By Thilak May 23, 2007

Norton Antivirus Flags System Files as Viruses

Users running Chinese version of Windows XP SP2 along with Norton Antivirus fell into serious trouble, as their antivirus software caught two essential system files, netapi32.dll and lsasrv.dll, as “Backdoor.Haxdoor” Trojans and wiped it out.

Norton released an updated version of virus definition on Friday at around 1.00 AM local time. It removes those two system files and leaving your computer dead with Blue Screen of Death. Booting via Safe mode didn’t help. All Symantec could do was to post instructions (original) to restore those two files via Windows XP recovery console from the Installation CD.

Fortunately for those who didn’t restart their computers after the definition update, Symantec released another definition updated on the same day at around 2.30PM (Beijing time) which fixes the problems created by the previous definition update.

Those who couldn’t retain the installation CD or use pirated version of Windows XP must be cursing Symantec!

This mess should certainly scare away considerable number of customers from Symantec. What if something like this happened worldwide? Symantec would have been screwed forever!

Via Cybernetnews

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Discussion

Comments for “Norton Antivirus Flags System Files as Viruses”

  • RAVINDRA S CHITRAGAR
    There is no doubt about NRTON 360 being a very good anti virus software.

    Just install and forget it.. it keeps working by itself.. (Some initial set up has to be done as per your convenience)
  • Thilak: Aah Vista ... I'm not even courageous enough to try that one.

    As far as alternate Virus protection goes, in addition to Clamwin, I have personally tried Avira and AOL Active Virus Shield. Either of those is more than adequate. I've never needed any commercial solutions myself.
  • Clamwin is also absolute crap. It misses out on a heck of a lot of trojans.
    Best Free option : Avira AntiVir. This is better than paid optoins like norton, mcaffe, pc-cillin, panda etc.
    Best over all : Kaspersky Antivirus.

    While choosing an AV pay close attention to it's detection rate and update frequency.
    Av-Comparatives and virus.gr tests av software at regular intervals.
  • Samir: Yeah, I bet you must be talking about Windows Vista!
  • Rishi: Well, I guess Clamwin should be good enough for everyone. Any recommendation, anyone?
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