How to Disable Ads by Doc Assistant - Remove Doc Assistant Ads

I am having problems with ads by Doc Assistant,saver box and probably others that I don't have names for. I've tried to resolve this myself, but have not been successful. Please can you help?

Information of Doc Assistant

Doc Assistant is an ad-supported browser extension which can be classified as adware. This adware can slip into the computer along with suspicious downloads from the Internet. Once gets into the computer, Doc Assistant will compromise your browser and modify browser setting. It will attach on the browser as a browser helper object.When you surf the Internet, Doc Assistant is capable to generate a lot of pop-up ads to show on the webpage you are visiting.