FromTheRafters wrote:
> "~BD~"<BoaterDave~no.spam~@hotmail.co.uk> wrote in message
> news:ifCdnZBsxp-fPPjRnZ2dnUVZ8vadnZ2d@bt.com...
>> Dustin wrote:
>>> ~BD~<BoaterDave~no.spam~@hotmail.co.uk> wrote in
>>> news:KNSdnZ_Wh89i4PnRnZ2dnUVZ8ridnZ2d@bt.com:
>>>
>>>> Dustin wrote:
>>>>> ~BD~<BoaterDave~no.spam~@hotmail.co.uk> wrote in
>>>>> news:35SdnQv8T-xdsvnRnZ2dnUVZ8mqdnZ2d@bt.com:
>>>>>
>>>>>> /I/ think *Dustin* is wrong. *I believe that installing an
>>>>>> anti-virus programme on an already compromised machine is, in all
>>>>>> probability, a futile exercise*.
>>>>>
>>>>> LOL, you would certainly be in the minority if you think I was
>>>>> wrong in the advice I provided concerning malware.
>>
>> [....]
>>
>>
>> What FTR actually said .....
>>
>> "True, it could be installed and be kept from accessing certain areas
>> by a rootkit".
>>
>> Do you *really* disagree with that?
>
> One thing you are apparently not getting the significance of is that the
> "installation software" for the proposed AV that you want to install on
> the "compromised" machine likely has its own detection software for
> known malware (including some rootkits) *and* rootkit detection software
> that alerts to inconsistencies in what is presented through APIs to the
> other tools due to filter drivers and the like.
>
> It may be impossible to install such AV programs on a "compromised"
> machine, if the preinstallation detection software is aware of, yet not
> capable of removing detected malicious activity - it may tell you that
> you need to address the other issue before attempting to install that
> software (I'm not aware of this actually happening though).
>
> The most likely scenario is that the installation goes off smoothly
> without a hitch on *most* compromised machines (removing the compromise
> in the process) - which, I believe, is Dustin's point.
>
>

I accept what you say, FTR - especially the *most* part! ;-)

No doubt you will review my post to Dustin Re: Kaspersky thread.

As I've said to you many times before, I value your help and guidance.