Xombe trojan downloader was sent as an email attachment to a large amount of people on 9th of January 2004. When run, the trojan downloader connects to Internet and downloads and activates another trojan on a victim's computer. UPDATE ON 10TH OF JANUARY 2003 The site used by this trojan (gamemaniacs.org) has now been disabled and this trojan won't be able to function any more.
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Xombe trojan downloader was sent to a large amount of people in the email that looks like that:
When the trojan downloader is run by a user, it connects to Internet and downloads another trojan.
The trojan consists of three components:
This file is the first-stage downloader that comes in email. The only purpose of this program is to fetch the main component of the trojan and plant in on the target system.
This is the main component of the trojan. It is a general-purpose downloader application that is controlled through a certain web page. It can fetch arbitrary files from the Internet and install them on the infected system.
msvchost.exe is installed to the System Directory on the infected computer and added to the registry as [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mssvc] When the trojan was first intercepted the website instructed the clients to download a DLL file.
http_f.dll is an HTTP client which is apparently used to perform a Distibuted Denial-of-Service attack on a website that hosts forums. This file is also dropped to the System Directory, just like the main component.
Description Created: 2006-01-01 08:49:18.0
Description Last Modified: 2006-01-01 00:00:00.0