With porn as its bait, the virus is set to corrupt files once a month after it gets inside a user's computer.
http://news.com.com/Microsoft+weighs+in+on+Kama+Sutra+worm/2100-7349_3-6033269.html?part=rss&tag=6033269&subj=news
http://news.com.com/Microsoft+weighs+in+on+Kama+Sutra+worm/2100-7349_3-6033269.html?part=rss&tag=6033269&subj=news