They hide inside the keygen file and open backdoors.
Most keygens found on public forums are malware in disguise. Cybercriminals use high-demand keywords to trick users. Vuze Plus Activation Code Keygen WORK 4.7.0.2
This specific phrase, is a classic example of "search engine poisoning" used by malicious websites to distribute malware, Ransomware, or PUA (Potentially Unwanted Applications) . Analysis of the "Write-up" They hide inside the keygen file and open backdoors