Open your operating system's default file explorer or use a trusted archive manager (like 7-Zip or WinRAR) to click on the folder. Most modern extraction tools will allow you to look at the list of files without actually running or extracting them.
Right-click the .zip folder and run a scan with your local antivirus software (or upload it to a multi-engine scanner like VirusTotal) before extracting any files. Derpixon_2021.zip
You can view their full catalog of animations directly on the Derpixon Newgrounds Portal . Open your operating system's default file explorer or
You can check for updates and official merch announcements on the Derpixon X (Twitter) Account . You can view their full catalog of animations
If you are looking for the original, safe source of the artist's content rather than a third-party archive file, you can check their official verified pages: