Written in C & Visual Basic

Released in September 2004

more versions

Server:
dropped file:
c:\WINNT\system32\twunk_16.exe

size: 3.681 bytes

startup:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run "Windows Script Host"
data: C:\WINNT\system32\twunk_16.exe 

tested on Win2000