Go to VirusTotal.com and upload the .rar file. This service scans the file using over 70 different antivirus engines to tell you if it's safe.
did you download this file from? (e.g., a specific website, email, forum?) What is the file size? Have you already scanned it with any antivirus software? anbirewi.rar
certainty. However, here are the general rules regarding unidentified RAR files: Go to VirusTotal
Unpacking "anbirewi.rar": Is It Safe? A Digital Safety Guide a specific website
Disclaimer: This blog post provides general security advice. Always ensure your antivirus software is up to date.
Attackers often name files something.rar.exe to trick you into thinking it's an archive when it's really an executable script. How to Check if "anbirewi.rar" is Safe