The McAfee update (DAT 4715) released on Friday was designed to protect computers against the W95/CTX virus. But because of a programming error, the update also incorrectly identified renamed and quarantined hundreds of legitimate executables including popular ones such as excel.exe, lsetup.exe, uninstall.exe, shutdown.exe and reg.exe.
For companies that had configured their McAfee antivirus program to automatically delete bad files, the error resulted in the loss of hundreds, and in some cases even thousands, of files on systems in which the update had been installed, said Johannes Ullrich, chief technology officer at the SANS Internet Storm Center (ISC) in Bethesda, Md.
The full article can be found at http://www.computerworld.com/securitytopics/security/story/0,10801,109525,00.html?source=NLT_AM&nid=109525
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