|Detected||Mar 20 2005 13:35 GMT|
|Released||Mar 21 2005 23:58 GMT|
|Published||Jul 28 2005 15:31 GMT|
This Trojan downloader is 10963 bytes in size, written in Visual C++ and packed using UPC.
It cannot install inself to the victim machine on its own.
When launched, it downloads other programs - either Trojans or adware - as designated by the remote malicious user. This is achieved by creating a new Internet Explorer process and inserting code into it as a DLL library.
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.