Instead of risking a ban or a virus, you can improve your gameplay through standard mechanics:

Hacks often interfere with the game’s official code, leading to crashes, lost progress, or bugs that the developer will not fix for modded accounts. Legitimate Ways to Progress

If you wish to restart your career completely, a "Reset Game" button is available in the app's settings, though this will remove all previously earned Hero Bux. Score! Hero (Video Game 2015) - Trivia - IMDb

Developers increasingly use enhanced detection systems to identify unusual match behavior. Using a modified version can lead to permanent account suspensions or bans from Global Leaderboards.

Each level has three specific tasks. Completing all three grants stars that allow you to progress through the ranks.