At first sight, Duckduckgo.com looks like a normal search page (Google, Bing or Yahoo), which has a lot of one-touch buttons for quick access to popular sites or social networks. Duckduckgo.com is a browser hijacker, which comes as an extension to Google Chrome, Internet Explorer or Mozilla Firefox. The hijacker promises to increase the efficiency of the search, but this is not true. Duckduckgo.com replaces your search results and may redirect you to ad sites.

Search.heasyconverter.co is a browser hijacker that comes in the form of a browser extension (Mozilla Firefox, Google Chrome, Internet Explorer). It looks like a real search engine (Bing, Yahoo, Google), which helps the user to raise the quality of search results, get rid of the irrelevant results. In fact, it is a trick.