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  3. W32.Velkbot.A

W32.Velkbot.A

Risk Level 2: Low

Discovered:
April 23, 2005
Updated:
February 13, 2007 12:37:45 PM
Also Known As:
Backdoor.Win32.SdBot.gen [Kasp, W32/Sdbot.worm.gen.j [McAfee], W32/Sdbot-Fam [Sophos], WORM_SDBOT.GEN [Trend Micro]
Type:
Worm
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

W32.Velkbot.A is a worm with back door capabilities that spreads through MSN Messenger, Yahoo Messenger and AOL Instant Messenger.

Antivirus Protection Dates

  • Initial Rapid Release version April 24, 2005
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version April 24, 2005
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date April 27, 2005
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: Medium
Writeup By: Kaoru Hayashi

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