1. /
  2. Security Response/
  3. W32.HLLP.Kindal@mm


Risk Level 2: Low

February 13, 2003
February 13, 2007 12:04:35 PM
Also Known As:
W32/Kindal@MM [McAfee], WORM_KINDAL.A [Trend], W32/Kindal-A [Sophos], Win32.Kindal [CA], I-Worm.Kindal [KAV]
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

W32.HLLP.Kindal@mm is a mass-mailing worm that does the following:
  • Uses its own SMTP engine to send itself to all the contacts in the Windows Address Book.
  • Attempts to spread itself through the KaZaA, Overnet, LimeWire, and Morpheus file-sharing networks.
  • Makes copies of itself to the shared folders of the aforementioned file-sharing networks
  • Prepends its viral code to the randomly chosen .exe or .scr files in the shared folders.

This threat is compressed with UPX.

Antivirus Protection Dates

  • Initial Rapid Release version February 14, 2003
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version February 14, 2003
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date February 19, 2003
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment


  • Wild Level: Low
  • Number of Infections: 50 - 999
  • Number of Sites: More than 10
  • Geographical Distribution: Low
  • Threat Containment: Easy
  • Removal: Moderate


  • Damage Level: Medium


  • Distribution Level: High
Note: On May 14, 2015, modifications will be made to the threat write-ups to streamline the content. The Threat Assessment section will no longer be published as this section is no longer relevant to today's threat landscape. The Risk Level will continue to be the main threat risk assessment indicator.
Writeup By: Yana Liu

Search Threats

Search by name
Example: W32.Beagle.AG@mm
STAR Antimalware Protection Technologies
Internet Security Threat Report