If you didn't specifically request this file from a trusted person, delete it immediately.
Only download from trusted sites. If you receive a ZIP from an unknown sender, it could contain a virus that spreads through contact lists. Hashtags: #LearnTech #ComputerBasics #DigitalSafety Instructions for Downloading ZIP Files
On Windows, you can simply right-click and select "Extract All".
Temporary files from a browser download that didn't rename properly.