

One of the most disconcerting things about the alerts in question is that the browser redirects may be triggered by a hijacker application that changes Internet surfing defaults on a compromised machine. It gained notoriety for malvertising activity and false positives used to persuade Mac users to purchase its license.
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The ‘Scan Now’ button in the bottom part of the page will download and install MacKeeper, a malware cleanup tool with controversial reputation. However, it is designed quite competently, includes the official logo of AppleCare Protection Plan, and generally looks trustworthy. Our deep scan will provide help immediately.” To avoid more damage click on ‘Scan Now’ immediately. Personal and banking information are at risk.

Traces of 1 phishing /spyware were found on your Mac. The immediate removal of the viruses is required to prevent further system damage, loss of Apps, Photos or other files. System damage: 28.1% - Immediate removal required! Our security check found traces of 2 malware and 1 phishing/spyware. “ Your system is infected with 3 viruses! No matter what option is selected on the popup, the incursion moves on and the victim ends up on the main page that goes, Press OK to begin the repair process.” The wording may vary, but the idea is to catch the user’s eye and persuade them to proceed. We have detected a Trojan virus (e.tre456_worm_osx) on your Mac. The redirect begins with a popup warning that provides the following information, “Immediate action required. Some of the domains reportedly involved in this shady activity include -protect-systems-live,, , and som008.site. These forcible hits are facilitated by perpetrating scripts on hacked sites, or by malicious code previously deposited on the Mac. Obviously, Mac users do not go to the spoof web page in question because they want to. Let’s delve into the technical nature of this online fraud. The message sure sounds scary, doesn’t it? Having stumbled upon it, some Mac users will end up following the malicious prompts provided on the page, and that’s a slippery slope. The fraudulent campaign to be analyzed herein revolves around bogus browser alerts saying, “Your Mac is infected with 3 viruses” or “Your system is infected with 3 viruses”. Rather than focus on a single attack vector, though, some threat actors prefer combining the two. Targeting computer software alone tends to be much more difficult than exploiting human weaknesses, so to speak.
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Learn how to get rid of annoying “Your Mac is infected with 3 viruses” browser alerts and get best practice tips on dealing with tech support scams like that.Ĭybercrime and social engineering go hand in hand these days.
