Low threat Level,
High damage capabilities,
Dangers:
Deletes system files.
Degrades performance by opening multiple Control Panel windows, which
can cause system to crash. "Hides" drive C from Windows. Changes
access to executable files.
It compromises security settingsby a random routine that forces the
user to change passwords.


Distinguishing charcteristics:
Subject of email: Microsoft Windows Critical Update.
Name of attachment: Windows Critical Update 088562.exe
Size of attachment: 104,200 bytes

For more information see:
http://www.symantec.com/avcenter/venc/data/w32.gruel@mm.html