Experts recommend only interacting with such files inside a dedicated virtual machine (VM) with networking disabled to prevent accidental infection of your host system. Technical Characteristics of "Zoo" and "RAR" Files

If you have encountered this file, it likely contains intended for research and educational purposes.

Historically, .zoo was an archive format developed in the 1980s. In the context of modern security, "Zoo" almost always refers to a malware zoo (a collection of virus samples).

While there is no single widely-known official report for a file specifically named its nomenclature strongly suggests it is a compressed archive associated with "theZoo," a popular open-source malware repository on GitHub . Context and Security Warning