Nation Zoom virus, alias nationzoom.com, has been categorized as a browser hijack virus (or Page Jacking) that interferes with Internet users by apparently generating web traffic. By technique, Nation Zoom virus can be indentified as a catawampus program, which perturbs browsers through plugins, BHO (browser helper object) or WinsockLSP approaches. Once Internet users get infected with Nation Zoom browser hijack virus, weird symptoms would occur on computer forcibly. Specifically, Nation Zoom virus may redirect default web page that opened to random websites based on nationzoom.com. Through modifying web browser configuration such as DNS settings, the Nation Zoom redirect virus has the capability to replace the default homepage or start-up to its malicious URLs while automatically add them as “trusted sites”. It is certain that Nation Zoom browser hijack virus should be terminated timely to end up its symptoms.