|Detected||Jul 12 2008 08:05 GMT|
|Released||Jul 12 2008 11:23 GMT|
|Published||Feb 20 2009 08:34 GMT|
This Trojan downloads other files via the Internet and launches them for execution on the victim machine without the user’s knowledge or consent. It is a Windows PE EXE file. It is 34816 bytes in size. It is not packed in any way. It is written in C++.
Once launched, the Trojan copies its body to the Windows temporary directory as shown below:
In order to ensure the Trojan is launched next time the system is started, it creates a service called “HTTP SSH”:
[HKLM\SYSTEM\CurrentControlSet\Services\HTTP SSH] "DisplayName" = "HTTP SSH" "ErrorControl" = "0" "ImagePath" = "%Temp%\msdtc.exe" "ObjectName" = "LocalSystem" "Start" = "2" "Type" = "10"
The Trojan downloads a file from the URL shown below:
This file is saved to the Windows temporary directory as shown below:
The downloaded file will then be launched for execution.
At the time of writing, the link was not active.
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:
%Temp%\hbgdown.exe %Temp%\msdtc.exe %Temp%\gbn.exe
Programs classified as Trojan-Downloader download and install new versions of malicious programs, including Trojans and AdWare, on victim computers. Once downloaded from the Internet, the programs are launched or included on a list of programs which will run automatically when the operating system boots up.
Information about the names and locations of the programs which are downloaded are in the Trojan code, or are downloaded by the Trojan from an Internet resource (usually a web page).
This type of malicious program is frequently used in the initial infection of visitors to websites which contain exploits.