Written in Visual Basic

Released in November 2005

Server:
dropped file:
c:\WINDOWS\wreg.exe
size: 45,056 bytes 

startup:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run "wreg"
data: C:\Windows\wreg.exe 

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RUNSERVICES "wreg"
data: C:\Windows\wreg.exe 

attempts to connect to an IRC Server

tested on Windows XP
November 14, 2005