Apollo becomes a tall, youthful soldier with long golden hair, Arnold a lumbering warrior, having the torso of a bear and the majestic head of a lion, and Tom aging tenfold into withered old man, his true age becoming only too apparent.

FORBES: Some Ideas for Replacing 'Harry Potter'

Europol believe the head of the operation was a 27-year-old Russian man who had been in charge of the "creation, development and international distribution of the various versions of the malware".

BBC: Police hold 11 over ransomware scam 'affecting thousands'