ANDROIDOS_SKULLKEY.A
Information Stealer, Premium Service Abuser, Spying Tool
Android
Threat Type: Backdoor
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This backdoor poses as an Android app using different app names. It gathers device information. It sends SMS messages to premium numbers, resulting in unwanted charges billed to you. It uses common file icons to trick a user into thinking that the files are legitimate. It sends stolen data to certain websites.
TECHNICAL DETAILS
Mobile Malware Routine
This backdoor poses as an Android application that uses random names such as the following:
- repacked:com.yinhan.hunter.uc
It gathers the following device information:
- IMEI,phone number,contacts
It accesses the following URL(s) to send and receive commands from a remote malicious user:
- http://{BLOCKED}pping.com:8088/v1.aspx?$$DATA$$
- http://{BLOCKED}ping.com:8088/v2.php?logContent=$$DATA$$
- http://{BLOCKED}pping.com:8088/v3.php?logContent=$$DATA$$
It sends text messages to any of the following premium-rate numbers resulting to unnecessary high phone charges:
- Numbers:"+8613286689461", "+8613246611432", "+8613246734320", "+8613246612102", "+8613246651964", "+8613246652410", "+8613246620373", "+8613246726554"
It uses common file icons to trick a user into thinking that the files are legitimate.
It sends the information it gathers to remote sites.
SOLUTION
9.700
Trend Micro Mobile Security Solution
Trend Micro Mobile Security Personal Edition protects Android smartphones and tablets from malicious and Trojanized applications. The App Scanner is free and detects malicious and Trojanized apps as they are downloaded, while SmartSurfing blocks malicious websites using your device's Android browser.
Download and install the Trend Micro Mobile Security App via Google Play.
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