> For reference it's not the .dmg extension because if I go to Chrome and download googlechrome.dmg it gets downloaded without any problems. That doesn't mean

> For reference it's not the .dmg extension because if I go to Chrome and download googlechrome.dmg it gets downloaded without any problems. That doesn't mean it's not the extension, as they may have somehow whitelisted their own files. I would expect that warning to come up with any file format that can carry executable code.