Z Extension Methods .net foss library false positive

I am not sure that this i right place to post this.

But last few months Avast reports Z Extension Methods as virus.

This is not a threat. That is .net FOSS lib.

This is their site: Z Extension Methods

This is their source: https://zextensionmethods.codeplex.com/SourceControl/latest

Lib. itself is very useful. It has quite a few usefule linq, DB, and array functions. Here is description:

Z Extension Methods Library enhances the .NET Framework by adding hundreds of new methods. It drastically increases developers productivity and code readability.

Here is how avast reported it:

http://i.imgur.com/5mYNjW5.png?1

https://blog.avast.com/tag/false-positive/