You can go to "about:config" and clear the value of "general.useragent.extra.microsoftdotnet" to remove the "(.NET [...])" part of the UA string.

It would've been your most productive to date.

Owner: [sweeping a bunch of toads out] Get out, get out! Shoo, shoo. Get out of here, yuck! These bloody things are everywhere. They're in the lift, in the lorry, in the bond wizard, and all over the malonga gilderchuck. Clerk: They're like kangaroos, but they're reptiles, they is. Marge: We have them in America. They're called bullfrogs. Clerk: What? That's an odd name. I'd have called them "chazzwazzers". Owner: [sweeping a bunch of toads out] Get out, get out! Shoo, shoo. Get out of here, yuck! These bloody things are everywhere. They're in the lift, in the lorry, in the bond wizard, and all over the malonga gilderchuck. Clerk: They're like kangaroos, but they're reptiles, they is. Marge: We have them in America. They're called bullfrogs. Clerk: What? That's an odd name. I'd have called them "chazzwazzers".

Amazon now apparently provides web-hosting services. I've only skimmed, since I wanted to type this fast, but, hypothetically, but couldn't it be someone hosted? The fact that I can't navigate to that page from the main Amazon page sends up a red flag to me.