Upload the file to VirusTotal to check it against dozens of antivirus engines.

did you download this from (e.g., a gaming forum, a work email, a torrent)? What approximate size is the file?

If the file asks for a password, it is usually listed on the website where you found the link. Avoid "password remover" tools, as they are often scams.

Since it is a .rar file, it is a used to store one or more files in a smaller size. 🛡️ Safety First