Security researchers have discovered a new piece of Mac malware; however, some of its purpose and full features will remain a mystery for a little longer.

Named Tarmac (OSX/Tarmac), this new malware was distributed to macOS users via online malvertising (malicious ads) campaigns.

These malicious ads ran rogue code inside a Mac user's browser to redirect the would-be victim to sites showing popups peddling software updates -- usually for Adobe's Flash Player.

Victims who fell for this trick and downloaded the Flash Player update would end up installing a malware duo on their systems -- first the OSX/Shlayer malware, and then OSX/Tarmac, launched by the first.

Distributed Since January 2019

This malvertising campaign distributing the Shlayer+Tarmac combo started in January this year, according to Taha Karim, a security researcher at Confiant.

Read Complete Article: https://www.zdnet.com/article/macos-users-targeted-with-new-tarmac-malware/