Written in Delphi

Released in November 2005

Made in China

more versions

Server:
dropped file:
c:\WINNT\system32\ZRundlll.exe
size: 298,609 bytes 

port: 4778 TCP

added to registry:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\WinOldApp
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\ZRundlll
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ZRundlll\Security

tested on win2000
October 18, 2005