What is PDF PROS?
PDF PROS (portal.pdfpros.com) is a browser-hijacking application that “improves” the browsing experience in a negative way. This unwanted search website has been actively spread together with freeware/shareware programs. When this browser hijacker crawls into a victim’s computer, it starts altering browser configuration, redirects its victims to affiliate websites, and collects sensitive information without the user noticing. This data is shared with third-parties to get revenue. If you want to stop such activity, remove PDF PROS (portal.pdfpros.com) by following this guide.