W32.HLLW.Lavits

Risk Level 1: Very Low

Discovered:
June 4, 2003
Updated:
February 13, 2007 12:02:01 PM
Also Known As:
W32.HLLW.Xolox@mm
Type:
Worm
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

W32.HLLW.Lavits is a worm that attempts to spread across the KaZaA file-sharing network. This worm also uses Microsoft Outlook to send email to all the contacts in the Microsoft Outlook Address Book. When W32.HLLW.Lavits is run, it will display a fake message with the message title "Application Error."

The email does not have an attachment. The email messages have the following characteristics:

Subject: Where are you?
Message Body:
Hi!
Where are you?,I enjoy speaking with you :)
Simdi icinden buda kim diyorsundur :)

W32.HLLW.Lavits is written in Visual Basic (VB) and is packed with UPX.

NOTE: Definitions dated prior to June 6, 2003 may detect this threat as W32.HLLW.Xolox@mm.





Security Response could not successfully reproduce the mass-mailing routine in a controlled laboratory environment. The worm did not attach itself to any outgoing emails.

Antivirus Protection Dates

  • Initial Rapid Release version June 5, 2003
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version June 5, 2003
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date June 5, 2003
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

  • Wild Level: Low
  • Number of Infections: 0 - 49
  • Number of Sites: 0 - 2
  • Geographical Distribution: Low
  • Threat Containment: Easy
  • Removal: Moderate

Damage

  • Damage Level: Low

Distribution

  • Distribution Level: Medium
Writeup By: Scott Gettis

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