Many countries, including the United States (under the DMCA) and members of the European Union (under the Directive on the Legal Protection of Computer Programs), explicitly prohibit the circumvention of technological protection measures. A keygen that defeats Vreveal’s activation system falls squarely within this prohibition.
The file name you've encountered follows a common pattern used by malicious actors to lure users looking for paid software for free: Vreveal Premium Vreveal Premium License Key Generator.epub