GFI : Avid readers of this blog can attest that we have been documenting a number of noteworthy and malicious binaries affecting smartphones, and users running Android, specifically, are affected mostly by these threats. One malware we have featured is called OpFake, a family of Trojans posing as a free app, which are often times under the guise of Opera Mini. Once OpFake is installed on a smartphone, it sends SMS messages to premium-rate numbers without the owners knowing. In other words, it scams them into shelling out money. (Android, Phones, Services, Software, Web)