For years, the myth has prevailed that it is difficult to get infected on computers running Mac or Linux , and that the systems with the highest infection rates are those running Windows .
We will not disagree, but we will agree only on the percentages. Obviously, the operating systems with the highest infection rates are those of Microsoft, since they are also the most widespread worldwide, and thus the “hits” are focused there. 
These days, however, the number of users who in a Mac environment encounter the well-known ones that have been present for years from Windows, Adwares, the browser's advertising add-ons, is increasing.
First step
The first thing we notice when our computer is infected by adwares is the user-unapproved opening of pages with various advertisements, etc.
Initially, the user must perform a scan with the following program.
It is the counterpart program of AdwCleaner for the Windows environment. These programs will scan our system and will clean every kind of known adware that affect browsers.
Second step
Installation and scanning of the system with one of the following free antivirus for the Mac environment.
There are also paid security solutions for those who wish, such as those from Kaspersky and Eset.
Third step
Browser protection with the well-known Adblock.
Here you will find the Adblock add-on for the Apple Safari browser, for Chrome, and for Firefox.
Tips for protecting systems with Windows from the link below:
