The person who modified the app may have added spyware to track your keystrokes or steal passwords.
Alerts you if an app tries to access your hardware without permission.
The safest way to enjoy Avira Pro is through the official channels:
Download the official app from the Google Play Store and look for a 7-day or 30-day Pro trial.
Using modified apps can lead to your Avira account being blacklisted. How to Get it Safely
Removes all interruptions found in the free version.
Instead of risking your device with a modified file, here is everything you need to know about the experience and how to stay safe. Why Avira Antivirus Pro?