The IENE Conference Organizing Committee reviewed over 200 abstracts and devided them into the following types of presentations:

If you tell me (e.g., an email, a forum, a specific website) or what you expected the file to be , I can give you a better assessment of the risk.
If you feel it is safe, scan the file with VirusTotal before opening it. Download File hn66exu9qldm.zip
It is impossible to provide a report on a specific file named "hn66exu9qldm.zip" without more context. If you tell me (e
Such files can contain ransomware, spyware, or trojans. Such files can contain ransomware, spyware, or trojans
If you did not intentionally request this file from a known and trusted source, delete it immediately.
Based on the filename format (a random string of letters and numbers), this appears to be a (like MediaFire, Mega, or a similar service) or generated by a temporary file transfer utility . ⚠️ Security Warning
Files with generic or random names like this, especially if downloaded from untrusted sources, carry a high risk of being malicious. unless you are absolutely certain of its source.