Home→Descriptions→Trojan-Downloader.Win32.Agent.bl
| Detected | Aug 08 2006 14:40 GMT |
| Released | Aug 09 2008 15:36 GMT |
| Published | Aug 08 2006 14:40 GMT |
This Trojan program downloads files via the Internet without the user's knowledge or consent.
The Trojan itself is a Windows PE EXE file; this size of this file may vary from 1KB to 9KB.
Once launched, the Trojan waits for the victim machine to connect to the Internet. It then attempts to download a file from http://www.onlyy.net/***/111.dat (at the time of writing, this site was not functioning) and save it to the following file:
C:\ntldr.pif
This file will then be launched for execution.
The URL may vary depending on the Trojan version.
C:\ntldr.pif
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.
Trojan-Downloader.