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Risk Level 1: Very Low

March 6, 2003
May 23, 2013 2:19:57 PM
MacOS.Autostart is a worm that infects mounted volumes by placing an autoplay file in the root volume drive on PowerPC Macintosh computers.

Antivirus Protection Dates

  • Initial Rapid Release version March 6, 2003
  • Latest Rapid Release version March 6, 2003
  • Initial Daily Certified version March 6, 2003
  • Latest Daily Certified version March 12, 2003
  • Initial Weekly Certified release date March 12, 2003
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment


  • Wild Level: Low
  • Number of Infections: 0 - 49
  • Number of Sites: 0 - 2
  • Geographical Distribution: Low
  • Threat Containment: Easy
  • Removal: Easy


  • Damage Level: Low


  • 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.
Writeup By: Gor

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