This will remove the extension from the Safari browser and also delete all malicious activity. Within the Extensions tab, select the extension that you think might be malicious.Click on Preferences from the Safari menu.After the successful launch of the Safari browser.Launch the Safari Browser in Mac while holding the shift key.Here are the quick steps to delete the extensions from Safari browser on mac computer:

In that case, you should quickly identify and delete the extensions from the Safari browser. There are high chances that a browser extension might be causing the issue to inject the malicious sites. This will kill the connection between the hacker and your safari browser. If you are using an ethernet connection, simply disconnect the ethernet cable.Turn off the WiFi connection from MacвЂ™s menu.In case if you are still facing trouble in closing the unwanted pages in Safari, you will need to take some additional steps. You can release the shift key once Safari is safely launched.Pressing shift key will prevent the previously opened pages to relaunch again in Safari. Press and hold the shift key while launching Safari again.

I remove mac cleaner from chrome