W32.Bobax.AA@mm

Risk Level 2: Low

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Discovered:: July 4, 2005
Updated:: February 13, 2007 12:41:43 PM
Also Known As:: Backdoor.Win32.Surila.t [Kaspe, W32/Mydoom.gen@MM [McAfee], W32/MyDoom-Gen [Sophos], WORM_MYDOOM.BG [Trend Micro]
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

W32.Bobax.AA@mm is a mass-mailing worm that sends itself to addresses gathered from the compromised computer and from search results on www.google.com and www.accoona.com. It also operates as a covert proxy.

Note: Virus definitions dated July 31st, 2005 or earlier may detect this threat as W32.Bobax.AA.

Antivirus Protection Dates

Initial Rapid Release version July 4, 2005
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version July 4, 2005
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date July 6, 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: 0 - 2
Geographical Distribution: Low
Threat Containment: Easy
Removal: Moderate

Damage

Damage Level: Medium

Distribution

Distribution Level: High

Writeup By: Costin Ionescu

Technical Details

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Internet Security Threat Report, Volume 16