I stumbled upon this new add on for Firefox. Don't know if any of you have heard or it or are currently using it. Try it out. Why not its FREE.
https://addons.mozilla.org/en-us/firefox/addon/search-engine-security/
Protect against redirections to fake AV pages, fake video, fake Flash updates, etc. by changing the Referer header when coming from a search engine result.
https://addons.mozilla.org/en-us/firefox/addon/search-engine-security/