SymbOS.Skulls.H - Removal

Risk Level 1: Very Low

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Discovered: March 30, 2005
Updated: February 13, 2007 12:36:04 PM
Type: Trojan Horse
Systems Affected: EPOC


Removal instructions for hand held devices:

  1. Install a file manager program on the device.

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

  3. Delete the malicious .aif files:

    \System\Apps\pjBLUE\pjBLUE.aif
    \System\Apps\nokiafile\nokiafile.aif
    \System\Apps\FSCaller\FSCaller.aif

  4. Delete the following files:

    \System\RECOGS\YYSBootRec.mdl
    \System\RECOGS\$$$.MDL
    \System\MALAYSIAJOHOR--jb\yuanV3-diy-by-7022207\free$8.RSC
    \System\MALAYSIAJOHOR--jb\yuanV3-diy-by-7022207\free$8.APP
    \System\Apps\pjBLUE\pjBLUE_CAPTION.rsC
    \System\Apps\pjBLUE\pjBLUE.APP
    \System\Apps\nokiafile\nokiafile_caption.rsc
    \System\Apps\nokiafile\nokiafile.rsc
    \System\Apps\nokiafile\nokiafile.app
    \System\Apps\nokiafile\img.mbm
    \System\Apps\nokiafile\data.cfg
    \System\Apps\nokiaapps\nokiaapps_CAPTION.rsC
    \System\Apps\nokiaapps\nokiaapps.app
    \System\Apps\FSCaller\pixel.mbm
    \System\Apps\FSCaller\FSCaller_Caption.rsc
    \System\Apps\FSCaller\FSCaller.rsc
    \System\Apps\FSCaller\FSCaller.mbm
    \System\Apps\FSCaller\FSCaller.app
    \System\Apps\FSCaller\CAMERASERVER.DLL
    \System\Apps\FSCaller\camera1.dll
    \System\Apps\FSCaller\camera0.dll
    \System\Apps\data\data_CAPTION.rsC
    \System\Apps\data\data.app
    \System\Apps\bootdata\bootdata_CAPTION.rsC
    \System\Apps\bootdata\bootdata.app
    \nokia\images\nokias\malaysia\johor\pj\pj\pj\jb\jb\jb\imos\yuan\yuan\yuanyuan\blue\a-team\terence\ownpda\Thumbs.db
    \nokia\images\nokias\malaysia\johor\pj\pj\pj\jb\jb\jb\imos\yuan\yuan\yuanyuan\blue\a-team\terence\ownpda\fuyuan.gif
    \System\Apps\gavno.d\gavno.d_caption.rsc
    \System\Apps\gavno.d\gavno.d.rsc
    \System\Apps\gavno.d\gavno.d.app
    \System\Apps\freakbtui\freakbtui.app
    \System\Apps\freakappctrl\freakappctrl.app

  5. Exit the file manager.


Writeup By: Eric Chien
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