It seems to me that signature testing should also include making sure that system files and common application files are never flagged as malware....... Testing can also be speeded up, by running tests in parallel in a farm of testing computers. Richard
_____ From: Larry Seltzer [mailto:[EMAIL PROTECTED] Sent: Friday, December 21, 2007 10:46 AM To: Richard M. Smith; funsec@linuxbox.org Subject: RE: [funsec] Kaspersky strikes again I remember years ago writing about the speed of updates necessary now for a/v vendors, and how kaspersky talked about how they do it hourly. It basically makes it impossible to do meaningful tests. Larry Seltzer eWEEK.com Security Center Editor <http://security.eweek.com/> http://security.eweek.com/ <http://blogs.pcmag.com/securitywatch/> http://blogs.pcmag.com/securitywatch/ Contributing Editor, PC Magazine [EMAIL PROTECTED] _____ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Richard M. Smith Sent: Friday, December 21, 2007 9:11 AM To: funsec@linuxbox.org Subject: [funsec] Kaspersky strikes again Kaspersky false alarm quarantines Windows Explorer Accidents will happen By <blocked::http://forms.theregister.co.uk/mail_author/?story_url=/2007/12/20/ kaspersky_false_alarm/> John Leyden 20 Dec 2007 17:00 <blocked::http://www.channelregister.co.uk/2007/12/20/kaspersky_false_alarm/ > http://www.channelregister.co.uk/2007/12/20/kaspersky_false_alarm/ A faulty signature update from Kaspersky Lab on Wednesday flagged up Windows Explorer (explorer.exe) as infected with a low-risk virus, Huhk-C. As a result the core Windows component was quarantined or worse. Kaspersky released a revised update alongside advice on how to recover legitimate system and application files from quarantine (the default setting) within two hours. But that's not much consolation for users that had set their software to auto-delete infected files, who found themselves with hosed systems. Among those affected was Reg reader Carl. "A false positive caused the deletion of explorer.exe.," he reports. "It would have only caused problems for companies performing their network scan during the hours that the dodgy update was present - which included me, unfortunately. I was working out of hours to fix the previous Kaspersky update problem. I finally finished sorting it all at 5am.". ...
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