MSIL.Idonus

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.

Protection

• Initial Rapid Release version October 15, 2005
• Latest Rapid Release version June 21, 2008 revision 020
• Initial Daily Certified version October 15, 2005
• Latest Daily Certified version June 21, 2008 revision 021
• Initial Weekly Certified release date October 17, 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: Low

Distribution

• Distribution Level: Low