Some Mobile Viruses-Affects Symbian System

Below are some mobile phone viruses

• Cabir.A: found on- June 2004, Spreaded over Bluetooth.Doesn't damaged the mobile. For more info:
  http://www.fsecure.com/v-descs/cabir.shtml
• Skulls.A: found on- Nov 2004, Spreaded over Internet download.It blocks the mobile phone all facilities except making and receiving calls. For more info:
  http://www.fsecure.com/v-descs/skulls.shtml
• Commwarrior:found on- Jan 2005,  Spreaded over Bluetooth and MMS, Made users to pay more bills by sending Large content of MMS to all contacts in the Phonebook memory. For more info:http://www.fsecure.com/v-descs/commwarrior.shtml
• Locknut.B:found on-Mar 2005, Spreaded over Internet download, its purpose is to damage system files of the phone and also adds up other malwares. For more info:
  http://www.fsecure.com/v-descs/locknut_b.shtml
  
• Fontal.A:found on-April 2005, Spreaded over Internet download, this virus blocks up the system files when the phone gets switched on and makes phone unstable. For more info:
  http://www.fsecure.com/v-descs/fontal_a.shtml