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SymbOS/Skulls.I - Released Aug 04, 2006 - Last Updated Jun 21, 2007

Alias/es

Trojan.SymbOS.Skuller.g(KAV), SymbOS/Skulls.ap!sis trojan(McAfee), SymbOS/Skulls.I!tr

Detection Availability

Active DatabaseExtended Database
FortiGate
low
high
FortiClient
FortiMail N/A

Visible Symptoms

  • The following processes exist:
    • free $ 8
    • yuanV4

    • Detailed Analysis

  • This is a Symbian virus, packed in SIS format.

  • When installed, it drops the following files to block access to the corresponding normal applications:
    • !:\system\apps\PocketDictionary\translation
    • !:\system\apps\PocketDictionary\PocketDictionary_caption.rsc
    • !:\system\apps\PocketDictionary\PocketDictionary.rsc
    • !:\system\apps\PocketDictionary\PocketDictionary.mbm
    • !:\system\apps\PocketDictionary\PocketDictionary.app
    • !:\system\apps\PocketDictionary\PocketDictionary.aif
    • !:\system\apps\PocketDictionary\index
  • Also drops the following:
    • !:\system\malaysiajohor--jb\yuanv3-diy-by-7022207\free$8.app : detected as SymbOS/Cabir.A!worm
    • !:\system\apps\nokiaapps\nokiaapps.app : detected as SymbOS/Skulls.F!worm

    • Recommended Action

  • Delete all the dropped files using a file manager program.

    • Reference: ID - 49749