Do not open or extract the file on your primary system.
Malicious campaigns have been identified using fake websites (e.g., 7zip.com ) to distribute legitimate-looking 7-Zip installers that actually turn user PCs into proxy nodes. SconeFive.7z
Analyze the file in a secure, isolated environment or upload its hash to a service like VirusTotal to check for existing community reports. Do not open or extract the file on your primary system