Discovered: October 24, 2003
Updated: February 13, 2007 12:12:38 PM
Also Known As: W32/Sdbot.worm.gen [McAfee], Backdoor.SdBot.gen [Kaspersky]
Type: Worm
Systems Affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP
W32.Randex.R is a network-aware worm that spreads itself through shared network drives as the file, Service.exe.
The worm receives instructions from an IRC channel on a specific IRC server. One such command triggers the aforementioned spreading.
W32.Randex.R may open ports 20, 113, 445, 1024, 55808. It also opens randomly selected ports.
Protection
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Initial Rapid Release version October 27, 2003
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Latest Rapid Release version July 19, 2008 revision 019
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Initial Daily Certified version October 27, 2003
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Latest Daily Certified version July 19, 2008 revision 018
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Initial Weekly Certified release date October 29, 2003
Click for a more detailed description of Rapid Release and Daily Certified virus definitions.
Threat Assessment
Wild
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Wild Level: Low
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Number of Infections: 0 - 49
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Number of Sites: 0 - 2
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Geographical Distribution: Low
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Threat Containment: Easy
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Removal: Moderate
Damage
Distribution
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Distribution Level: Medium
Writeup By: Tony Lee
