W32.Mydoom.G@mm

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.

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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.

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Protection

• Initial Rapid Release version March 2, 2004
• Latest Rapid Release version February 9, 2009 revision 049
• Initial Daily Certified version March 2, 2004
• Latest Daily Certified version February 9, 2009 revision 052
• Initial Weekly Certified release date March 2, 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: Moderate

Damage

• Damage Level: Medium

Distribution

• Distribution Level: High