It's a real virus. Just started showing up (and updates are just coming out from the AV vendors). Maybe Yahoo's scanner is down while they update (though that does seem rather lame).
[link|http://www.sophos.com/virusinfo/analyses/w32mydooma.html|http://www.sophos.co...s/w32mydooma.html]
So what is it?
-Damn, a new virus.
-Damn, a spam/virus posing as a message from Yahoo.
-Damn, Yahoo's scanner is down just when you need it.
-Damn, a virus broke Yahoo's AV scanner.
-Damn, for damn's sake.