Thanks for the update, Alex.

-ASB: http://XeeSM.com/AndrewBaker


On Fri, May 7, 2010 at 1:40 PM, Alex Eckelberry
<[email protected]>wrote:

> Just to clarify for everyone, what happened was the following:
>
> Customers running a scan with definition versions 6272, 6273 or 6274 would
> often experience extremely high CPU usage when running a scan.
>
> This became apparent when agents started running scans, in most cases at 1
> AM EDT (the default time).  If an agent didn't run a scan, nothing happened.
>
> The issue started with definition 6272, released yesterday evening. The
> issue was caused by a virus detection (Virus.VBS.Redlof.f) that caused a
> loop condition when hitting a file of a certain type and size. This problem
> was fixed in definitions version 6275, which was released at 10:30 am EDT
> this morning.
>
> As the KB below explains, getting out of this loop state required killing
> the service, or shutting down VIPRE.
>
> http://support.sunbeltsoftware.com/Default.aspx?answerid=2015
>
> Yes, it sucks.  The only positive thing I can look at is that a number of
> systems kicked in internally that were not there in the past and we were
> able to fix the problem in a few minutes and release defs once our engineers
> diagnosed the problem.
>
> And yes, we do test each definition that go out.  The problem with this one
> was that the loop condition kicks in on a file of a certain size that is not
> in our test bed.  We are expanding our test-bed and seeing what else we can
> do to mitigate this type of thing from happening again.
>
>
> Alex
>
> Alex Eckelberry, CEO
> Sunbelt Software
> 33 N. Garden Avenue, Clearwater, FL 33755 p: 727-562-0101 x220
> e: [email protected] MSN: [email protected]
> w: www.sunbeltsoftware.com b: www.sunbeltblog.com
>
>
>
>
>
>
>
> -----Original Message-----
> From: Greg Olson [mailto:[email protected]]
> Sent: Friday, May 07, 2010 1:05 PM
> To: NT System Admin Issues
> Subject: RE: Computers becoming unresponsive accross entire network.
>
> No Vipre.
> :)
>
> -----Original Message-----
> From: HELP_PC [mailto:[email protected]]
> Sent: Friday, May 07, 2010 10:04 AM
> To: NT System Admin Issues
> Subject: R: Computers becoming unresponsive accross entire network.
>
>
> With SEP ?
>
>
> GuidoElia
> HELPPC
>
> -----Messaggio originale-----
> Da: Greg Olson [mailto:[email protected]]
> Inviato: venerdì 7 maggio 2010 18.57
> A: NT System Admin Issues
> Oggetto: RE: Computers becoming unresponsive accross entire network.
>
> Lucky you are sir.
> I've got entire offices down, servers offline, and all kinds of joy.
> Updating them is becoming a goto each and try to run a manual update. Which
> is only working sometimes. Machines are so horked up that we're rebooting
> into safe mode, and updating from there.
> -Greg
>
>
> -----Original Message-----
> From: HELP_PC [mailto:[email protected]]
> Sent: Friday, May 07, 2010 9:33 AM
> To: NT System Admin Issues
> Subject: R: Computers becoming unresponsive accross entire network.
>
>
> I feel good with my "poor" Symantec Endpoint Protection !
>
>
> GuidoElia
> HELPPC
>
> -----Messaggio originale-----
> Da: Carl Houseman [mailto:[email protected]]
> Inviato: venerdì 7 maggio 2010 17.31
> A: NT System Admin Issues
> Oggetto: RE: Computers becoming unresponsive accross entire network.
>
> Already discussed in another thread, update your Vipre defs.
>
> Is anyone keeping track of the number of bad defs out of Sunbelt for this
> year alone?
>
> Carl
>
> -----Original Message-----
> From: Luke [mailto:[email protected]]
> Sent: Friday, May 07, 2010 10:57 AM
> To: NT System Admin Issues
> Subject: Computers becoming unresponsive accross entire network.
>
> The Network Administrator and I have been working on this all morning.
> Since about 7:00AM random machines on the Local Network have been slipping
> into and out of a random state of unresponsiveness ("Freezing").
>
> The symptoms are pretty serious - I have seen it take up to 5 minutes to
>  bring an already open window from the background to the foreground on
> client machines - and there are servers that are so unresponsive that I am
> not even able to log into them (enter Username and Password and nothing
> happens for the next 30min.). We have had to cold boot one server 3 times in
> the past hour!
>
> This problem is not specific to any user, profile, machine, OS, network
> switch, etc. - at least from what we have been able to Identify. So far it
> has affected Windows 7, XP and Server 2003. However, this issue is not
> affecting everyone on the network. My Colleague sitting right next to me has
> been having all kinds of trouble with his PC and I have not.
>
> We have found that cold booting the affected machines does help a little or
> at least for a while, but more often than not the machine will just return
> to its unresponsive state after a few minutes. On the machines that I have
> that are accessible I am attempting scan with Vipre.
>
> We are seriously starting to suspect that Vipre is doing something (in the
> background that we cant see) that is actually causing all this. We
> completely removed Vipre from one PC that was having trouble and it seemed
> to fix the problem. The PC has been running fine since.
>
> Any thoughts?
>
>

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