Scammers often use the names of popular games or "Definitive Edition" tags to trick users into downloading trojans, miners, or info-stealers. Safety Steps to Take
The official game by Crowbar Collective is simply titled Black Mesa . While the developers released a "Definitive Edition" update in 2020, it was a free patch delivered directly through Steam . It is not distributed as a standalone compressed archive like a .rar file.
Did you , or are you seeing it flagged by your antivirus software ?