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echo: virus_info
to: DON HANN
from: PAUL WALKER
date: 1997-05-30 00:28:00
subject: Virus checker

Hi Don,
Don Hann to Paul Walker, 20 May 97 16:07.
 DH>     It was Stealth and I can't remember the exact name but it was
 DH> something like the Master Upper Memory...  anyway, it worked!
Ah ... that explains things. Sorry if this sounds like a lecture.. :)
Stealth isn't the name of a virus, it's a property that they can possess. If 

virus has stealth abilities, it means that it's generally able to hide its
presence on disk/files/whatever from anything that opens it - it cleans the 
file
while the file is in memory, presents the original boot-sector, whatever. 
This means that it's very hard to detect them, *unless you search memory* (as 
I
don't think there are any memory-stealth viruses around). This would be why 
t
was found in upper memory.
What more than likely also happened was that your other boot disks became
infected, and so when you booted with them, you couldn't clean the virus. The
IBM one wasn't, for whatever reason (write protected?), and so when you 
ooted
from it, the virus wasn't resident, and it could be cleaned. You'd have had 
the
same result with a clean boot disk, or something like Dr Solomon's Magic 
Bullet
disk.
That's answered my question, anyway - hope it helps. :)
... "To live long, it is necessary to live slowly." Cicero
--- FMail 1.22
---------------
* Origin: Running on the Blade (2:440/410.6)

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