He yanked the power cord. Too late. When he rebooted, his desktop was a single image: a sad Jolly Roger with a beret, holding a baguette. Below it, a text box: "Entrez le code de déchiffrement — ou dites adieu à votre thèse de master."

At 0 seconds, a file named Photoshop_CS6_Crack_FR.exe (47 MB) began downloading. Léo frowned. The real CS6 was over a gigabyte. This was the size of a screensaver, not a software suite.

The ransomware timer ticked down for three days, then crashed.

Léo didn’t have Bitcoin. He didn’t have 50 cents.