Have you , and if so, what types of files are inside (e.g., .txt, .jpg, .mp3)?
: If there is an audio file, viewing its visual waveform can sometimes reveal hidden text. Secrets of the Treehouse - Part2.zip
: Use a tool like VirusTotal to ensure the zip doesn't contain executables ( .exe , .scr , .bat ). Have you , and if so, what types of files are inside (e