). Users are forced to visit the hijacker's website and search the Internet using their search engines.
Distribution methods Deceptive pop-up ads, free software installers (bundling), fake Flash Player installers.
Damage Internet browser tracking (potential privacy issues), display of unwanted ads, redirects to dubious websites.
Malware Removal (Windows)

To eliminate possible malware infections, scan your computer with legitimate antivirus software. Our security researchers recommend using Combo Cleaner.
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More about browser hijackers

Typically, browser hijackers are promoted as useful/legitimate applications. The purpose of these apps is to promote fake search engines. It is worth mentioning that not all browser hijackers modify the settings of web browsers. Sometimes, apps of this type collect browsing data and other information.

More examples of apps classified as browser hijackers are UltraCouponSearch, Mondy Search, and Quick Site.

How did discoverthebest.co promoting software install on my computer?

One of the most popular ways to trick users into adding browser hijackers to web browsers is to bundle them with other software. Browsers get hijacked after completing installations without deselecting browser hijackers (changing "Advanced", "Custom", or similar settings).

Also, browser hijackers are distributed via certain advertisements and deceptive websites. In most cases, users download and install/add browser hijackers without knowing what these apps do.

How to avoid installation of browser hijackers?

Download applications from official websites and stores. Do not use unofficial pages, third-party downloaders, P2P networks, and similar sources to download files/apps. Do not click on fake buttons and ads displayed on questionable pages. Deselect unwanted applications included in downloaders/installers before downloading/installing software.

If your computer is already infected with browser hijackers, we recommend running a scan with Combo Cleaner Antivirus for Windows to automatically eliminate them.

Discoverthebest.co promotes untrustworthy websites (shows inaccurate results):

discoverthebest.co shows its search results

Instant automatic malware removal: Manual threat removal might be a lengthy and complicated process that requires advanced computer skills. Combo Cleaner is a professional automatic malware removal tool that is recommended to get rid of malware. Download it by clicking the button below:
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Quick menu:

discoverthebest.co redirect removal:

Windows 11 users:

Accessing Apps and Features in Windows 11

Right-click on the Start icon, select Apps and Features. In the opened window search for the application you want to uninstall, after locating it, click on the three vertical dots and select Uninstall.

Windows 10 users:

Accessing Programs and Features (uninstall) in Windows 8

Right-click in the lower left corner of the screen, in the Quick Access Menu select Control Panel. In the opened window choose Programs and Features.

Windows 7 users:

Accessing Programs and Features (uninstall) in Windows 7

Click Start (Windows Logo at the bottom left corner of your desktop), choose Control Panel. Locate Programs and click Uninstall a program.

macOS (OSX) users:

Uninstall app in OSX (Mac)

Click Finder, in the opened screen select Applications. Drag the app from the Applications folder to the Trash (located in your Dock), then right click the Trash icon and select Empty Trash.

discoverthebest.co browser hijacker uninstall via Control Panel

In the uninstall programs window: look for any recently installed suspicious applications, select these entries and click "Uninstall" or "Remove".

After uninstalling the potentially unwanted applications (which cause browser redirects to the discoverthebest.co website), scan your computer for any remaining unwanted components. To scan your computer, use recommended malware removal software.

discoverthebest.co redirect removal from Internet browsers:

Video showing how to remove browser redirects:

Google Chrome logoRemove malicious extensions from Google Chrome:

Removing discoverthebest.co related Google Chrome extensions

Click the Chrome menu icon Google Chrome menu icon (at the top right corner of Google Chrome), select "More Tools" and click "Extensions". Locate all recently-installed suspicious extensions, select these entries and click "Remove".

Change your homepage:

Removing discoverthebest.co from Google Chrome homepage

Click the Chrome menu icon Google Chrome menu icon (at the top right corner of Google Chrome), select "Settings". In the "On startup" section, disable the malicious extension (if present), look for a browser hijacker URL (hxxp://www.discoverthebest.co) below the "Open a specific or set of pages" option. If present click on the three vertical dots icon and select "Remove".

Change your default search engine:

Removing discoverthebest.co from Google Chrome default search engine

To change your default search engine in Google Chrome: Click the Chrome menu icon Google Chrome menu icon (at the top right corner of Google Chrome), select "Settings", in the "Search engine" section, click "Manage search engines...", in the opened list look for "discoverthebest.co", when located click the three vertical dots near this URL and select "Delete".

  • If you continue to have problems with browser redirects and unwanted advertisements - Reset Google Chrome.

Optional method:

If you continue to have problems with removal of the discoverthebest.co browser hijacker, reset your Google Chrome browser settings. Click the Chrome menu icon Google Chrome menu icon (at the top right corner of Google Chrome) and select Settings. Scroll down to the bottom of the screen. Click the Advanced… link.

Google Chrome settings reset step 1

After scrolling to the bottom of the screen, click the Reset (Restore settings to their original defaults) button.

Google Chrome settings reset step 2

In the opened window, confirm that you wish to reset Google Chrome settings to default by clicking the Reset button.

Google Chrome settings reset step 3

Mozilla Firefox logoRemove malicious plugins from Mozilla Firefox:

Removing discoverthebest.co related Mozilla Firefox extensions

Click the Firefox menu firefox menu icon (at the top right corner of the main window), select "Add-ons and themes". Click "Extensions", in the opened window locate all recently-installed suspicious extensions, click on the three dots and then click "Remove".

Change your homepage:

Removing discoverthebest.co from Mozilla Firefox homepage

To reset your homepage, click the Firefox menu firefox menu icon (at the top right corner of the main window), then select "Settings", in the opened window disable malicious extension (if present), remove hxxp://discoverthebest.co and enter your preferred domain, which will open each time you start Mozilla Firefox.

Change your default search engine:

Removing discoverthebest.co from Mozilla Firefox default search engine

In the URL address bar, type "about:config" and press Enter. Click "Accept the Risk and Continue".

In the search filter at the top, type: "extensionControlled". Set both results to "false" by either double-clicking each entry or clicking the Mozilla Firefox switch about:config entry button button.

Optional method:

Computer users who have problems with discoverthebest.co browser hijacker removal can reset their Mozilla Firefox settings.

Open Mozilla Firefox, at the top right corner of the main window, click the Firefox menu, firefox menu icon in the opened menu, click Help.

Accessing settings (Reset Firefox to default settings step 1)

Select Troubleshooting Information.

Accessing Troubleshooting Information (Reset Firefox to default settings step 2)

In the opened window, click the Refresh Firefox button.

Clicking on Refresh Firefox button (Reset Firefox to default settings step 3)

In the opened window, confirm that you wish to reset Mozilla Firefox settings to default by clicking the Refresh Firefox button.

Confirm your want to reset Firefox settings to default (Reset Firefox to default settings step 4)

safari browser logoRemove malicious extensions from Safari:

Removing browser hijackers from safari step 1 - accessing preferences

Make sure your Safari browser is active and click Safari menu, then select Preferences...

removing browser hijacker from safari step 2 - removing extensions

In the preferences window select the Extensions tab. Look for any recently installed suspicious extensions and uninstall them.

Removing browser hijackers from safari step 3 - changing homepage

In the preferences window select General tab and make sure that your homepage is set to a preferred URL, if its altered by a browser hijacker - change it.

removing browser hijackers from safari step 4 - changing the default Internet search engine

In the preferences window select Search tab and make sure that your preferred Internet search engine is selected.

Optional method:

Make sure your Safari browser is active and click on Safari menu. From the drop down menu select Clear History and Website Data...

resetting safari step 1

In the opened window select all history and click the Clear History button.

resetting safari step 2

Microsoft Edge (Chromium) logoRemove malicious extensions from Microsoft Edge:

Removing browser hijackers from Microsoft Edge step 1

Click the Edge menu icon Microsoft Edge (chromium) menu icon (at the top right corner of Microsoft Edge), select "Extensions". Locate any recently-installed suspicious browser add-ons, and remove them.

Change your homepage and new tab settings:

Removing browser hijackers from Microsoft Edge step 2

Click the Edge menu icon Microsoft Edge (chromium) menu icon (at the top right corner of Microsoft Edge), select "Settings". In the "On startup" section look for the name of the browser hijacker and click "Disable".

Change your default Internet search engine:

Removing browser hijackers from Microsoft Edge step 3

To change your default search engine in Microsoft Edge: Click the Edge menu icon Microsoft Edge (chromium) menu icon (at the top right corner of Microsoft Edge), select "Privacy and services", scroll to bottom of the page and select "Address bar". In the "Search engines used in address bar" section look for the name of the unwanted Internet search engine, when located click the "Disable" button near it. Alternatively you can click on "Manage search engines", in the opened menu look for unwanted Internet search engine. Click on the puzzle icon Microsoft Edge (Chromium) puzzle icon near it and select "Disable".

Optional method:

If you continue to have problems with removal of the discoverthebest.co browser hijacker, reset your Microsoft Edge browser settings. Click the Edge menu icon Microsoft Edge (chromium) menu icon (at the top right corner of Microsoft Edge) and select Settings.

Microsoft Edge (Chromium) reset step 1

In the opened settings menu select Reset settings.

Microsoft Edge (Chromium) reset step 2

Select Restore settings to their default values. In the opened window, confirm that you wish to reset Microsoft Edge settings to default by clicking the Reset button.

Microsoft Edge (Chromium) reset step 3

  • If this did not help, follow these alternative instructions explaining how to reset the Microsoft Edge browser.

Summary:

declining installation of browser hijackers while downloading free software sampleA browser hijacker is a type of adware infection that modifies Internet browser settings by assigning the homepage and default Internet search engine settings to some other (unwanted) website URL. Commonly, this type of adware infiltrates operating systems through free software downloads. If your download is managed by a download client, ensure that you decline offers to install advertised toolbars or applications that seek to change your homepage and default Internet search engine settings.

Post a comment:
If you have additional information on discoverthebest.co browser hijacker or it's removal please share your knowledge in the comments section below.

Frequently Asked Questions (FAQ)

What is the purpose of forcing users visit discoverthebest.co website?

This search engine generates more revenue for its creators when more users visit/use it.

Is visiting discoverthebest.co a threat to my privacy?

It may be capable of gathering information about users. Also, websites promoted by this search engine can be malicious.

How did a browser hijacker infiltrate my computer?

Usually, browser hijackers get installed/added alongside other software or via shady advertisements and notifications from untrustworthy pages.

Will Combo Cleaner help me remove a browser hijacker?

Yes, Combo Cleaner will scan the operating system and remove browser-hijacking applications. Manual removal can be difficult, especially when multiple browser hijackers are present. Apps of this type can be designed to reinstall one another. Thus, all of them have to be removed at once.

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About the author:

Tomas Meskauskas

Tomas Meskauskas - expert security researcher, professional malware analyst.

I am passionate about computer security and technology. I have an experience of over 10 years working in various companies related to computer technical issue solving and Internet security. I have been working as an author and editor for pcrisk.com since 2010. Follow me on Twitter and LinkedIn to stay informed about the latest online security threats. Contact Tomas Meskauskas.

PCrisk security portal is brought by a company RCS LT. Joined forces of security researchers help educate computer users about the latest online security threats. More information about the company RCS LT.

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Software uninstall instructions
Malware activity

Global malware activity level today:

Medium threat activity

Increased attack rate of infections detected within the last 24 hours.

QR Code
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