http://news.zdnet.com/2100-1009_22-5...=zdfd.newsfeed

That was quick.

From another source

disables Microsoft AntiSpyware Beta in an attempt to suppress any warning messages the package might display. It also deletes files within the program's folder. Unlike other items of malware, BankAsh-A makes no attempt to turn off anti-virus apps.
http://www.theregister.co.uk/2005/02/09/banking_trojan