Knowing where you saw this name or what you were trying to download would allow me to dig deeper into what this might actually be.

: Re-visit the page where you found the link. Look for user comments or "reputation" markers for that specific uploader.

: Could you be looking for "Instagram" related tools or a specific game mod? Sometimes names are garbled during searches or in file descriptions.

Extracting unknown .rar files can execute scripts that compromise your data.

: Upload the file to VirusTotal to see if multiple antivirus engines flag it as a threat.

To help you get the right information, here are the most likely possibilities and how to handle them: