A powerful Android botnet dubbed Geost has been spotted targeting Russian citizens, with the end goal of distributing a banking trojan to victims. The botnet has infected more than 800,000 Android devices, controlling several million Euros held in five banks. Researchers from Czech Technical University, UNCUYO University and Avast that discovered the botnet. The research was presented at Virus Bulletin 2019 in London on Wednesday. Researchers noted that the Botnet would likely still be undiscovered if it weren t for a series of lapses in the cybercriminals operational security (OpSec)
Source: https://threatpost.com/virus-bulletin-geost-android-botnet/148864/