Be careful out there.
Palo Alto Threat Intelligence Director Ryan Olson said the “KeRanger” malware, which appeared on Friday, was the first functioning ransomware attacking Apple’s Mac computers.
“This is the first one in the wild that is definitely functional, encrypts your files and seeks a ransom,” Olson said in a telephone interview.
Hackers infected Macs through a tainted copy of a popular program known as Transmission, which is used to transfer data through the BitTorrent peer-to-peer file sharing network, Palo Alto said on a blog posted on Sunday afternoon.
When users downloaded version 2.90 of Transmission, which was released on Friday, their Macs were infected with the ransomware, the blog said.