BKA trojans for Android: how to protect yourself

The BKA Trojan "Koler.A" is currently on the move and is nesting on Android phones. This practical tip explains how you can protect yourself against the intruder.

How to protect yourself from the BKA Trojan on your android

Anyone who has caught the Trojan once will receive a pseudo message from the corresponding federal state with symbols from the responsible criminal authorities. This also includes a request to pay a penalty fee. Affected people can no longer operate your smartphone properly, only the home button works, but always returns to the message when other activities are started.

• The Trojan is basically an app that has to be installed first. The criminal offenders use access via other apps that are permitted by installing apps from third-party sources. So avoid installing apps from dubious sources. It's best to limit yourself to the Google Play Store.
• Also check to see if you agree to install apps from third-party sources. To do this, call up the settings and, if necessary, deactivate the checkbox behind "Unknown origin" under "Security".
• If you have already caught the Trojan, we will help you to get rid of it. You can also find detailed instructions in the following video:

We will explain in another practical tip how you can recognize Trojans on your PC.