• W32.Yaha aka Yaha - Lentin: a mass-mailing worm that sends itself using SMTP to all email addresses that exist on the local system. F.i. Microsoft Windows Address Book, MSN Messenger List, Yahoo Pager list, ICQ list and files with extensions ht*.
  Check out the Latest Worms page.

F-Secure
McAfee
Symantec
Trend Micro

• VBS.VBSWG.AQ aka Shakira: a VBScript threat that send itself to users of Microsoft Outlook or IRC as 'ShakiraPics.jpg.vbs'. It will overwrite '.vbs' and '.vbe' files with its own code.
  Attachment name: ShakiraPics.jpg.vbs
  Check out the Latest Worms page

F-Secure
Sophos
Symantec