NationZoom Portal Site as the home page of your browser is an illegal form of modifying your browsing settings caused by malware. This domain has nothing to do with any of decent search engines, even though it claims of itself as “the best and most complete navigation site of the US”. Yet, if you use this hijacker to look for the necessary information you will discover that it simply uses Yahoo Search results and claims that this is how the so-called “best search” is made. What a pack of liars indeed are those who developed this junkware nationzoom.com/us. Use this guide to remove it from your PC.