Digital archeologists always open old .rar files in a "sandbox" or virtual machine to prevent potential legacy malware from affecting modern systems.
The filename is a blend of alphanumeric substitutions commonly used in early hacker culture and gaming communities to bypass automated filters or to create a unique "signature" for digital assets. LIS34ND4RTHURLIK34VIRGIN.rar
The folder it was found in often tells more than the filename itself. Digital archeologists always open old