: Never provide personal email addresses or credit card information to sites that require you to download ZIP files for "access" to content.
: Upload the file or the URL you got it from to these services to check against 30+ security blocklists.
: ZIP files can hide executable files ( .exe , .scr , .js ) that install spyware or ransomware once extracted.
Watching porn safely: a guide for grown-ups - Kaspersky
: Clicking links on sites like mmsking.com can trigger "drive-by downloads," where malicious code is installed without your consent. How to Verify the File Safely