Symbian Worm on the loose


 FortiGuard Global Security Research Team discovered a new SymbianOS Worm actively spreading on various mobile phone networks. The worm, deemed SymbOS/Beselo.A!worm is able to run on several Symbian S60 enabled devices. These devices include, but may not be limited to, Nokia 6600, 6630, 6680, 7610, N70 and N72 phones.After an installation phase, the worm engages in a propagation routine: phone numbers located in the contact list of the devices are harvested, and targeted by viral MMS carrying a SIS-packed (Symbian Installation Source) version of the worm. However, the SIS file does not bear a .sis file extension — rather, it is disguised as a multimedia file with an evocative name: either Beauty.jpg, Sex.mp3 or Love.rm.  

Users may know they have been infected if they see unrecognized sent messages in their MMS outboxes. FortiClient Mobile automatically detects and removes the Beselo worm. For users without FortiClient Mobile who believe they may be infected, please contact your mobile carrier or phone manufacturer for technical support in manually removing the virus.

[Source: About Worm]

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