Summary
Trojan:Android/DroidKungFu.C forwards confidential details to a remote server.
Removal
You can set the F-Secure app to scan your device for viruses and other threats automatically. Once the app has completed its scan of the files on your device, you may assess any detected file or files and opt to remove it.
Monitoring-Tool:Android/DroidKungFu.C can be uninstalled by following the steps below:
Go to Settings
Go to Applications
Go to Manage Applications
Select the application
Press "Clear data"
Press "Uninstall"
Select "OK" when asked for confirmation and wait
A False Positive is when a file is incorrectly detected as harmful, usually because its code or behavior resembles known harmful programs. A False Positive will usually be fixed in a subsequent database update without any action needed on your part. If you wish, you may also:
Check for the latest database updates
First, check if your F-Secure security program is using the latest updates, then try scanning the file again.
Submit a sample
After checking, if you still believe the file is incorrectly detected, you can submit a sample of it for re-analysis.
Note: If the file was moved to quarantine, you need to collect the file from quarantine before you can submit it.
Exclude a file from further scanning
If you are certain that the file is safe and want to continue using it, you can exclude it from further scanning by the F-Secure security product.
Note: You need administrative rights to change the settings.
Technical Details
Trojan:Android/DroidKungFu.C are distributed on unauthorized Android app sites as trojanized versions of legitimate applications.
Installation
Prior to installation, this new variant of the DroidKungFu family requests the following permissions:


Activity
Once installed, DroidKungFu.C attempts to root the phone (gain control of the system) by using exploits, including RageAgainstTheCage. These exploits are stored in the malware package and encrypted with a key.
The trojan also attempts to collect the following information from the compromised device:
- International Mobile Equipment Identity (IMEI)
- Mobile device model
- Network operator
- Network type
- Operating system (OS) APIs
- OS type
- Information stored in the Phone memory
- Information stored in the SD card memory
The collected information is reported to remote command and control (C&C) servers at multiple locations:
- http://[...]search.gongfu-android.com:8511/[...]search/
- http://[...]search.zi18.com:8511/[...]search/
- http://[...]search.zs169.com:8511/[...]search/
More
This trojan was discovered by researchers at the North Carolina State University. For additional information, see:
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