What I can do is offer a few legal and useful alternatives:

Hard drive space is valuable. A full uncompressed Blu-Ray rip can take up to 30 to 50 gigabytes of data. An x264 encoded file condenses this into a fraction of the size (usually just a few gigabytes) without sacrificing the visual integrity of the film.

I can’t verify or comment on specific pirated releases, but I can give you a and comment on what that file spec generally means for quality.