How can I proctect my .NET application against DLL Hijacking?

Question

We have a .NET 3.5 application with registered extensions. How can we protect it against DLL Hijacking attacks?

Because of legacy & design problems strong naming

Answer 1

Couldn't you include the dll as a resource and write it out to where you want at run time then load the dll into the assembly? I did this once because we wanted to distribute as one .exe but I think it would also solve this problem, wouldn't it?