ANDROIDOS_NICKISPY.C is a new variant of an Android Trojan that masquerades as a Google+ app and has the ability to answer incoming calls and respond to remote commands that arrive via SMS. The malware only has the capability to intercept incoming calls on Android devices running version 2.2 or earlier of the operating system. Android has become a frequent target for attackers in the last few months as the popularity of the platform has continued to grow. There have been cases this year of SMS Trojans being found in Android apps in the Google Market.
Source: https://threatpost.com/android-malware-found-stealing-texts-intercepting-calls-081511/75540/