SymbOS.Doomboot.A - Removal

Risk Level 1: Very Low

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Discovered: July 7, 2005
Updated: February 13, 2007 12:41:52 PM
Also Known As: Doomboot.A [F-Secure], SYMBOS_DOOMED.A [Trend Micro]
Type: Trojan Horse
Systems Affected: EPOC



  1. Install a file manager program on the device.

  2. Enable the option to view the files in the system folder.

  3. Delete the following malicious:

    • C:\Etel.dll
    • C:\etelmm.dll
    • C:\etelpckt.dll
    • C:\etelsat.dll
    • COMMWARRIOR.B.SIS

  4. Exit the file manager.


Writeup By: Robert X Wang
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