To disable:

Right click on the Awesome Screenshot icon -> Options -> Uncheck "Enable similar product search powered by Superfish"

Safari menu -> Preferences -> Extensions tab -> Uncheck "Enable similar product search powered by Superfish".

Click awesome screenshot button on firefox -> Options -> Uncheck "Enable similar product search powered by Superfish" .

Awesome Screenshot Similar Products is a comparison shopping tool brought to you by Superfish, Inc.

It allows you to instantly compare prices and find similar products on millions of products on the web.

Just hover over a product to open up an offer window and find deals. We also identify products you may be interested in and automatically display relevant offers.