W32.Cissi.W

Risk Level 2: Low

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Discovered: January 28, 2005
Updated: February 13, 2007 12:32:40 PM
Also Known As: Win32.Cissi.H [Computer Associ, Worm.Win32.Pinom.c [Kaspersky , W32/Pinom.worm!backdoor [McAfe, W32/Cissi-E [Sophos], WORM_PINOM.C [Trend Micro]
Type: Worm
Systems Affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP


W32.Cissi.W is an IRC bot worm with back door capabilities that propagates through Windows network shares.

Protection

  • Initial Rapid Release version January 29, 2005
  • Latest Rapid Release version July 26, 2008 revision 017
  • Initial Daily Certified version January 29, 2005
  • Latest Daily Certified version January 20, 2009 revision 048
  • Initial Weekly Certified release date February 2, 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: Paul Mangan
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