This attack could pose a serious security threat. You should take immediate action to stop any damage or prevent further damage from happening.
It is a banking trojan that drops different malwares to steal banking information once it has infected the system.
Tatanga is a trojan that is capable of getting hidden inside the system and creates several registry entries under different browsers installed on the system. Then it creates a Man-In-The-Browser attack to steal banking information of customers by using fake certificates.
The following instructions pertain to all current and recent Symantec antivirus products, including the Symantec AntiVirus and Norton AntiVirus product lines.
1. Disable System Restore (Windows Me/XP).
2. Update the virus definitions.
3. Run a full system scan.