Dissemination Routine
It has been a while that nationzoom.com virus plagues wide range of PC users. It is actually a browser hijacker that replaces default homepage to generate high traffic for money. With increasing traffic due to the hijacking activity, nationzoom.com manages to be contained in freeware/shareware and even rogueware for their publicity. Therefore one should be careful when downloading and installing third-party programs.
To aggrandize its traffic, nationzoom.com applies other dissemination routines to hijack browsers as many as possible: