Symbian trojan that locks your mobile phones MMC card

Posted by admin on 5/Jun/2009 in Trojans | 0 comments

F-Secure have a post that goes back nearly four years outlining the first known trojan to attack phones MMC card. SymbOS/Cardblock.A is a Symbian trojan that used a phones MMC card in trying to get users PC infected with Win32 malware, but Cardblock.A is the first one that actually attacks the MMC card itself.

It was and still is capable of deleting system directories and destroying information about installed applications, users MMS and SMS messages, phone numbers stored on the phone and other critical system data. It means that user loses access to applications he or she has installed into the phone including the phone number and other important data.