Remove ads by BetterSurf and jsn.donecore.net popups

Ads by BetterSurf and their appearance in your browser means that your computer is infected with an adware program which acts quite aggressively on your computer. It affects all browsers you have installed, including Google Chrome, Mozilla Firefox and Internet Explorer. Whenever you open your browser to look for something - these ads brought by BetterSurf will come up. They can be presented in the form of some banners, pop-ups in the right-bottom section of your computer, or as intext links related to some words which are double-underlined. Plus, you may see a lot of annoying popups from jsn.donecore.net.