From the Register:

The site exploits well-known IE vulnerabilities to install a variety of Trojans including Cgab-A, Borobot-P, Borobot-Q, Borodldr-H and Inor-R. Security firm Sophos reports that subject lines used in the malicious emails include, but are not limited to, the following:

Re: g8 Tropical storm flooded New Orleans.

Re: g7 80 percent of our city underwater.

Re: q1 Katrina killed as many as 80 people.

Alex