Adware that remains even after reinstallation of the system

Hello

Some time ago I noticed a strange behavior while searching Google. He keeps asking my computer and other computers in our home network to enter captcha. Later, I noticed that I have other Google ads on multiple websites. There are even ads on http://euronews.com/ . Furthermore, I see these ads in all browsers on my Mac only - ads are not displayed on the Windows computer connected to the same Wi - Fi. I have the same problem if I am connected to an another Wi - Fi.

I tried all the forms of Internet tips to remove the Adware from Mac - nothing works. Yesterday, I deleted the hard drive and reinstall the Mac operating system... and the ads are always display (again, no advertising on the Windows computer).

Could someone please explain to me how this is possible? Thank you in advance.

Ivan

I don't think that there is no adware involved: I see the same ads on Euronews. So either they are specific to Mac users, or your Windows computer has an anti-ad. (The latter will also solve your problem on the Mac.)

Tags: Mac OS & System Software

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