Since formal blog posts are rare for this specific tool, you will find the most "helpful" documentation by:
: Automatically finding and testing public proxy servers. AIO Leecher by billie.rar
: It is highly recommended to only run such executable files inside a Virtual Machine (VM) or a "Sandbox" environment to protect your primary operating system. Since formal blog posts are rare for this
: Files like "billie.rar" are often shared on peer-to-peer forums (like Cracking.org or Nulled). Because these are unofficial releases, they carry a high risk of containing malware or "stealers" designed to infect the user's computer. AIO Leecher by billie.rar