Did you from a specific website, or did it arrive as an email attachment ?

: If you still have the file and want a technical verdict, you can upload it to VirusTotal . This service will scan the file against over 70 different antivirus engines simultaneously to see if any flag it as malicious.

: Malware authors use .7z or .zip archives to bypass basic email filters and hide executable files (like .exe , .scr , or .vbs ) from immediate detection by antivirus software.

: Once the file inside is opened, it could encrypt your data and demand payment for its release. Recommended Safety Actions

: If you have not opened the file, delete it immediately.