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W95.Hybris.worm

Risk Level 2: Low

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Discovered: September 25, 2000
Updated: February 13, 2007 11:35:22 AM
Also Known As: W95.Hybris.gen.dr, I-Worm.Hybris [Kaspersky], W32/Hybris.gen@MM [McAfee], WORM_HYBRIS [Trend], Win32.Hybris [Computer Associa, W32/Hybris [Sophos]
Type: Worm
Systems Affected: Windows 95, Windows 98, Windows Me



W95.Hybris.worm is a dropper file that the W95.Hybris.gen worm copies to a hard disk when an infected email attachment is opened. It can also be detected in the original attachment, which an infected computer receives.

NOTE: Virus definitions dated prior to February 22, 2001, may detect this as W95.Hybris.gen.dr.

Protection

  • Initial Rapid Release version September 25, 2000
  • Latest Rapid Release version June 22, 2009 revision 066
  • Initial Daily Certified version September 25, 2000
  • Latest Daily Certified version June 19, 2009 revision 051
  • Initial Weekly Certified release date September 25, 2000

Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

  • Wild Level: Medium
  • Number of Infections: More than 1000
  • Number of Sites: More than 10
  • Geographical Distribution: Medium
  • Threat Containment: Moderate
  • Removal: Moderate

Damage

  • Damage Level: Low

Distribution

  • Distribution Level: High

Writeup By: Richard Cave
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