Trojan downloaders are continuing to dominate malware statistics with exploitations of the autorun.inf and Delphi functions continuing.
http://www.scmagazineuk.com/Trojans-continue-to-dominate-threat-detections-as-Conficker-takes-top-spot/article/148059/
Virus causes £500,000 IT damage
http://news.bbc.co.uk/2/hi/uk_news/england/london/8237085.stm