Check the : Right-click the .exe file -> Properties -> Digital Signatures. Genuine versions are often unsigned (as they are leaked internal tools), which increases the importance of using a reputable community source like XDA Developers.

The file appears to be a Samsung firmware flashing tool, but the specific name "Odin3 (1).zip" suggests it is a duplicate download or potentially a re-packaged file from a third-party source . File Identification

Upload the .zip or the extracted .exe to VirusTotal to check it against 70+ antivirus engines.