: Attackers sometimes bundle a legitimate tool with a "Trojan" that turns your PC into a proxy node or steals your keystrokes.

Downloading and executing compressed files like "kyubi_checker.zip" from unverified sources (such as Discord, Telegram, or unofficial forums) carries significant risks:

Depending on the specific source, a "checker" tool usually performs one of the following tasks:

: Testing a list of proxy servers to see which are currently online and responsive. Security Risks and Best Practices

: The "checker" itself may be designed to steal the very accounts you are trying to verify. How to Safely Handle This File