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1/11: Symbos_Vlasco-B Virus Hits Bluetooth

1/11: Symbos_Vlasco-B Virus Hits Bluetooth
January 11, 2005

Symbos_Vlasco-B is a variant of Symbos_Vlasco.A and affects Series 60 mobile phones. It usually arrives as an installation file named VELASCO.SIS and can be downloaded from a Web page or received via Bluetooth.

It spreads via Bluetooth-enabled Series 60 mobile phones. It arrives as an .SIS file, which is usually utilized for easy installation. When a mobile phone receives this file via Bluetooth, a series of messages warn the user of the possilbe malicious nature of the file.

As a general rule, users are advised to avoid installing files received from unkown or unstrusted sources.

An infected mobile phone continuously searches for other Bluetooth-enabled devices with unlimited Inquiry Access Code (IAC) and attempts to send a message with the file VELASCO.SIS. Affected users may disable Bluetooth connections to prevent this malware from spreading from their mobile phones.

This malware affects the following models of mobile phones:

  • Nokia 3600
  • Nokia 3620
  • Nokia 3650
  • Nokia 3660
  • Nokia 6600
  • Nokia 6620
  • Nokia 7610
  • Nokia 7650
  • Nokia N-Gage
  • Panasonic X700
  • Sendo X
  • Siemens SX1

    Technical details can be found at Trend Micro page.

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