For years, the myth has prevailed on computers with a functional Mac ή Linux It is difficult for infection to occur and how the systems with the highest infection rates are those of Windows.
We will not disagree, but we will only agree on the percentages. Obviously, the operating systems with the highest rates of infection are those of Microsoft, since they are the most widespread in the world, so the "hits" are concentrated there as well. 
In the days, however, there is a growing number of users who, in the Mac environment, have been hanging out of Windows, Adwares, the browser's add-ons for years.
First step
The first thing we notice when o computer us infected by adwares is the non-approved by the user opening pages with various advertisements etc.
First the user must perform a scan with the following program.
It is AdwCleaner's family program for Windows environment. The specific preletterthey will scan our system and clean all kinds of known adware affecting browsers.
Second step
Install and scan the system with one of the following free antivirus for Mac.
There are also paid security solutions for anyone who wants it, like Kaspersky and Eset.
Third step
Shielding tourists with the familiar to all of us Adblock.
Here you will find the Adblock add-on for Apple's browser Safari, για τον Chrome και για τον Firefox.
Tips for protecting Windows systems from the following link:
