Hmm, looks nice. Well we sure stress a lot about sig rippers, though this one doesn't look like it was ripped. I don't think so anyway, though they all look like each other.
I'm not sure if VirtualDub is what you are looking for, but take a look at it. http://www.virtualdub.org It doesn't have a lot of functions, i'm not sure if it's able to take 7+ gigs either.
I'm sure you could do it in 1 minute if you do it fast, it's only a cloud render and some text with glow which is easy too. Anyway, the sig is noobish.
In an animation there are several frames which loop from frame to frame, here is an example which i just made to show you: I hope this makes you understand it, if not feel free to ask more.