If you must use mods, only use well-known community forums with high user trust ratings, never random Google Drive links.
If you haven't entered the password yet, delete the file now. shadowfight2_2.22.1_password.zip - Google Drive
If you installed an APK from the ZIP, go to Settings > Apps and look for anything suspicious with "Overlay" or "Accessibility" permissions. If you must use mods, only use well-known
Password-protected ZIPs hide content from Google’s antivirus scanners. If you must use mods
The game is designed for progression; look up "Shadow Fight 2 move combos" to beat bosses without mods.
You might be asked to complete "offers" to get the password, which never actually works.