Servers can be compromised by installing infected chat scripts that also contain a file called "cool_crash.html" in the WWW directory. Installing the software then cause the server to also install the file to the main directory of the web server. Upon visting a compromised URL the trojan will activate.
There are also modified versions of this trojan that will immediately spawn unlimited popups when the site loads causing the computer to freeze or crash after some seconds.
The trojan did not widely spread since antiviruses had their databases updated and began to detect the file, however there are still some compromised forums/chats online.
http://workupload.com/file/z9RWDkH (Infected chat software containing the file, for research purposes only.)
http://5rub.ucoz.ru/cool_crash.html (Compromised Russian sports forum)