You would have to send it to Avert Laboratories in the hope they issue you an extra.dat to stop the detection, otherwise you are out of luck, sorry, Keylogging software, by its very nature, is considered spyware.
Send a file to Avert for analysis:http://vil.nai.com/vil/submit-sample.aspx
Email file to: email@example.com
When submitting samples via E-mail all samples must be packaged in a .ZIP file. When creating this .ZIP file, it is important to understand that the .ZIP can be no more than 3 megabytes in size and can contain no more than 30 files. Additionally, any .ZIP file created must be password-protected using the password "infected" (minus the ""). Failure to follow these guidelines will cause your submission to be rejected.