Security researchers from Trend Micro warn of a new information stealing Android trojan that disguises itself as an app for Google's new social product Google+.
This latest threat is a variant of a recently discovered trojan called ANDROIDOS_NICKISPY which is able to record phone calls.
This new version stands apart from the rest because it is capable of answering incoming calls if the phone's screen is turned off and if the calls originate from a number predefined by the attackers.
"From the looks of it, the developer of this app went for the more real-time kind of eavesdropping as well, apart from the one ANDROIDOS_NICKISPY.A used, which involved recording calls," the Trend Micro researchers write.
"The 'auto-answering' function of this malicious Android app works only on Android 2.2 and...