: Use a hex editor or a utility like Double Commander with appropriate plugins to peek at the file list before fully extracting.

: Upload the file or its download link to VirusTotal to scan it against dozens of antivirus engines.

A .rar file is a proprietary compressed archive format developed by RARLAB . To understand what is inside without compromising your system:

: The "Lab052022" string suggest a date of May 2022 . This is a common format for educational course labs (e.g., "Laboratory 5, 2022") or internal security lab snapshots. Safety and Malware Verification

If this file is meant to be a supplement to a research paper:

: If you have a hash (SHA-256 or MD5) provided by the original sender, you can use a tool like NordVPN's File Checker to ensure it hasn't been tampered with.

: Right-click the file and select "Scan with Microsoft Defender" or your preferred local antivirus before extraction. How to Find the Associated Paper