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SymbOS.Cabir.W

Risk Level 1: Very Low

Discovered:
December 15, 2005
Updated:
February 13, 2007 12:50:00 PM
Type:
Worm
Systems Affected:
EPOC


SymbOS.Cabir.W is minor variant of SymbOS.Cabir. This worm also spreads through Bluetooth-enabled devices running the Symbian OS, which is used as the operating system for Nokia Series 60 cellular telephones.

The worm arrives on a Bluetooth-enabled device as the file inbox.sis.

It may also be dropped by SymbOS.Cardtrp.M as the file Norton Antivirus symbian V1.0.SIS.





Symantec recommends the following to protect against this threat:
  • If Bluetooth is not required, it should be turned off.
  • If you require the use of Bluetooth, ensure that the device's visibility setting is set to "Hidden" so that it can not be scanned by other Bluetooth devices.
  • 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.

Antivirus Protection Dates

  • Initial Rapid Release version December 15, 2005
  • Latest Rapid Release version August 20, 2008 revision 017
  • Initial Daily Certified version December 15, 2005
  • Latest Daily Certified version August 20, 2008 revision 016
  • Initial Weekly Certified release date December 21, 2005
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

  • Wild Level: Low
  • Number of Infections: 0 - 49
  • Number of Sites: 0 - 2
  • Geographical Distribution: Low
  • Threat Containment: Easy
  • Removal: Easy

Damage

  • Damage Level: Low

Distribution

  • Distribution Level: Low
Writeup By: Yana Liu

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