This Trojan program infects mobile phones running Symbian. Any mobile running Symbian is potentially vulnerable.
The Trojan itself is an SIS file, usually called 'extendedtheme.sis', although it may have a different name. The file is 1,192,117 bytes in size.
The Trojan was distributed via a range of mobile phone forums. It was presented as a program with new icons, new wallpaper etc.
During installation, the Trojan creates the following information and application files:
- .\System\Apps\About\About.aif
- .\System\Apps\About\About.app
- .\System\Apps\AppInst\AppInst.aif
- .\System\Apps\AppInst\Appinst.app
- .\System\Apps\AppMngr\AppMngr.aif
- .\System\Apps\AppMngr\Appmngr.app
- .\System\Apps\Autolock\Autolock.aif
- .\System\Apps\Autolock\Autolock.app
- .\System\Apps\Browser\Browser.aif
- .\System\Apps\Browser\Browser.app
- .\System\Apps\BtUi\BtUi.aif
- .\System\Apps\BtUi\BtUi.app
- .\System\Apps\bva\bva.aif
- .\System\Apps\bva\bva.app
- .\System\Apps\Calcsoft\Calcsoft.aif
- .\System\Apps\Calcsoft\Calcsoft.app
- .\System\Apps\Calendar\Calendar.aif
- .\System\Apps\Calendar\Calendar.app
- .\System\Apps\Camcorder\Camcorder.aif
- .\System\Apps\Camcorder\Camcorder.app
- .\System\Apps\CbsUiApp\CbsUiApp.aif
- .\System\Apps\CbsUiApp\CbsUiApp.app
- .\System\Apps\CERTSAVER\CERTSAVER.aif
- .\System\Apps\CERTSAVER\CERTSAVER.APP
- .\System\Apps\Chat\Chat.aif
- .\System\Apps\Chat\Chat.app
- .\System\Apps\ClockApp\ClockApp.aif
- .\System\Apps\ClockApp\ClockApp.app
- .\System\Apps\CodViewer\CodViewer.aif
- .\System\Apps\CodViewer\CodViewer.app
- .\System\Apps\ConnectionMonitorUi\ConnectionMonitorUi.aif
- .\System\Apps\ConnectionMonitorUi\ConnectionMonitorUi.app
- .\System\Apps\Converter\Converter.aif
- .\System\Apps\Converter\converter.app
- .\System\Apps\cshelp\cshelp.aif
- .\System\Apps\cshelp\cshelp.app
- .\System\Apps\DdViewer\DdViewer.aif
- .\System\Apps\DdViewer\DdViewer.app
- .\System\Apps\Dictionary\Dictionary.aif
- .\System\Apps\Dictionary\dictionary.app
- .\System\Apps\FileManager\FileManager.aif
- .\System\Apps\FileManager\FileManager.app
- .\System\Apps\GS\GS.aif
- .\System\Apps\GS\gs.app
- .\System\Apps\ImageViewer\ImageViewer.aif
- .\System\Apps\ImageViewer\ImageViewer.app
- .\System\Apps\location\location.aif
- .\System\Apps\location\location.app
- .\System\Apps\Logs\Logs.aif
- .\System\Apps\Logs\Logs.app
- .\System\Apps\mce\mce.aif
- .\System\Apps\mce\mce.app
- .\System\Apps\MediaGallery\MediaGallery.aif
- .\System\Apps\MediaGallery\MediaGallery.app
- .\System\Apps\MediaPlayer\MediaPlayer.aif
- .\System\Apps\MediaPlayer\MediaPlayer.app
- .\System\Apps\MediaSettings\MediaSettings.aif
- .\System\Apps\MediaSettings\MediaSettings.app
- .\System\Apps\Menu\Menu.aif
- .\System\Apps\Menu\Menu.app
- .\System\Apps\mmcapp\mmcapp.aif
- .\System\Apps\mmcapp\mmcapp.app
- .\System\Apps\MMM\MMM.app
- .\System\Apps\MmsEditor\MmsEditor.aif
- .\System\Apps\MmsEditor\MmsEditor.app
- .\System\Apps\MmsViewer\MmsViewer.aif
- .\System\Apps\MmsViewer\MmsViewer.app
- .\System\Apps\MsgMailEditor\MsgMailEditor.aif
- .\System\Apps\MsgMailEditor\MsgMailEditor.app
- .\System\Apps\MsgMailViewer\MsgMailViewer.aif
- .\System\Apps\MsgMailViewer\MsgMailViewer.app
- .\System\Apps\MusicPlayer\MusicPlayer.aif
- .\System\Apps\MusicPlayer\MusicPlayer.app
- .\System\Apps\Notepad\Notepad.aif
- .\System\Apps\Notepad\Notepad.app
- .\System\Apps\NpdViewer\NpdViewer.aif
- .\System\Apps\NpdViewer\NpdViewer.app
- .\System\Apps\NSmlDMSync\NSmlDMSync.aif
- .\System\Apps\NSmlDMSync\NSmlDMSync.app
- .\System\Apps\NSmlDSSync\NSmlDSSync.aif
- .\System\Apps\NSmlDSSync\NSmlDSSync.app
- .\System\Apps\Phone\Phone.aif
- .\System\Apps\Phone\Phone.app
- .\System\Apps\Phonebook\Phonebook.aif
- .\System\Apps\Phonebook\Phonebook.app
- .\System\Apps\Pinboard\Pinboard.aif
- .\System\Apps\Pinboard\Pinboard.app
- .\System\Apps\PRESENCE\PRESENCE.aif
- .\System\Apps\PRESENCE\PRESENCE.APP
- .\System\Apps\ProfileApp\ProfileApp.aif
- .\System\Apps\ProfileApp\profileapp.app
- .\System\Apps\ProvisioningCx\ProvisioningCx.aif
- .\System\Apps\ProvisioningCx\ProvisioningCx.app
- .\System\Apps\PSLN\PSLN.aif
- .\System\Apps\PSLN\PSLN.app
- .\System\Apps\PushViewer\PushViewer.aif
- .\System\Apps\PushViewer\PushViewer.app
- .\System\Apps\Satui\Satui.aif
- .\System\Apps\Satui\Satui.app
- .\System\Apps\SchemeApp\SchemeApp.aif
- .\System\Apps\SchemeApp\SchemeApp.app
- .\System\Apps\ScreenSaver\ScreenSaver.aif
- .\System\Apps\ScreenSaver\ScreenSaver.app
- .\System\Apps\Sdn\Sdn.aif
- .\System\Apps\Sdn\Sdn.app
- .\System\Apps\SimDirectory\SimDirectory.aif
- .\System\Apps\SimDirectory\SimDirectory.app
- .\System\Apps\SmsEditor\SmsEditor.aif
- .\System\Apps\SmsEditor\SmsEditor.app
- .\System\Apps\SmsViewer\SmsViewer.aif
- .\System\Apps\SmsViewer\SmsViewer.app
- .\System\Apps\Speeddial\Speeddial.aif
- .\System\Apps\Speeddial\Speeddial.app
- .\System\Apps\Startup\Startup.aif
- .\System\Apps\Startup\Startup.app
- .\System\Apps\SysAp\SysAp.aif
- .\System\Apps\SysAp\SysAp.app
- .\System\Apps\ToDo\ToDo.aif
- .\System\Apps\ToDo\ToDo.app
- .\System\Apps\Ussd\Ussd.aif
- .\System\Apps\Ussd\Ussd.app
- .\System\Apps\VCommand\VCommand.aif
- .\System\Apps\VCommand\VCommand.app
- .\System\Apps\Vm\Vm.aif
- .\System\Apps\Vm\Vm.app
- .\System\Apps\Voicerecorder\Voicerecorder.aif
- .\System\Apps\Voicerecorder\Voicerecorder.app
- .\System\Apps\WALLETAVMGMT\WALLETAVMGMT.aif
- .\System\Apps\WALLETAVMGMT\WALLETAVMGMT.APP
- .\System\Apps\WALLETAVOTA\WALLETAVOTA.aif
- .\System\Apps\WALLETAVOTA\WALLETAVOTA.APP
It also creates the files listed below:
- .\System\Libs\licencemanager20s.dll
- .\System\Libs\lmpro.r01
- .\System\Libs\lmpro.r02
- .\System\Libs\notification.cmd
- .\System\Libs\softwarecopier200.dll
- .\System\Libs\ZLIB.DLL
The application files created by the Trojan program are standard application files for the Symbian platform and do not contain any malicious code. The .aif files, however, are malicious; these create skull icons and block access to the application for which the skulls act as an icon.
All the applications on the telephone will cease to function. Once a telephone has been infected it can only be used to make calls; SMS, MMS, camera, organiser functions etc. will no longer work.
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