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Article #4707

re: DOS Viruses under HPFS (OS/2)

#4707
From: David M. Chess
Date: Mon, 18 Jan 1993 21:16
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>From:    antkow@sis.uucp (Chris Antkow)
>
> If you are testing a virus in a DOS window and it "goes off" so to
>speak (If it has a destructive nature...), will it trash the entire
>system, or just mess up the DOS window (Theory states that it should
>only mess up the DOS window... But can someone vouch for this?)

I'm not sure what theory you're referring to here!  *8)

If the virus does its damage by doing something that works in the DOS
box (like erasing all your 8.3-named files, say, or otherwise munging
with the data in them), it will work in the DOS box.  If it tries to
do something that doesn't work in the DOS box (writing to the hard
disk by direct BIOS calls is generally off, I think, for instance), it
won't work.  But remember that OS/2 is still designed as a single-user
system, and if you run a program that tries to do X, the system will
generally assume that X is what you want done, and do its best to do
it.  I wouldn't run viruses on my production system if I were you...

DC
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From: chess@watson.ibm.com (David M. Chess)
Newsgroups: comp.virus
Subject: re: DOS Viruses under HPFS (OS/2)
Message-ID: <0008.9301281842.AA17847@barnabas.cert.org>
Date: 18 Jan 93 21:16:43 GMT
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