Cardtrap.K is Symbian SIS file trojan that disables several Symbian built in applications, tries to damage
several anti-virus applications, and installs several Windows viruses worms and trojans to memory card.
The Windows malware installed to memory card is installed with icons, batch files and short cut links,
that try to fool user to execute a malicous file when he is trying to investigate the card contents.
1. Install F-Skulls.sis into infected phones memory card with a clean phone
2. Put the memory card with F-Skulls into infected phone
3. The F-Skulls starts automatically upon insertion and frees menu and application manager
4. Go to application manager and uninstall the SIS file in which you installed the Cardtrap.K
5. Download and install F-Secure Mobile Anti-Virus to remove other malware dropped by the Cardtrap.K
http://www.f-secure.com/wireless/download/
or with mobile itself
http://mobile.f-secure.com
6. Remove the F-Skulls with application manager as the phone is now cleaned
Cardtrap.K installs several damaged files to phone memory to disable key system applications and anti-virus products.
Cardtrap.K disables following system applications:
Application manager
Application installer
MMS and SMS messaging inbox
F-Secure Mobile Anti-Virus is capable of detecting Cardtrap.K with generic detection, so if phone has functional Anti-Virus
installed the Cardtrap.K is blocked before it can be installed.