If you have already downloaded one, run a full system scan with a reputable antivirus immediately and change your passwords.
If you are playing a version of the game today (such as through a private server or emulator), the only safe ways to progress are: : Completing in-game missions and daily rewards.
Searching for a will lead you into a trap. While these tools claim to grant free premium currency, they are almost universally designed to compromise your device or personal information. The Reality of "Hack Tools"
: Participating in community events hosted by the specific server's developers.
: Using the official shop if the developers have a legitimate payment system set up.