PDFSearchHQ

PDFSearchHQ is a piece of rogue software that malware experts describe as a Potentially Unwanted Program (PUP). This tool typically installs as a corrupted browser extension or a separate program on infected computers. Then, it modifies the browser's settings so that users get redirected to sponsored links or other third-party websites, thus generating traffics and profits for the attackers. Also, the malware's website opens as a homepage on each browser launch as well as each time the user opens a new tab.

Most importantly, users affected by PDFSearchHQ browser hijacker will notice that their default search engine has been replaced with the URL pdfsearchhq.com. All user search queries are from then on redirected through this fake search engine, while the displayed search results are derived from search.yahoo.com. This happens because PDFSearchHQ cannot generate any unique search results and needs to use the technology of a legit search tool.

Browser hijackers like PDFSearchHQ typically sneak unnoticed into the target PC. Their developers bundle them within the installation files of other software programs. They also can be hidden within online advertisements and banners through corrupted scripts. To avoid getting infected with a browser hijacker, do not click on random pop-ups. Also, users should download software only from the developer's official website. PDFSearchHQ can be removed manually from your PC, or you can use an automated removal tool to clean up your device.