BadTrans by Vipera discovered on 11/2001
HappyTime by Vipera discovered on 04/2001
W32.Opaserv.Worm by HappyCactus discovered on 09/2002
JS.Seeker by E. Gatto discovered on 12/2000
Magistr by marcolfa discovered on 03/2001 (ver. a) 09/2001 (ver. b)
OutlookPDFWorm by Vipera discovered on 08/2001
Randex family by Vipera discovered on "all weeks"