Not logged in
If you have downloaded this file, do not extract or run it .
Delete the file and empty your recycle bin immediately.
did you find this file (email, file-sharing site, etc.)? Have you already executed or extracted the file? This will help me suggest the best security steps.
Scan the file with reputable, updated antivirus software (e.g., Windows Defender, Malwarebytes).
If this was received via email, report it to your IT department or as phishing to your email provider. To give you more specific advice, could you tell me:
The extension .rar indicates a compressed archive file. Such files are often used by threat actors to bypass email scanners. Inside, it likely contains a malicious executable ( .exe , .scr ) or a document with malicious macros (e.g., .docm ).
This is almost certainly malware , potentially a trojan or ransomware , designed to steal credentials or encrypt files, leveraging nostalgia or curiosity regarding the historic "Melissa" virus.
