Troj/CWS-D is a dropper Trojan for the Windows platform.
Troj/CWS-D will drop and register a DLL file named IETLBASS.DLL, detected as Troj/CWS-C.
Troj/CWS-D will then set the following registry entries:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run\AddClass
HKCU\Software\Microsoft\Windows\CurrentVersion\Run\MSMsgSvc
HKLM\Software\Microsoft\Internet Explorer\Main\MSMsgSvc
For further information, see Troj/CWS-C.