Users of inexpensive Android smartphones typically look for ways to accelerate their devices, for example, by freeing up memory. Demand for software that makes smartphones work a little faster creates supply, some of which happens to be malicious. In addition to legitimate applications, apps that only pretend to clean up the system have appeared on Google Play.

We have come across PC malware that infects mobile devices before. However, in this case it’s the other way round: an app that runs on a mobile device (a smartphone) is designed to infect PCs.

On January 22, 2013 Kaspersky Lab discovered the following application on Google Play:

The app is obviously quite popular and has a good rating:

This application has a twin brother that has an identical feature list but a different name: