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  3. W32.Mydoom.H@mm

W32.Mydoom.H@mm

Risk Level 2: Low

Discovered:
March 3, 2004
Updated:
February 13, 2007 12:18:31 PM
Also Known As:
W32/Mydoom.h@MM [McAfee], Win32.Mydoom.H [Computer Assoc, WORM_MYDOOM.H [Trend]
Type:
Worm
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

The W32.Mydoom.H@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 as W32.Mydoom.G@mm.
  • W32.Mydoom.H@mm has an MD5 hash value of 0X47CC271E765E6CDF0562E692CE805B35.


Antivirus Protection Dates

  • Initial Rapid Release version March 4, 2004
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version March 4, 2004
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date March 10, 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

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