W32.Mydoom.G@mm

Risk Level 2: Low

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Discovered:: March 2, 2004
Updated:: February 13, 2007 12:18:24 PM
Also Known As:: W32/Mydoom.g@MM [McAfee], WORM_MYDOOM.G [Trend], Win32.Mydoom.G [Computer Assoc, W32/MyDoom-G [Sophos]
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

The W32.Mydoom.G@mm worm:

Is a mass-mailing worm that opens a backdoor on TCP ports 80 and 1080
Can download and execute arbitrary files
Performs a Denial of Service (DoS) against www.symantec.com.

The worm arrives as an attachment with the file extension .bat, .com, .cmd, .exe, .pif, .scr, or .zip. The From: line of the email may be spoofed.

Notes:

Symantec Consumer products that support Worm Blocking functionality automatically detect this threat as it attempts to spread.
Virus definitions version 60302u (extended version 03/02/2004 rev 21) detect this threat.
W32.Mydoom.G@mm has an MD5 hash value of 0XE6809FE1B5AAD133127BF544687B39FC.

Antivirus Protection Dates

Initial Rapid Release version March 2, 2004
Latest Rapid Release version October 27, 2011 revision 018
Initial Daily Certified version March 2, 2004
Latest Daily Certified version October 27, 2011 revision 022
Initial Weekly Certified release date March 2, 2004

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: 0 - 2
Geographical Distribution: Low
Threat Containment: Easy
Removal: Moderate

Damage

Damage Level: Medium

Distribution

Distribution Level: High

Writeup By: Heather Shannon

Technical Details

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Internet Security Threat Report, Volume 16