Sickbt is a trojan that usually arrives as an attachment to spammed e-mail messages. Once executed, the parasite silently installs itself to the system. Then it attempts to contact predefined web servers in order to download and execute arbitrary files on the compromised computer.
sysldr.dll
HKEY_CLASSES_ROOTCLSID(D91E2022-582F-4833-97C5-91BDFF2CB397)HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionShellServiceObjectDelayLoadsysldr