: Upload the .rar file to VirusTotal . It will check the file against over 70 different antivirus engines.

: While it may claim to be a "combo" (a list of usernames and passwords for account cracking), the .rar file itself usually contains an executable (.exe) or a heavily obfuscated script .

: Check if there is a hidden .exe inside the archive. Attackers often name files document.txt.exe to trick users. To help you further, could you tell me: Where did you encounter or download this file?

: Once opened, it typically executes a background process that scans your computer for browser-stored passwords, credit card info, and cryptocurrency wallet keys.