|Detected||Oct 05 2007 05:11 GMT|
|Released||Oct 05 2007 05:11 GMT|
|Published||Jan 21 2008 12:29 GMT|
This malicious program is a Trojan. It is a Windows PE EXE file. It is 12788 bytes in size.
When installing, the Trojan copies its executable file to the Windows system directory:
In order to ensure that it is launched each time the system is started, the Trojan creates a service called "Microsoft security update service".
When launching, the Trojan injects its code into svchost.exe, a system process.
It then registers on the remote malicious user's site by opening the following URL.
The header of the request to the server contains the version of Windows running on the victim machine.
The server responds to the request by sending commands which determine what the Trojan will then do. The commands are as follows:
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:
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.