W32.Mytob.EJ@mm

Risk Level 2: Low

Printer Friendly Page|Rate this page

Discovered:: June 13, 2005
Updated:: February 13, 2007 12:40:16 PM
Also Known As:: Win32.Mytob.FT [Computer Assoc, WORM_MYTOB.BN [Trend Micro]
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

W32.Mytob.EJ@mm is a mass-mailing worm that uses its own SMTP engine to send an email to addresses that it gathers from the compromised computer.
The worm spreads through the network by exploiting the Microsoft Windows Local Security Authority Service Remote Buffer Overflow (as described in Microsoft Security Bulletin MS04-011) and the Microsoft Windows DCOM RPC Interface Buffer Overrun Vulnerability (described in Microsoft Security Bulletin MS03-026).

Antivirus Protection Dates

Initial Rapid Release version June 13, 2005
Latest Rapid Release version June 13, 2005
Initial Daily Certified version June 13, 2005
Latest Daily Certified version June 13, 2005
Initial Weekly Certified release date June 15, 2005

Click 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: 3 - 9
Geographical Distribution: Low
Threat Containment: Easy
Removal: Moderate

Damage

Damage Level: Medium

Distribution

Distribution Level: High

Writeup By: John Canavan

Technical Details

Search Threats

Search by name

Example: W32.Beagle.AG@mm

Internet Security Threat Report, Volume 16