Written in Visual Basic

Released in July 2008

more versions

Server
Dropped Files:
c:\WINDOWS\system32\Sys32.exe     Size: 131,072 bytes 
c:\WINDOWS\system32\Sys321.exe    Size: 131,072 bytes 


Added to Registry:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System "DisableRegistryTools"
Data: 01, 00, 00, 00 

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System "DisableTaskmgr"
Data: 01, 00, 00, 00 

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run "Update"
Data: C:\WINDOWS\system32\Sys32.exe 


Tested on Windows XP
September 26, 2008