What Is Tab.pdfbaron.com?
If http://tab.pdfbaron.com (Pronto Baron) have become your browser’s new tab page, start page or default search engine (and redirects your searches to Yahoo) without your participation, then you likely have an unwanted browser extension installed. Extensions that change browser settings against users’ wishes are called browser hijackers. Browser hijackers are mostly distributed via freeware installers: a user installs some free app and doesn’t notice that a few other programs are supposed to get installed too. You may follow this step-by-step removal guide to get rid of the browser hijacker and remove Tab.pdfbaron.com (Pronto Baron) from your browsers.