The amount of malware in the world can be counted in many different ways. Here at F-Secure Labs, we prefer a more conservative approach to enumerate threats. It seems others prefer this method as well:
The Android statistics above are from our Mobile Threat Report for Q2 2012. All of our reports are available on the F-Secure Labs section of our dot.com site. Check them out.
The not atypical workspace here at F-Secure Labs… very sophisticated.