Trojan:SymbOS/Cardtrap.AF tries to disable system applications and third party products, and also installs additional malware onto the device.
F-Secure Mobile Anti-Virus is capable of detecting Cardtrap.AF with generic detection, so if the phone has functional Anti-Virus installed, Cardtrap.AF is blocked before it can be installed.
Use the F-Skulls utility to allow for installation of F-Secure Mobile Anti-Virus. Download the F-Skulls tool from ftp://ftp.f-secure.com/anti-virus/tools/f-skulls.zip or directly to a clean phone from https://www.f-secure.com/tools/f-skulls.sis.
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 detection database 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.
Trojan:SymbOS/Cardtrap.AF affects devices running the Symbian S60 operating system. It is distributed in a malicious SIS file named 'BlueSoft Hacking Pro.sis' and when executed, tries to disable system applications and third party products. It also installs additional malware onto the device.
On execution, Cardtrap.AF tries to disable key system applications and third party products by installing several damaged files to the phone memory.
Cardtrap.AFalso installs files from the following Symbian-based malware:
It also installs following Windows malware:
to the phone's MultiMedia (MMC) card. The worm is installed with a filename, icon and shortcut link that tries to fool the user into clicking on them.