SymbOS.Skulls.O is a Trojan horsethat runs on the Symbian OS, which is used as the operating system for Nokia Series 60 cellular telephones. It disables several applications installed on the device, and also installs malware onto the compromised device.
SymbOS.Skulls.O reportedly arrives as Space_Cadet_Pinball-Created_by-JoN.sis.
Symantec recommends the following to protect against this threat:
- Avoid use of device pairing. If it must be used, ensure that all paired devices are set to "Unauthorized". This requires each connection request to be authorized by the user.
- Do not accept unsigned applications (no digital signature) or applications sent from unknown sources. Be absolutely sure of the origin of the application before accepting it.
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