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  3. MSIL.Idonus


Risk Level 1: Very Low

October 14, 2005
February 13, 2007 12:45:28 PM
Also Known As:
PE_DONUT.B [Trend Micro]
Systems Affected:

MSIL.Idonus is an overwriter virus that copies itself over .exe files. It works only on Microsoft .NET Framework 2.0, which is included by default in Windows Vista beta 1, but is also available as an add-on for Windows 2000, XP, and 2003.

Note: Virus definitions dated October 16th 2005 or earlier may detect this threat as MSIL.Idonut.

Antivirus Protection Dates

  • Initial Rapid Release version October 15, 2005
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version October 15, 2005
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date October 17, 2005
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Costin Ionescu

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