Written in Visual Basic

Released in January 2008

more versions

Server:
Dropped Files:
c:\WINDOWS\system32\explorer.exe
Size: 180,224 bytes  

Startup:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run "SystemDriver.exe"
Data: C:\WINDOWS\system32\explorer.exe 

Tested on Windows XP
February 14, 2008