MacSecurityPlus is advertising virus, that hits Mac systems. It aims Safari, Google Chrome or Mozilla Firefox browsers and wants to control these apps to display ads, pop-ups and get access to private user’s data. MacSecurityPlus does not have any interface, but its activity can be spotted in Activity Monitor. It also generates fake system alerts and causes legal system messages to force users to grant access to browsers for MacSecurityPlus. As a result of virus activity, users may experience unstable browsers operation, modification of browser settings, such as default search engine and homepage, and annoying, unusual advertising. In addition to that, MacSecurityPlus access to browsing data (history, cookies, caches, bookmarks), opens gate to affected computer for advertisers of all kinds.