How to remove Mountains Extension

Mountains Extension is a browser hijacker which influences the performance of internet programs. It may get into computers and cause behavioral errors such as enormous pop-ups and redirections. Potentially unwanted program (PUP) alike Mountains Extension can trace any precious information stored on the browser. Mountains Extension developers may hold such personal and sensitive information and may sell it to cybercriminals in the future.

Mountains Extension Hijacker

A huge number of changes can occur to the computer after being contaminated by a browser hijacker. Mountains Extension will substitute the browser settings once it is installed on the computer. The browser will begin operating away from the usual performance. Mountains Extension will assign own search tool on the browser home page, new tab page, and default search engine. The new web address replaces the current preferences on the browser program. After that, other types of ads will be unfolded on the Internet browser screen, which could obstruct web users while surfing online. Advertisements may endorse malevolent web sites or any possible online scam. It is not advised to access such advertisements, as it could rise in very severe computer infections.

Additionally, Mountains Extension also introduces browser redirections. The infected browser could fulfill popups from compromised websites. Clicking on the pop-ups intentionally could result in the browser shifting to another uncertain web page. As such, browser hijacker cannot work precisely. Unexpected appearances on the browser can extremely affect online users’ browsing experience. The visibility of the page contents diminish and the search results may not be dependable. Furthermore, Mountains Extension adware, may waste extra Internet bandwidth as effect that slow down the loading time of the page.

Screenshot of Mountains Extension website

How Mountains Extension Infects the Computer?

Malware or adware can smoothly get into the defenseless computer system. Browser hackers like Mountains Extension usually contaminate obsolete web browsers. Computer security experts have sorted Mountains Extension originally on freeware category. Free programs specifically procured from doubtful sites automatically implicate unwanted programs such as Mountains Extension during the installation progress. Computer users sometimes accept to install supplemental programs without comprehension because they ordinarily opt for the ‘Default’ setup process. The best way to prevent these malicious intruders is to check the programs before you install them. Additionally, defend the computer with reasonable antivirus software to block admission to any kind of uncertain websites.

Online Security Scanner Report for Mountainsext.store

Online ScannerScan FindingsUpdated on
Google Safe BrowsingNo unsafe content foundNov. 03, 2020
Norton Safe WebNot Yet RatedNov. 03, 2020
Sucuri SiteCheckLow Security RiskNov. 03, 2020

Mountains Extension Removal Procedure for PC

Below is a systematic instruction that is very useful in getting rid of the potentially unwanted program (PUP) from compromised Windows computer. Aside from removing the malicious browser extension, this guide is also helpful in deleting Mountainsext.store hijacker and pop-ups.

In order to totally eliminate the threat, it is vital to follow the process in exact manner.

Step 1 : Delete Mountains Extension Browser Extension

Most adware and unwanted programs are using a program called browser extension to be able to take over the settings of internet applications. Therefore, we highly recommend to check and remove the extension that is closely related to Mountains Extension.

Remove Mountains Extension Extension from Google Chrome

1. Open Google Chrome browser.

2. Type chrome://extensions/ in the address bar and press Enter on keyboard.

Chrome URL

3. Find Mountains Extension or relevant entry like Mountainsext.store and remove it from Google Chrome browser.

Uninstall Mountains Extension Extension from Mozilla Firefox

1. Open Mozilla Firefox browser.

2. Type about:addons in the address bar and press Enter on keyboard.

Firefox URL

3. Choose Extensions on sidebar menu.

4. Look for object that is pertaining to Mountains Extension and remove it from the browser.

After deleting the malicious browser extension, it is expected that Mountainsext.store is also gone from the homepage.

Remove Mountains Extension Add-ons from Internet Explorer and Edge Browser

1. Open Internet Explorer program.

2. Go to top Menu and click Tools. Then, select Manage Add-ons from the drop-down list.

Internet Explorer Add-ons

3. Look for and Remove or Disable entries of Mountains Extension from Toolbars and Extension. Additionally, delete Mountainsext.store from Search Providers section.

4. Close the window and restart Internet Explorer.

If Mountains Extension is still present on the IE browser and there are still homepage and pop-ups originating from Mountainsext.store, another option is to remove the adware from Windows Control Panel.

5. Press Windows Key + R and then, type appwiz.cpl command.

6. Program and Features window will open. Arrange the list in chronological manner with recently installed applications on top. To do this, click on 'Installed On' column.

Add-Remove Malware

7. Select Mountains Extension or recently installed unwanted entry. Then, click on Uninstall to remove it from Windows system.

Step 2 : Scan the computer with Anti-malware Program

To remove Mountains Extension automatically, scanning the computer with this powerful anti-malware tool is recommended. This scanner does not just uncover known threats like viruses or malware, it is also effective in discovering browser hijacker like Mountains Extension that assigns Mountainsext.store as the homepage URL.

1. Download the free anti-malware scanner called MalwareBytes Anti-Malware.

2. After downloading, install the program. It may run automatically or you have to double-click on the downloaded file MBSetup.exe.

3. Proceed with the installation using only the default setup. If you need the complete setup procedure, it is available on the download page.

4. After the installation process, click Get Started to run the program.

5. Continue with the prompts until the main program opens.

6. On Malwarebytes Anti-malware console, click on Scan to run the most comprehensive detection method and find any hidden items linked to Mountains Extension.

7. Wait for the anti-malware to finish scanning the computer.

MBAM Scan

8. When scanning is done, Malwarebytes Anti-Malware will display the list of identified threats. Remove all identified threats including Mountains Extension and restart the computer to finalized the scan process.

The above procedures should have totally eliminated the Mountains Extension browser hijacker. However, if you found that there are still remnants of the threat and Mountainsext.store still exists on internet application, please proceed to manual removal of associated objects as outlined below.

Step 3 : Scan and Delete Adware with AdwCleaner

In addition to the procedure, we suggest scanning the computer with AdwCleaner tool. Possibly, there are some traces of Mountains Extension on the browser that was not deleted during the preceding steps. This tool will scan the computer and check for presence of malicious applications as well as invalid browser entries that produces Mountainsext.store pop-ups.

1. Follow the link below to download the tool called AdwCleaner.

2. When the download has completed, please close all running programs on the computer especially browsers affected by Mountains Extension.

3. Browse the location of the downloaded file and double-click on adwcleaner_Ver.exe to start running the tool. Then, click on Scan button.

AdwCleaner

4. AdwCleaner searches the computer for malicious programs, extensions, plug-ins, adware, and any items that may be associated to Mountains Extension. It will also check for suspicious entries on browser settings that is associated with Mountainsext.store.

5. Clean or Remove all suspicious and harmful items identified after the thorough scan.

6. After the cleanup procedure, rebooting the computer is required to finalize the removal of detected threats.

In addition to the procedures above, resetting the affected browser program and clearing the cache are extra methods to completely eliminate Mountains Extension. You can execute the guide on resetting internet browser below.

Procedures to Remove Mountains Extension from Mac

This section contains comprehensive guide for Mac users. It will help you remove the subject malicious browser extension from internet software. In the same manner, the procedure is helpful in stopping Mountainsext.store pop-ups and browser hijacking activities.

Procedures on this page are written in a manner that can be easily understand and execute by Mac users.

Quick Fix - Scan the System with Combo Cleaner

Combo Cleaner is a trusted Mac utility application with complete antivirus and optimization features. It is useful in dealing with adware, malware, and PUP's. Moreover, it can get rid of malicious browser extension like Mountains Extension that is responsible for displaying Mountainsext.store homepage and pop-ups. You may need to purchase full version if you require to maximize its premium features.

1. Download the tool from the following page:

2. Double-click the downloaded file and proceed with the installation.

3. In the opened window, drag and drop the Combo Cleaner icon onto your Applications folder icon.

Install Combo Cleaner

4. Open your Launchpad and click on the Combo Cleaner icon.

5. Wait until antivirus downloads its latest virus definition updates and click on "Start Combo Scan" to start removing Mountains Extension.

Combo Cleaner Scanner

6. Free features of Combo Cleaner include Disk Cleaner, Big Files finder, Duplicate files finder, and Uninstaller. To use antivirus and privacy scanner, users have to upgrade to a premium version.

Proceed with the rest of the removal steps if you are comfortable in manually removing malicious objects associated with the threat. The following guides are also vital in deleting Mountainsext.store from the browser configuration.

Step 1 : Delete Mountains Extension from Mac Applications

1. Go to Finder.

2. On the menu, click Go and then, select Applications from the list to open Applications Folder.

3. Find Mountains Extension or any unwanted program.

Delete Unwanted App

4. Drag Mountains Extension to Trash Bin to delete the application from Mac.

5. Right-click on Trash icon and click on Empty Trash.

Step 2 : Remove Browser Extensions that belongs to Mountains Extension

1. Locate the add-on or extension that is relevant to the hijacker. To do this, please follow the following depending on affected browser.

Safari - Choose Preferences from the Safari menu, then click the Extensions icon. This will open a window showing all installed extensions.

Chrome - Select Preferences from the Chrome menu, and then click the Extensions link found on the left pane.

Firefox - Choose Add-ons from the Menu. Look at both the Extensions and Plug-ins lists when it opens a new window.

2. Once you have located Mountains Extension or any relevant item like Mountainsext.store, click on Remove or Uninstall, to get rid of it.

3. Close the browser and proceed to the next steps.

Step 3 : Delete Malicious Files that have installed Mountains Extension

1. Select and copy the string below to your Clipboard by pressing Command + C on your keyboard.

~/Library/LaunchAgents

2. Go to your Finder. From the menu bar please select Go > Go to Folder...

3. Press Command + V on your keyboard to paste the copied string. Press Return to go to the said folder.

Command + V

4. You will now see a folder named LaunchAgents. Take note of the following files inside the folder:

  • unknown.download.plist
  • unknown.ltvbit.plist
  • unknown.update.plist
  • com.unknown

The term unknown is just a representation of the actual malware name. It is normally an unfamiliar file name such as the following:

- Mountainsext

On some occassions, the malware is represented by a domain name that is closely related to the subject. Like in this case, it can be Mountainsext.store.

If you cannot find the specified file, please look for any unfamiliar or suspicious entries. It may be the one causing Mountains Extension to be present on your Mac. Arranging all items to see the most latest ones may also help you identify recently installed unfamiliar files. Please press Option + Command + 4 on your keyboard to arrange the application list in chronological order.

Option+Command+4

Important: Take note of all the suspicious files as you may also delete the same item on another folder as we go on.

5. Drag all suspicious files that you may find to Trash.

6. Please restart the computer.

7. Open another folder using the same method as above. Copy and Paste the following string to easily locate the folder.

~/Library/Application Support

8. Look for any suspicious items that are similar to the ones in Step 4. Drag them to the Trash.

9. Repeat the process on the following non-hidden folders (without ~):

/Library/LaunchAgents
/Library/LaunchDaemons
/Library/Application Support
/Library/Preferences

Optional : For locked files that cannot be removed, do the following:

1. Go to Launchpad and open Activity Monitor (Under Utilities or Other Folder).

2. Select the process you want to quit.

Force Quit Apps

3. Click on Force Quit button.

4. You may now delete or remove locked files that belongs to Mountains Extension browser extension or Mountainsext.store homepage hijacker.

Step 4 : Double-check with MBAM Tool for Mac

1. Download Malwarebytes Anti-malware for Mac from the link below.

2. Run Malwarebytes Anti-malware for Mac. It will check for updates and download if most recent version is available. This is necessary in finding recent malware threats including the Mountains Extension malware and Mountainsext.store browser hijacker and pop-up provider.

3. If it prompts to close all running web browser, please do so. Thus, we advise you to PRINT this guide for your reference before going offline.

4. Once it opens the user interface, please click on Scan button to start scanning your Mac computer.

MBAM for Mac

5. After the scan, Malwarebytes Anti-malware for Mac will display a list of identified threats, Mountains Extension is surely part of it. Be sure to select all items in the list. Then, click Remove button to clean the computer.

Step 5 : Delete Mountains Extension Login Items

Some browser hijacker may also install login item into compromised account under System Preferences. This object automatically runs Mountains Extension during user log in.

1. Go to Apple menu and choose System Preferences.

2. Select Users & Groups from the preferences window.

3. You may need to Unlock this area in order to make changes. Click on the Lock icon on lower left corner of the window.

4. Next, select user account that runs Mountains Extension.

5. Click on Login Items tab.

6. Select Mountains Extension, , or any suspicious entries from the list and click on the minus [-] button and confirm your actions. Please see image below for reference.

Login Items

Optional : If unable to change browser settings, execute these steps:

Some user complains that there is no way to change browser settings because it is grayed out by Mountains Extension. In such situation, it is important to check if there is unwanted profile. Please do the following:

1. Quit any running applications and launch System Preferences from your Dock.

2. Under System Preferences, click Profiles.

3. Select , Mountains Extension or any relevant profile from the left pane. See image below.

Remove Profile

4. At the bottom of this window, click minus [-] button to delete the account. Please refer to image above.

5. Close the Profiles window and open the affected browser to change all settings associated with Mountains Extension.

There's More... Reset Internet Browser Apps (PC and Mac)

Cleaning your internet browser from clutter and unwanted add-on/extension is a must when dealing with Mountains Extension. The procedure below discuss on resetting various browsers to its default state.

Restore Google Chrome to Default Settings

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

1. Open Google Chrome Internet browser.
2. On the address bar, type chrome://settings/reset and press Enter key.
3. Under Reset and clean up section, choose Restore settings to their original defaults.
4. Click Reset settings button to clear all entries of Mountains Extension.
5. Close the existing tab and restart Google Chrome. That should have removed Mountains Extension extension and associated objects.

Reset Mozilla Firefox to Default

This section describes how to remove unwanted extension from Firefox that may be related to Mountains Extension. This process can fix many browser issues by restoring Firefox to factory settings without affecting your essential information (bookmarks, browsing history, passwords, and Internet cookies) on the browser. If you desire to remove only specific extension, please see manual removal of add-on from Firefox.

1. Input the string about:support on Firefox web address and press Enter on keyboard.
2. You will now see the Troubleshooting Information page of Mozilla Firefox.
3. You will notice a section on upper-right corner of the screen stating Give Firefox a tune up. Click the Refresh Firefox button.
4. If confirmation window appears, click Refresh Firefox to continue.
5. Firefox browser will close and start the resetting process. When done, it will display a list of restored data. Mountains Extension should be gone by now. Click Finish to open a fresh version of Firefox.

Restore Internet Explorer to Default Settings

1. Open Internet Explorer and navigate to top menu. Click Tools, and then Internet Options.
2. Select Advanced tab on Internet Options window.
3. On lower part of the window, under Reset Internet Explorer Settings area, click the Reset button. Please see image for reference. Your data like favorites, bookmark, and history will remain in the browser. However, this process may delete add-ons by Mountains Extension and other unknown objects. If you prefer to carry out the procedure manually, please add-on removal from Internet Explorer.

Clear the Safari Internet Browser (Mac)

1. Open your Safari browser application.
2. In the Safari menu, click on Preferences from the drop-down list.
3. On Preferences window, please select the Privacy tab.
4. Click on Manage Website Data button.
5. Select unwanted entry like Mountains Extension and click the Remove button. If you choose to Remove All, you may be logout from most visited websites and online services. Therefore, we advise to remove suspicious item one at a time to prevent changing behavior towards your favorite websites.
6. If it prompts, please confirm your actions.

7. Next, we will need to clear the Cache. Back at the Safari Preferences window, choose Advanced tab.
8. Navigate to the bottom and activate Show Develop menu in menu bar.
9. Go to Safari menu, choose on Develop from the drop down list and click on on Empty Caches.
10. Next thing to do is to restore the Homepage to your preference and remove the one from Mountains Extension.
11. Back at the Safari Preferences window, click on General tab.
12. Under Homepage section, type your desired URL to be the default start-up page.
13. Lastly, make sure to have the right Search Engine.
14. Go back to Safari Preferences window and click on Search tab.
15. Select your desired Search tool under the Search engine section.
16. You may not restart Safari browser.

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