Kaspersky Lab Weblog:
Recently, we've seen SMS Trojans starting to appear in more and more countries. One prominent example is Trojan-SMS-AndroidOS.Stealer.a; this Trojan came top in Kaspersky Lab's recent mobile malware TOP 20. It can currently send short messages to premium-rate numbers in 14 countries around the world.
But this is not all. Another Trojan, Trojan-SMS.AndroidOS.FakeInst.ef, targets users in 66 countries, including the US. This is the first case we have found involving an active SMS Trojan in the United States.
FakeInst was detected by Kaspersky Lab back in February 2013; since then, 14 various versions of it have emerged. The earlier versions were only capable of sending messages to premium-rate numbers in Russia. But by mid-2013 other countries appeared on the "support list":
Continued : http://www.securelist.com/en/blog/8209/An_SMS_Trojan_with_global_ambitions

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