Search.playsearchnow.com and PlaySearchNow are, respectively, bothersome search hijacker and extension for Safari, Google Chrome and Mozilla Firefox browsers running on Mac OS. PlaySearchNow is add-on, that installs in browsers, in the first place, and then captures search engine and homepage settings. Malware modifies them to search.playsearchnow.com, which looks characteristically for this type of threats. If users start using new engine, their searches will be redirected to Yahoo, Bing or some unknown third-party resource. The purpose of applications like this is to get revenue from advertising generated by people using this rogue search. Users should be aware, that along with search redirects, PlaySearchNow gets access to some browsing data, like history, cookies etc. This may this may have negative consequences for overall security of your Mac and privacy in the future.
Search.borderov.com is typical browser hijacker, that aims Safari, Google Chrome and Mozilla Firefox browsers running on Mac OS. It is accompanied with Borderov browser extension, that starts to manage search and homepage settings after infection. Hijacker alters values of the settings and redirects users search queries to search.borderov.com and then to search.yahoo.com. The purpose of applications like this is to get revenue from advertising generated by people using this rogue search.
Search.genieo.com or Genieo virus is malicious Mac application, that is classified as adware and browser hijacker. Virus installs Genieo app and two extensions: Genieo and Omnibar. With help of this add-ons malware takes control over search settings and homepage in Safari, Google Chrome and Mozilla Firefox. It modifies those settings to search.genieo.com. Also, Genieo will generate intrusive ads in these browsers, that will be marked like "Ads by Genieo", "powered by Genieo", "brought by Genieo". Search.genieo.com hijacker is connected with Infospace advertising network.
Facebook.com (a.k.a Facebook App or just Facebook) is advertising application for Mac, that opens Facebook.com website on MacOS startup and adds itself to the Dock. At a first sight, it seems harmless, however with this application malefactors can get access to browser data and settings, and use it to display targeted advertising, pop-ups in Safari or Google Chrome. We recommend you to remove Facebook.com virus application from Mac and remove residual data.
Malware Crusher is deceptive security application for Windows or MacOS. It sneaks into users computers without asking and performs scan of the system. If user ignores the program signals, Malware Crusher starts generating warnings and alerts, accompanying this with voice comments. Such intrusive and unfriendly marketing methods along with low-quality results of malware detection and protection puts Malware Crusher in the category of potentially unwanted applications (PUA). This badware also puts obstacles when users try to uninstall it.
MacKeeper by Kromtech is one of the most wide-spread and controversial optimisation and security applications for Mac OS. Currently it is considered legitimate and practicable program for performing Mac OS maintenance. However, due to questionable methods of distribution and obsessive behaviour when installed on Mac machines, it is determined by some reputable antivirus products as potentially unwanted application (PUA) or rogue program. For example, BitDefender Antivirus for Mac and Malwarebytes Anti-Malware for Mac detect and offer to remove MacKeeper on our test MacBook Pro. After installing MacKeeper starts showing alerts, reminders and warnings, claiming, that your Mac is "severely infected", "has serious performance issues", or "needs deep cleanup". Annoying windows force some users to buy this application. The scale of the problems is exaggerated, MacKeeper is acting as "scareware".