Likely the "release group" or the specific source/encoding team.
The "Matroska" video container, which supports multiple audio tracks and subtitle streams. Safety & Best Practices Bula20221080pVMAXWEB-DLTheMoviesflixnetmkv
Portuguese (often available with English subtitles). Understanding the Filename Likely the "release group" or the specific source/encoding
File names like this are "scene tags" that tell you exactly what you are getting: The resolution (Full HD). Bula20221080pVMAXWEB-DLTheMoviesflixnetmkv