Microsoft to root out Sony spyware

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November 14, 2005 (IDG News Service) -- Microsoft Corp. has joined a growing group of security software vendors who are treating Sony BMG Music Entertainment's controversial XCP (Extended Copy Protection) copy protection software as a threat. On Saturday, Microsoft announced that it would begin treating the software as spyware and offering users tools to remove it, just as a Princeton University computer science researcher raised questions about a second Sony copy-protection product.

"We have analyzed this software and have determined that in order to help protect our customers we will add a detection and removal signature for the rootkit component of the XCP software to the Windows AntiSpyware beta," wrote Jason Garms, group program manager for Microsoft's Anti-Malware Technology Team, in a Web log posting.

Sony had come under heavy fire for using so-called rootkit cloaking techniques -- normally associated with hackers -- to make it nearly impossible to detect the XCP software. After nearly two weeks of consumer backlash, however, Sony announced on Friday that it would temporarily suspend production of XCP-enabled CDs.

In an upcoming weekly software update, Microsoft will add the new electronic signature so that Windows AntiSpyware can spot and automatically remove the software, Garms wrote. Windows AntiSpyware is a beta product that Microsoft eventually plans to rename Windows Defender.

Microsoft will also include the XCP signature in the next update to its Malicious Software Removal tool, and with its Web-based security service called Windows Live Safety Center, according to Garms.

Microsoft joins security vendors like CA Inc. and Symantec Inc. in identifying XCP as a possible security threat. Computer experts had worried that hackers might use XCP's cloaking capabilities to hide malicious software of their own, and last week the first few examples of such programs began surfacing.

Meanwhile, a Princeton University computer scientist has posted an analysis of a second copy-protection product used by Sony, saying that it, too, suffers from many of the same problems as XCP. That software, called MediaMax, was written by SunnComm International Inc. Sony has confirmed that it ships CDs with both SunnComm's software and XCP, which was created by Banbury, U.K.-based First 4 Internet Ltd.

Both copy-protection products are bad for consumers, according to J. Alex Halderman, a Ph.D. student in computer science at Princeton. "Like XCP, recent versions of MediaMax engage in spyware-style behavior," he wrote in a Saturday posting to the Freedom to Tinker weblog.

Halderman reported that MediaMax automatically installed files without user consent, that its uninstaller program does not completely remove the software, and that it secretly transmits user information back to SunnComm's servers.

"Playing First 4 Internet or SunnComm disks means not only installing new software, but trusting that software with

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