Roblox.har -

A scammer contacts you (often on Discord) offering to make a free GFX (high-quality 3D render) of your avatar.

Scammers often use social engineering to trick players into handing over this file: roblox.har

They claim they need your "avatar data" to import it into 3D software like Blender. A scammer contacts you (often on Discord) offering

They send a video tutorial showing you how to go into your browser’s developer tools, click the Network tab, and "Save as HAR" . click the Network tab