A Red-band trailer for David Fincher's The Girl with the Dragon Tattoo has recently surfaced on the web.
According to the Hollywood Reporter, Sony has not commented on whether the trailer is authorized or not, but all signs point to a viral campaign not unlike the one for JJ Abrams' summer film Super 8. The lengthy trailer features clips throughout the film and highlights it's dark and graphic nature. We get glimpses of a bloodied Daniel Craig as Mikael Blumkvist and a nude Mara Rooney as Lisbeth Salander.
Given the extensive footage, the Columbia Pictures titles, and the fact that the end of the trailer points to an official website, it seems to me that this is not the work of a Salander copycat hacker, but more likely a concerted marketing ploy. But in the end it doesn't really matter- either way we're getting to our first look at what looks indeed to be "the feel bad movie of Christmas."