It sounds like you're referring to a file named — possibly a mod, tool, or cheat software for GTA V.
You may be prompted for a password found on a survey site. These sites are designed to generate ad revenue for the uploader and rarely provide a working password. Fake Setup Files: Gta 5 By Htg.rar
Could you clarify what you were hoping this file would do? If you describe the supposed feature, I can help you find a safe, legitimate alternative. feature looking at Gta 5 By Htg
If you were looking for a legitimate mod: Gta 5 By Htg.rar