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W32.Pilleuz!gen1

Risk Level 1: Very Low

Discovered:
January 19, 2010
Updated:
November 9, 2012 12:14:23 PM
Type:
Worm
Systems Affected:
Windows 2000, Windows 7, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Server 2008, Windows Vista, Windows XP
W32.Pilleuz!gen1 is a heuristic detection used to detect threats associated with the W32.Pilleuz family.

For more information, please read the following resource:
Jailing the Butterfly
The Mariposa Butterfly
The Mariposa / Butterfly Bot Kit
W32.Pilleuz

Antivirus Protection Dates

  • Initial Rapid Release version January 19, 2010 revision 025
  • Latest Rapid Release version January 19, 2010 revision 025
  • Initial Daily Certified version January 19, 2010 revision 051
  • Latest Daily Certified version January 19, 2010 revision 051
  • Initial Weekly Certified release date January 20, 2010
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: Easy

Damage

  • Damage Level: Low

Distribution

  • Distribution Level: Low
Note: On May 14, 2015, modifications will be made to the threat write-ups to streamline the content. The Threat Assessment section will no longer be published as this section is no longer relevant to today's threat landscape. The Risk Level will continue to be the main threat risk assessment indicator.

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