Malware
Joker
aka Bread
Joker is one of the most well-known malware families on Android devices.
Joker, also known as Bread, is a Android malware family.
Background
Joker ranks among the best-known malware families targeting Android. It repeatedly slips into Google's official app store by varying its trail signatures, which involves altering the virus's code, its execution flow, and the way it fetches payloads. The malware can steal users' personal data, including contact information, device details, WAP services, and SMS messages.
Source: Malpedia (Fraunhofer FKIE).