Play Search Now, powered by http://www.playsearchnow.com is a long playing browser hijacker, that infects most browsers installed on your MacOS, including Safari, Google Chrome, and Mozilla Firefox. Outwardly it looks like a useful service similar to Yahoo.
Search.buildupstage.com is a fake search service that pretends to be a legal search engine. Created by Buildupstage this service is a part of network specializing in Mac software distribution. It was designed to earn profit generating traffic to Yahoo. It is nothing more than a typical browser hijacker that hacks browser and system configurations without users' permission. After that, Buildupstage virus is able to collect user personal data, his browsing activity, subsequently transferring this data to third parties for commercial purposes.
Valusc.com is malicious software that comes to the PC without the user's consent. The main task of the developers of this program is the distribution of advertising content, namely, forcibly redirecting the user to third-party sites
Nitratory.com is one of the potentially unwanted programs, in particular, adware, significantly reducing the performance of the browser. After penetration, this changes the browser settings in such a way as to constantly redirect the user to third-party sites containing advertisements.
Search.searchmmd.com is a browser hijacker, which is a false search page that looks like popular analogs, such as Yaho, Google and Bing. Moreover, the developers claim that Search.searchmmd.com significantly improves the quality of browsing and search efficiency.
