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- Discovered:
- May 8, 2003
- Updated:
- February 13, 2007 12:01:11 PM
- Also Known As:
- W32/Fizzer@MM [McAfee], Win32.Fizzer [CA], W32/Fizzer-A [Sophos], WORM_FIZZER.A [Trend], Fizzer [F-Secure], Win32/Fizzer.A@mm [RAV], I-Worm.Fizzer [KAV]
- Type:
- Worm
- Systems Affected:
- Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP
The W32.HLLW.Fizzer@mm:
- Is a mass-mailing worm that sends itself to all the contacts in the Windows Address Book.
- Contains a backdoor capability that uses mIRC to communicate with a remote attacker.
- Also contains a keylogger and attempts to spread through the KaZaA file-sharing network.
- Attempts to terminate the processes of various antivirus programs if they are found to be active.
NOTE: Virus definitions dated May 9, 2003 were posted as LiveUpdate definitions on May 12, 2003 in response to the upgrade.
Antivirus Protection Dates
- Initial Rapid Release version May 9, 2003
- Latest Rapid Release version September 28, 2010 revision 054
- Initial Daily Certified version May 9, 2003
- Latest Daily Certified version September 28, 2010 revision 036
- Initial Weekly Certified release date May 9, 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: More than 1000
- Number of Sites: More than 10
- Geographical Distribution: Medium
- Threat Containment: Moderate
- Removal: Moderate
Damage
- Damage Level: Medium
Distribution
- Distribution Level: High
Writeup By: Yana Liu
