Available patch blocks original, variant, and copycat worms. Less than two days after it first appeared on the Internet, the W32.Blaster worm has already spawned a variation that is also spreading, warn antivirus vendors. However, major antivirus vendors have updated their virus definitions to identify and repair damage by the original worm (also called Lovsan). Fixes are underway to control its variant as well as a new pest that appears to exploit the same Windows vulnerability as Blaster. Security experts suggest users running vulnerable versions of Windows XP and Windows 2000 apply a software patch released by Microsoft in July. Users can also search their hard drive for the worm file and delete it, and immediately obtain and install the patch. The malicious file is called msblast.exe in the original Blaster, and teekids.exe in the variant, which is dubbed W32/Blaster-B. Full Story
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