Welcome to DSLR Guff and thanks for the heads up. I'm still playing catch up, I don't even have AdAware 4.6 yet and theres a new RegHance, new to me anyway.
amark....the "reflist.zip"(reference file) is referred to by LavaSoft as the "Ad-aware signature file".....similar to the "signature files" that are updated periodically for virus programs.