Android.Exprespam is a Trojan horse for Android devices that displays a fake message and steals personal information stored on the compromised device.
Android package file
The Trojan may arrive as a package with the following characteristics:
APK: frhfsd.siksdk.ujdsfjkfsd
Version: 1.1
Name: App for Android Devices (in Japanese)
Installation
Once installed, the application will display an icon with the text App for Android Devices (in Japanese).

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