Remove adware from Mac OSX Safari, Chrome or Firefox

By Published on September 24, 2016

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Updated: september 24, 2016
NoticeIf you have a problem with a malware related pop-up at Safari, see this instruction to get rid and forcibly close the pop-up.

Adware is not only for Microsoft Windows operating systems. Adware makes it’s way to MacOS, Safari, Google Chrome and Mozilla Firefox. We found lots of new Adware infections for MacOS e.g. Genieo, Spigot, Yontoo, Macvx and more.

What does adware on MacOS do?

MacOS adware might display pop-up advertisements, inline-text or audio advertisements. Adware is also known to cause browser redirects to suspicious downloads or technical support scams.

Unwanted advertisements and browser redirects are valuable for it’s developers because it makes money by redirecting your browser to suspicious pay-per-click or affiliate advertisement networks.

MacOS adware is not to be found key logging, spreading itself throughout your network or infecting system files. Adware is known to collect Personally identifiable information (PII) such as, your ip address, login codes,  your location, your current browser and even your browsing habits.

How to prevent adware on MacOS?

MacOS Adware often installs itself on your computer by custom bundled installation software. Be aware at what you install on your Mac and click any “Custom”  or “Advanced” button during installation.

Expose any possible offers or Potentially Unwanted Programs (PUPs) and uncheck the offers or PUPs before clicking any Next or Install button.

Example of MacOS adware scam.

a pop-up from MacKeeper which you see a lot in MacOS adware.

Adware & Malware Removal for Mac OSX

* Follow all steps if you experience any problems with adware or malware.

MacOS cleaning  – Quick menu

malwarebytesPerform a scan with MalwareBytes Anti-Malware

computer_icon_32Remove malicious extensions from Safari, Google Chrome or Firefox

bitdefender logoPerform a virus scan with Bitdefender Antivirus

malwarebytesMalwareBytes Anti-Malware for Mac OSX

Malwarebytes Anti-Malware for Mac scans for and removes code that degrades performance or attacks your system. Making your Mac, once again, your Mac.
Custom-built technology detects and removes adware. Proprietary database identifies over 160 adware variants. And it’s free, yes free, really.

Download MalwareBytes Anti-Malware for free from official location


Take notice: if the download-link above – keeps you redirecting to all kind of pop-ups. Please enter the following url in your browser:
Adware is known to hijack links and redirect them to unwanted url’s. We’ve seen this happing a lot in our tests.

  • Open the MalwareBytes DMG file and drag MalwareBytes Anti-Malware file to your applications folder.


  • Goto your applications folder and open MalwareBytes Anti-Malware.
  • When Mac OSX alerts you, this software is downloaded from the internet, agree and click Open.
  • Perform a automated adware scan with MalwareBytes Anti-Malware by clicking “Scan“.


  • If adware is found, follow the instructions.

computer_icon_32Remove Extensions from Safari, Google Chrome and Firefox MacOS

Adware on Mac behaves almost the same on a Windows computer and often use a Browser Extension to promote it’s advertisement or redirects. In this manual removal instruction we are going to remove the possible browser extension for Safari, Google Chrome and Mozilla Firefox. It’s is still advised to also run a automated removal tool as supplied in this instruction to check your computer for related adware files.

osx safari Remove adware from Safari

Open Safari

Goto Safari in the OSX menu and select Preferences

safari 1

Goto tab Extensions and remove all extension listed in the panel using the Uninstall button.

safari 2

osx safari Reset Safari OSX prior to version 8

When u need to reset Safari to default settings and thereby replace your default homepage back to the Apple website, follow this easy instruction.

  • Open Safari from the OSX menu
  • Click Reset Safari
  • Enable all items in the checklist
  • Click Reset button

osx safari Reset Safari OSX version 8 (MAC OSX Yosemite)

In Safari version 8 for OSX Yosemite, you cannot reset Safari by clicking some easy buttons. You need to go into the system files and remove anything plugged into Safari 8.0.
There is a easy way to reset your homepage.

  • Select LEFT Shift button your keyboard
  • While holding the LEFT shift, open the Safari browser by clicking the icon on your desktop or Dock.
  • Goto the website you want as homepage for example: and stay on this website
  • Goto Safari in the menu
  • Select Preferences
  • By Homepage: click the button Set to Current Page.
  • Close Safari and open again
  • Your default homepage is now the homepage of your choice (if not, perform a scan with AdwareMedic as supplied in this instruction).

google-chrome-logo Remove adware from Google Chrome

  • Open Google Chrome
  • Select the Google Chrome menu and then Settings

google chrome 1

  • On the left select Extensions and remove all extension listed in the panel using the trash can icon.

google chrome 2

google-chrome-logo Reset Google Chrome to default settings MacOS

  1. Click the Chrome menu Chrome menu on the browser toolbar.
  2. Select Settings.
  3. Click Show advanced settings and find the “Reset browser settings” section.
  4. Click Reset browser settings.
  5. In the dialog that appears, click Reset. Note: When the “Help make Google Chrome better by reporting the current settings” checkbox is selected you are anonymously sending Google your Chrome settings. Reporting these settings allows us to analyze trends and work to prevent future unwanted settings changes.

Resetting your browser settings will impact the settings below:

  • Default search engine and saved search engines will be reset and to their original defaults.
  • Homepage button will be hidden and the URL that you previously set will be removed.
  • Default startup tabs will be cleared. The browser will show a new tab when you startup or continue where you left off if you’re on a Chromebook.
  • New Tab page will be empty unless you have a version of Chrome with an extension that controls it. In that case your page may be preserved.
  • Pinned tabs will be unpinned.
  • Content settings will be cleared and reset to their installation defaults.
  • Cookies and site data will be cleared.
  • Extensions and themes will be disabled.

mozilla-firefox-logo Remove adware extension(s) from Mozilla Firefox

  • Open Firefox
  • Goto Firefox OSX menu select Preferences

firefox 1

  • On the left select Extensions and remove all extensions listed in the panel.

google chrome 2

mozilla-firefox-logo Reset Mozilla Firefox to default settings MacOS

  1. Click the menu button New Fx Menu and then click help Help-29 .
  2. From the Help menu choose Troubleshooting Information.
    If you’re unable to access the Help menu, type about:support in your address bar to bring up the Troubleshooting information page.
  3. Click the Reset Firefox… button in the upper-right corner of the Troubleshooting Information page.
    Reset 29 Mac
  4. To continue, click Reset Firefox in the confirmation window that opens.
  5. Firefox will close and be reset. When it’s done, a window will list the information that was imported. Click Finish and Firefox will open.

** Remember to also scan your computer for adware using the free tools in the top of this instruction.

bitdefender logoBitdefender Antivirus for MacOS

There is a difference between a adware and a virus scan. The virus scan has much more virus-definitions to scan your Mac. It’s recommended to have a good virus scanner for MacOS. There are free and premium paid alternatives if it comes to Antivirus software for MacOS.
As this website is build to advise you free software (in trial ware, or completely free). Our advise is to scan with Bitdefender Antivirus.

Download from MacOS AppStore



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