ClickLock Mac malware locks apps until you give in

A routine "verify you are human" page should never ask you to open Terminal, the Mac app used to run computer commands. Yet that is how a new malware attack appears to get onto a Mac. The page tells you to copy and paste a command into Terminal. It then shows a convincing progress bar while the command quietly downloads malicious software in the background.

Next, a password box may appear that looks like a normal macOS request. If you cancel it, the malware can come back after you sign in again and repeatedly close Finder...