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(TROJ_DROP.SMFU, Gen:Variant.Kates.2, TROJ_BLYAME.SMEP, Trojan.Win32.Inject.1, TR/PWS.Kates.AE.11, Trojan:Win32/Bamital.E, Trojan.Win32.Bamital.G (v), Trojan.Win32.Agent.edco, TR/Dropper.Gen2, BackDoor-DKI.gen.cb, Trojan.PWS.Kates.AE, BackDoor-DKI.gen.cj)

Added to the Dr.Web virus database: 2010-05-23

Virus description added:

A family of banking Trojans written in Assembly. They are small in size (about 20 KB) and can also be distributed under the following names: Tinba (Tiny Banker), TR/Dldr.Small.251, Win32/Tinba.AA, Trojan-Spy.Win32.SpyEyes.afkc.

A Trojan, belonging to this family, injects the malicious code into the copy of winver.exe and then looks for the explorer.exe process to infect it (one modification of these Trojans can infect all running processes). Then the Trojan modifies Internet connection settings to monitor traffic over HTTPS. The malware saves the following files on a disk:

  • C:\Documents and Settings\All Users\Application Data\default\bin.exe
  • C:\Documents and Settings\admin\Application Data\default\web.dat
  • C:\Documents and Settings\admin\Application Data\default\cfg.dat

The Trojan modifies the registry to ensure its autorun on system startup. If Firefox is installed on the infected computer, the malicious program saves the C:\Documents and Settings\(Username)\Application Data\Mozilla\Firefox\Profiles\(Profile Name)\user.js script that disables security alerts.

The main purpose of this program is to monitor network traffic and intercept confidential information (including banking information) that the Trojan forwards to remote command and control servers run by cybercriminals.

Curing recommendations

  1. If the operating system (OS) can be loaded (either normally or in safe mode), download Dr.Web Security Space and run a full scan of your computer and removable media you use. More about Dr.Web Security Space.
  2. If you cannot boot the OS, change the BIOS settings to boot your system from a CD or USB drive. Download the image of the emergency system repair disk Dr.Web® LiveDisk , mount it on a USB drive or burn it to a CD/DVD. After booting up with this media, run a full scan and cure all the detected threats.
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After booting up, run a full scan of all disk partitions with Dr.Web Anti-virus for Linux.

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  1. If the mobile device is operating normally, download and install Dr.Web for Android. Run a full system scan and follow recommendations to neutralize the detected threats.
  2. If the mobile device has been locked by Android.Locker ransomware (the message on the screen tells you that you have broken some law or demands a set ransom amount; or you will see some other announcement that prevents you from using the handheld normally), do the following:
    • Load your smartphone or tablet in the safe mode (depending on the operating system version and specifications of the particular mobile device involved, this procedure can be performed in various ways; seek clarification from the user guide that was shipped with the device, or contact its manufacturer);
    • Once you have activated safe mode, install the Dr.Web for Android onto the infected handheld and run a full scan of the system; follow the steps recommended for neutralizing the threats that have been detected;
    • Switch off your device and turn it on as normal.

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