Researchers say a scareware gang has been seeding bogus websites with malicious JavaScript that locks Apple iOS devices and demands a ransom. The sites purport to offer everything from pornography to music downloads, they say. But the flaw exploited in the attack is blocked in iOS 10.3, released March 27 as part of a big batch of Apple security updates, fixing more than 300 flaws total in everything from macOS and iOS devices to Safari and the iWork suite. The pop-up window error dialog on newer versions of iOS is actually the result of Mobile Safari not being able to find a local URL lookup, so it fails.”]
Source: https://www.cuinfosecurity.com/apple-blocks-locked-for-illegal-pornography-ransomware-a-9798