Another day another virus, not that virus the other virus

The Russian Trading System (stock exchange) was shutdown due to a computer virus (worm, maleware, whatever you want to call it). Not the computer virus the press has been talking about for the last week, but a different computer virus. http://en.rian.ru/business/20060203/43307462.html IT computer experts are perplexed why their anti-virus software didn't stop the computer virus. http://www.kommersant.com/page.asp?id=646216