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- Discovered:
- May 11, 2004
- Updated:
- February 13, 2007 12:23:00 PM
- Type:
- Worm
- Systems Affected:
- Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP
W32.Gaobot.AJJ is a worm that spreads through open network shares and several Windows vulnerabilities including:
- The DCOM RPC Vulnerability (described in Microsoft Security Bulletin MS03-026) using TCP port 135.
- The WebDav Vulnerability (described in Microsoft Security Bulletin MS03-007) using TCP port 80.
- The Workstation Service Buffer Overrun Vulnerability (described in Microsoft Security Bulletin MS03-049) using TCP port 445. Windows XP users are protected against this vulnerability if Microsoft Security Bulletin MS03-043 has been applied. Windows 2000 users must apply MS03-049.
- The UPnP NOTIFY Buffer Overflow Vulnerability (described in Microsoft Security Bulletin MS01-059).
- The vulnerabilities in the Microsoft SQL Server 2000 or MSDE 2000 audit (described in Microsoft Security Bulletin MS02-061) using UDP port 1434.
- Exploits the Microsoft Windows Local Security Authority Service Remote Buffer Overflow (described in Microsoft Security Bulletin MS04-011).
The worm also spreads through backdoors that the Beagle and Mydoom family of worms install.
W32.Gaobot.AJJ can act as a backdoor server program and attack other systems. It also attempts to kill the processes of many antivirus and security programs.
Antivirus Protection Dates
- Initial Rapid Release version May 12, 2004
- Latest Rapid Release version March 3, 2008 revision 035
- Initial Daily Certified version May 12, 2004
- Latest Daily Certified version March 3, 2008 revision 037
- Initial Weekly Certified release date May 13, 2004
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: Easy
Damage
- Damage Level: Medium
Distribution
- Distribution Level: Medium
Writeup By: Ying Lin
