This morning we’ve first seen the popup jsn.donecore.net in our browser. This pop-up is related to the adware program called BetterSurf. This annoying thing reveals itself in particular after visiting some commercial sites like Walmart.com, Amazon.com, Ebay.com, etc. As a result, you might see the large number of Ads by BetterSurf that come up in various parts of opened page of browser. In this guide we will explain to you how to get rid of these Ads by BetterSurf and jsn.donecore.net pop-ups automatically with the help of a full version of Plumbytes Anti-Malware.