This is not that new. What's new is the widespread reporting, based on a recent find of logged information.
http://www.theregister.co.uk/2008/10..._trojan_heist/
http://www.rsa.com/blog/blog_entry.aspx?id=1378
Many AntiVirus can identify this threat (droppers of the rootkit component), even if they can't all fix it.
Sinowal is also known as MBR rootkit
http://www.google.com/search?q=MBR%20rootkit
or mebroot
http://www.google.com/search?q=mebroot
It takes a dedicated rootkit scan to see this, and often takes dedicated tools to fix.
If you think your computer is infected....
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Because what you don't know, CAN hurt you.
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