The "XX" prefixes and suffixes often denote masking or encryption in tech shorthand.
Was this a specific you need help solving? XXA.ny.thi.n.gth.en.aXX.zip
The core of the string ("anything then a") suggests a feature. The "XX" prefixes and suffixes often denote masking
: A Stealth Zip feature that hides the true contents and size of an archive from metadata crawlers, displaying a generic "Anything" label to unauthorized users. 3. Procedural Content Generation If this is for a game or software project: XXA.ny.thi.n.gth.en.aXX.zip