Jmtrak.com is a site currently redirecting a lot of computers and their respective browsers to many random sites of very bad reputation. The reality is that the systems that experience such problems are most likely infected by adware. This is the program that is responsible for the wide range of annoying advertisement banners through the default browser, plus it also additionally redirects users to a lot of suspicious and unsafe sites. Jmtrak.com domains takes an active part in such redirections, so please carefully follow this guide that explains how to properly fix your system.