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But the real shock came when Pickett decided to test another bug by infecting his own PC with it. Out slithered a program that promptly installed itself deep inside his computer. There it became virtually immune to detection from the basic antivirus software that scans for dangerous code. The bug -- known as a "Trojan," which in turn was hidden inside a "rootkit" -- was designed to activate whenever a Web surfer typed in a user name or password for bank accounts or Web sites for dating, social networking, or e-mail. Pickett went to a bank site and entered fictitious log-in information. Right before his eyes, those data were sent streaming back to Russia, joining the IDs of thousands of real victims. His reaction: "absolute horror."
This nasty bit of code, appropriately named "the Hearse" by Pickett's employer, Sana Security Inc. in San Mateo, Calif., is threatening to raise the stakes in the spy-vs.-spy war over cybercrime. That's because the average computer security program sifts for known worms and viruses on PCs. But rootkits cloak data-stealing code so that it can hide in the deepest guts of Windows software without showing up in task lists as an active program. Criminals, having greatly expanded their knowledge of Windows' inner workings, are flocking to this new tool.
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Do you really need another reason to dump the dog?