Microsoft releases antispyware, promises more tools

Microsoft on Thursday released a free trial copy of antispyware software it purchased last month, marking the company's entry into the fast-growing market for products that block surreptitious snooping programs, and promised monthly releases of tools to stop new malicious software.

The company published Windows AntiSpyware (Beta) on the Web site, allowing Windows users to download and install a copy of the product, formerly known as Giant AntiSpyware, for free. The release makes good on a promise Microsoft made last month to quickly release a trial copy of the rebranded tool, after it purchased Giant Company Software.

In a separate announcement, Microsoft promised to offer a new tool to remove malicious programs along with its monthly security updates, formalizing a program of releasing quick-fix tools for customers plagued by worms and viruses that target its Windows platform.

The company offered copies of the AntiSpyware beta on the Web site (See:, describing the product as a way to protect its Windows customers from spyware and other unwanted software that can slow PC performance or display unwanted pop-up ads.

The product is available to Windows 2000, XP and Windows Server 2003 users and requires a connection to the Internet to participate in SpyNet, the worldwide network of AntiSpyware users created by Giant to help spot and block new spyware programs.

According to the company's Web page, Windows AntiSpyware is only available to "genuine" Windows users running licensed copies of the operating system. Microsoft asked visitors to to validate their Windows license before obtaining a copy of the Windows AntiSpyware beta, but allows downloads even if visitors have not certified that their copy of Windows is legal.

Microsoft asks existing users of Giant AntiSpyware with active antispyware subscriptions to continue using that product, which runs on more versions of Windows and has features that are not in the beta Windows AntiSpyware release. Giant AntiSpyware users who want to install and use Microsoft Windows AntiSpyware need to uninstall the Giant product first, Microsoft said on its Web page.

Some security experts object to Microsoft limiting security-focused updates for its products to licensed users, arguing that security threats that take advantage of shortcomings in the ubiquitous Windows operating system affect everyone.

"If you have a compromised copy of Windows, it's not just your problem, it's everybody else on the Internet's problem, too," said John Levine, a member of the Internet Research Task Force's Anti-Spam Research Group.

Microsoft also said that it will begin providing Windows customers with a software removal tool for malicious code on a monthly basis, beginning Jan. 11, the company said in a statement.

The removal tool will be available to users of Windows, starting with Windows 2000, and will be updated on the second Tuesday of each month, in conjunction with Microsoft's monthly security software updates.

In the last year, Microsoft periodically released software tools to address specific threats, such as the Blaster and MyDoom worms, which targeted Windows systems. The new tool will consolidate the features from those previous programs into a single product that can be downloaded from Windows Update and through the company's Automatic Update service.

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