Trojan-Downloader.Win32.Small.eff

tag:Trojan   Downloaders  

Once launched, the Trojan creates the following registry keys in order to save its data:

[HKLM\Software\Microsoft\Direct3D\dinput\update]
"SetupId"="50077"

[HKLM\Software\Microsoft\Direct3D\dinput\update\Score]

[HKLM\Software\Microsoft\Direct3D\dinput\update\StartTime]

[HKLM\Software\Microsoft\Direct3D\dinput\update\Version]

It then attempts to download a file from one of the following addresses:

http://setup1.*****com/barbindsoft/barsetup.exe
http://setup2.*****com/barbindsoft/barsetup.exe
http://setup3.*****com/barbindsoft/barsetup.exe
http://setup4.*****com/barbindsoft/barsetup.exe

This file will be saved to the current user's temporary directory as

If your computer does not have an up-to-date antivirus, or does not have an antivirus solution at all, follow the instructions below to delete the malicious program:

  1. Delete the original Trojan file (the location will depend on how the program originally penetrated the victim machine) if it has not deleted itself.
  2. Delete the following file: %Temp%\temp.exe
  3. Delete the following system registry keys: (see What is a system registry and how do I use it for details on how to edit the registry).
    [HKLM\Software\Microsoft\Direct3D\dinput\update]
    "SetupId"="50077"
    
    [HKLM\Software\Microsoft\Direct3D\dinput\update\Score]
    
    [HKLM\Software\Microsoft\Direct3D\dinput\update\StartTime]
    
    [HKLM\Software\Microsoft\Direct3D\dinput\update\Version]
  4. Update your antivirus databases and perform a full scan of the computer (download a trial version of Kaspersky Anti-Virus).

This Trojan downloads other programs via the Internet and launches them on the victim machine without the user’s knowledge or consent. It is a Windows PE EXE file. The file is 24,576 bytes in size. It is written in C .

Payload

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