In the case of DS it is the structure of the site licensed advertising. If it is a genuine site re-direct to an advertisement then it is malware - do as puffin suggests.
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In the case of DS it is the structure of the site licensed advertising. If it is a genuine site re-direct to an advertisement then it is malware - do as puffin suggests.
If you're using Chrome, add Ghostery, Adblock Plus and Adblock to your extensions and you should be fine.