(read the complete text, it contains important information) It was decided not to change the file itself for backward-compatibility reasons. The content of this documentation (title-only) was adapted 1 September 2006 to add verification of the activity of anti-malware or anti-spyware products.The definition of the file has been refined by Eddy Willems in cooperation with all vendors.This file used to be named ducklin.htm or ducklin-html.htm or similar based on its original author Paul Ducklin and was made in cooperation with CARO.