Some AV's will pick it up as a trojan, while others will simply ignore it as a false positive. Most of the AV's are complaining about the way the loader is used to start 2.7. You should be fine as long as the person posting is a) reputable, and b) the uploader.

And I second the fact that the latest version is 100 times better than this version, but it's a good spare to have around on a second computer or on a computer you don't have internet on.