Written in C, compressed with UPX

Released in may 2004

more versions

Backdoor.Win32.Loony.g:
dropped file:
c:\WINDOWS\SYSTEM\messenger.exe 

size: 38.432 bytes

startup:
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run "svshost"

Connects to a specified IRC server and joins a channel to listen for commands