Trojan:Android/Fakeinst malware appear to be installers for other applications; when executed however, the malware send SMS messages to premium-rate numbers or services.
F-Secure's Mobile Security product blocks installation of this program with default settings.
Variants in the Fakeinst malware family appear to be installers for various (possibly legitimate) applications. While active however, the Trojans send SMS messages to premium rate phone numbers or a subscription-based paid service.
The core functionalities of the variants are very similar, with only slight variations in the implementation and code . for instance, one variant uses single SMS sending, whereas a later variant may use asynchronous and threaded SMS sending.
These Trojans are widely distributed and use randomization techniques to evade detection by antivirus products.