This detection is for a worm, which exploits the MS08-067 vulnerability in Microsoft Windows Server Service which may allow for remote code execution. This flaw lies in the improper handling of specially-crafted (malicious) RPC requests and was patched on October 23, 2008.
Aliases
Net-Worm.Win32.Kido.js [Kaspersky]
W32.Downadup.E [Symantec)]
W32/Confick-D [Sophos]
Worm:Win32/Conficker.D [Microsoft]
Worm:Win32/Conficker.gen [Ikarus]
WORM_DOWNAD.E [Trend]
Removal
A combination of the latest DATs and the Engine will be able to detect and remove this threat. We recommend users not to trust seemingly familiar or safe file icons, particularly when received via P2P clients, IRC, email or other media where users can share files.