: Use a tool like 7-Zip or WinRAR to "Open Archive" rather than "Extract." This allows you to see the file names and extensions inside (e.g., .txt , .exe , .dat ) without running anything.
: Run the file through VirusTotal to see if it’s flagged as malicious. File: Axsens_Term-127.zip ...
Do you remember where you this file? Knowing the context would help me narrow down exactly what it is. : Use a tool like 7-Zip or WinRAR