In 2014 our Mobile-Sandbox analyzed over 100,000 Android applications that were submitted by mostly anonymous users, Anti-Virus-Companies and by our own. In the same time we updated our system several times with new features and we modified the backend and the analyzing extensions. These updates unfortunately resulted in some downtimes and a clean database and we are still working to get all the data back in the system and to get everything running again.
Most of these malicious applications had been downloaded from Third-Party markets, but we also found some malware families with samples that had originally been downloaded from Google-Play. When looking at the malicious and unwanted applications and the corresponding families, one can see the following distribution of malicious behavior: