PDFConverterHQ Toolbar is presented as a tool that can convert .doc files to .pdf in Google Chrome, Mozilla Firefox, IE, Safári. However instead a useful options it brings only problems to the user who installed it. The browser extension not only adds the toolbar to a browser, but also changes its settings. This includes another homepage, which becomes an unknown and malware search domain. além de, a victim of the malware may notice a high amount of ads that will start to appear on every visited page. Both advertisement and newly set search engine has the same purpose - to redirect a user on a partner source.