Teenage hacker developed a dangerous booter that was offered for sale, it was used to crash 224,000 websites around the world. Grant Manser, 20, was arrested by local Cyber Crime Police in November 2014 for selling Dejabooter, Vexstresser, netspoof, and Refinedstresser. The software was available for sale in the dark web for between 5 and 20, according to the prosecutors he gained over 50,000 that spent on upgrades to his computers and on his motorbike.”]
Source: https://securityaffairs.co/wordpress/46221/cyber-crime/british-youngster-sold-booter-malware.html