A Complete Guide: Remove Pop-ups, Browser Hijackers And Virus On Mac

With time, Mac has gained popularity due to uptight security and beautiful interface. With all this, it also has grabbed the attention of hackers. Now, Mac is also vulnerable to pop-ups, redirectors, virus, and malware. The general intention of the hackers with all these malicious activities is to get the monetary benefit.

Sometimes, when you install a freebie software on your machine, other software too gets installed without consent. That’s when you might have adware, pop-ups on your Mac.
To check for the signs of infections, look out for these:

  • Advertisement every now and then on the website blocking your way.
  • Redirected to a different page instead of the page requested.
  • Fake Pop-ups on browser asking to update the third party software.

If you notice any of these, then you have malicious content on your Mac. Looking for a solution to it, then you have reached the right place as we have listed some ways to remove the malicious content from your Mac for free.

1. Uninstall The Malicious And Unwanted Apps From Your MacOS

Before going further, you need to make a list of unwanted apps that you think could be the culprit. To remove it completely from your Mac, you need to follow four steps:

  • Move applications to the trash bin
  • Remove all the hidden support files of the deleted applications
  • Remove hidden support files from User Library
  • Delete Extension

a) Move Applications To The Trash Bin

Once you have listed out the malicious software, it is time to remove them. Drag all the unwanted applications to the trash. After performing this action, don’t forget to empty the trash bin to remove the app from your Mac.

b) Remove All The Hidden Support Files Of Applications From Library

Every app has files and folder related to it, so just dragging the app to trash bin will not remove the app completely. To delete the support files of the deleted apps from the Library, follow these steps:

  • Go to Finder-> Go.
  • You will get a drop down menu, press Option Key to make the Library option visible. Once the Library option comes up, click on it while pressing Option Key.
    Note: To open Library, Go to Finder->Go-> Computer->Library
    mac library
  • Once the Library folder is open, look for the files and folders related to the deleted apps and remove them.
  • Locate the files and folders related to the app under Application Support and Preferences folder as well and if spotted, remove them.

c) Remove Hidden Support Files From User Library

Some of the files related to the applications are also placed under User Library, so removing them is also a part of the process. Follow these steps to remove the obsolete support files from User Library:

Note: This Library folder is different from the above step as it is for a specific User.

  • Click on Macintosh HD from your desktop screen.

Note: If you are unable to locate your Macintosh HD, you can open your hard drive –  Go to Finder->Go-> Computer

mac computer

  • Once your Macintosh HD folder is open, choose Users

mac library file

  • You will get to the Users folder, choose your Username(the name that appears on your locked screen of your Mac). In this case, the username is Mac.
    username mac
  • Once you are in your Username folder, locate Library.

locate library

  • In the library folder, look for the support files for the apps removed and delete them.

library folder mac

  • Once done, in the library folder itself, locate the files and folders related to the deleted app under Application support, Launchagents, Launchdaemons, Preferences and Preference Pane, Startup Items and remove them as well.

d) Delete Extension

Sometimes, the app tries to launch on the startup, even after all the files are deleted so to resolve this issue, you need to follow this final step:

  • Go to Finder-> Go.
  • You will get a drop down menu, press Option Key to make the Library option visible and Library comes up, click on it while pressing Option Key.

Note: To open Library, Go to Finder->Go-> Computer->Library

Mac library option

  • Once the Library folder is open, look for Extensions folder.
    Mac extensions
  • In the Extensions folder, find and delete all the support files of the deleted apps.
    Mac extensions files

In this way, you can uninstall malicious applications from your Mac.

2. Remove Unwanted Extensions From Your Browser

Sometimes unwanted extensions on your browser can also be a reason of all the redirectors and browser hijackers. In this step, we will discuss, how we can remove unwanted extensions from your Safari, Chrome, and FireFox.

a) Safari:

To remove unwanted extensions on Safari, follow the steps:

  • Open Safari. Now Go to Safari menu and click Preferences.
    Mac preferences
  • Under Preferences Tab, click on Extensions.
    Mac evernote

Check all the extensions installed and uninstall the unwanted ones.

Change the Default search engine  and homepage:

  • Click Preferences from Safari menu.
    Mac safari

    • Once the advanced settings are displayed, scroll till you see Reset Settings tab. Click on the arrow and then click Reset to set the browser to default.Now go to General tab and change the Default homepage to Google.com respectively.
      Mac generalb) Google Chrome:To remove unwanted extensions on Google Chrome, follow the steps:

      • Open Google Chrome and click the main menu button (three dots in horizontal line). From the dropdown menu, select More Tools-> Extensions.
      • On the extension page, you will get the list of extensions installed.
        enable or delete extension
      • Uninstall the unwanted extensions by clicking on trash icon beside the extension.


      Reset Google Chrome to Default:

      • Open Google Chrome and click the main menu button (three dots in horizontal line). From the dropdown menu, select Settings.
      • A Chrome Settings window will open. Scroll to the bottom and click Advanced.

      chrome settings in mac

c) Mozilla Firefox

    • The Troubleshooting Information page will open, click Refresh Firefox located at the top right corner.
    • A new window will open to confirm the action, click Refresh Firefox button.
    • Firefox window will close and go back to default settings. Once the work is done, Firefox window will open with the list of things imported, click on Finish to complete the action.
      • Open Firefox and type about: support in the address bar.To get rid of unwanted extensions on Mozilla Firefox, follow these steps:
        • Locate three horizontal lines on the Mozilla Firefox screen and click on it.
          firefox addons
        • Choose Add-ons.
        • On the next screen, locate Extensions from the left hand side pane.
        • You will get the list of addons installed on your Firefox.
        • You can disable the extension by clicking on Disable tab beside the unwanted extension.
        • If it prompts, restart the browser.


        Reset Firefox

        To refresh FireFox, follow these steps:

    Now that you are a pro and know how to remove pop-ups, browser hijackers and virus from Mac, protect your Mac all by yourself.

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