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Trojan:SymbOS/Fontal.G

First posted on 12 July 2010.
Source: SecurityHome

Aliases :

There are no other names known for Trojan:SymbOS/Fontal.G.

Explanation :

Also known as a trojan horse program, this is a deceptive program that performs additional actions without the user's knowledge or permission. It does not replicate.

Additional DetailsTrojan:SymbOS/Fontal.G is distributed in a malicious SIS file named 'Nokia Anti-Virus.sis' and claims to be Nokia Anti-Virus for Symbian devices. During installation, Fontal.G will show the following installation text:

Nokia Anti-Virus keep your phone protected from mobile virus. Please restart your phone after installation complete to activate your anti-virus product. If you found any problem regarding this software, please call :

If a phone is infected with Fontal.G, it must not be rebooted as the trojan will prevent the phone from booting again. If the phone is rebooted, it will try to boot, but will be forever stuck on phone startup and cannot be used.


Execution

When the Fontal.G SIS file is installed the installer copies files into following locations:

€ \system\apps\KAS € \system\apps\KAS\b.dat € \system\apps\KAS\Engine.exe € \system\apps\KAS\KAS € \system\apps\KAS\KaS.aif € \system\apps\KAS\KAS.r01 € \system\apps\KAS\KAS_caption.r01 € \system\apps\KAS\klnotify.rsc € \system\apps\KAS\limages.mbm € \system\apps\KAS\lnotify.app € \system\apps\KAS\lnotify.mbm € \system\apps\KAS\s.mid € \system\help\KasAntivirusHelp.hlp € \system\libs\kasdll.dll € \system\recogs\kas_antivirus.mdl € \system\Fonts\Kaspersky

Last update 12 July 2010

 

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