Site de Symantec ( Norton) :
http://securityresponse.symantec.com/avcenter/venc/data/w32.kwbot.worm.html
Leurs instructions :
1. Update the virus definitions, restart in Safe mode, and run a full system scan. Delete all files that Norton AntiVirus detects as W32.Kwbot.Worm.
2. Delete the value
Windows Explorer Update Build 1142
from the following registry keys:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Curr
entVersion\Run
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Curr
entVersion\RunServices