It looks like you've come across a file that is almost certainly a or malware .
In the world of Roblox, "Robux Generators" or "Robux Bots" are a classic trap. Here is the reality of what that file likely is: Robux BOT - CГіpia.rar
Many .rar files labeled as "Robux Bots" contain scripts designed to scrape your browser cookies or saved passwords. Once they have your "ROBLOSECURITY" cookie, they can log into your account without needing your password or 2FA. It looks like you've come across a file
Delete that file immediately and do not extract it. If you’ve already run anything from it, I'd highly recommend changing your passwords and running a full antivirus scan. Once they have your "ROBLOSECURITY" cookie, they can
Since it’s a compressed archive, it likely contains an .exe or .js file that, once run, installs a backdoor on your computer.