Fake antivirus program now goes by the name “MacShield,” the fifth title since the early-May appearance of the scheme. Apple issued the third signature update in as many days to combat the con. Apple in turn released another signature update early Friday to XProtect, the bare bones anti-malware tool tucked into Mac OS X 10.6. Once installed, the worthless program nags users with pervasive pop-ups and fake alerts until they fork over a fee. MacDefender demands $60 to $80 to stop bothering victims.”]
Source: https://www.csoonline.com/article/2128761/mac-scareware-gang–apple-trade-blows-yet-again.html