McAfee published the list of some of the riskiest top level domains along with the domains that are known to spread viruses, spywares, viral codes with downloads & malicious emails. This data changes over a period of time, but the data is more or less consistent with last year, 2007. The study encompasses 9.9 million worldwide websites across 265 country wise domains (like .us, .in etc) as well as all the generic top level domains (like .com, .net, .info etc).
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Key findings from the 2008 study for worldwide risky domains.

McAfee provides a real time map of all virus detected & reported by computers across the world. The heat chart has 5 viewing options:

1. View - view all viruses or top 10 viruses
(a) All viruses or (b) One of the top 10 viruses
2. Track - trace viruses and / or files

(a) Infected Files (b) Infected Computers (c) Infected files / million citizens or (d) Infected computers / million citizens
3. Time Period - view reported viruses for a specific time period
(a) Past 24 hours (b) Past 7 days or (c) …