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Article View: comp.sys.ibm.pc.misc
Article #11565

Re: PKZIP V3.05 problems

#11565
From: WORLEY LAWRENCE JA
Date: Tue, 05 Jan 1993 05:02
41 lines
2676 bytes
From article <1993Jan4.184516.3492@digi.lonestar.org>, by ghoffman@digi.lonestar.org (Gene Hoffman):
> Do NOT use PKZIP V3.05!
> 
   [ stuff deleted about how problem arose and hardware setup]

> the C: drive.  The ROM startup messages were displayed, but then the system
> hung.  No error messages were displayed or beeps sounded.  I checked the setup
> (AMI BIOS) and found that everything was correct.  Just to check, I selected
> the option which forces the factory defaults.  No help.  If, however, I booted
> from the A: drive, I could successfully access the C: drive.
> 
   [ stuff deleted about what tech said was problem with failing hard drive ]
> 
> I've seen a few net messages about PKZIP V3.05, but none reported any hardware
> problems.  Please report any experience you've had, and any explanations for
> the problems.  I didn't think software could cause hardware problems, but
> my recent experience seems to state otherwise.

I downloaded a letter last fall (around October ? ) that was supposedly
posted from some hacker group in the California area.  I still have this
post if you are interested.  It described a virus that was supposedly 
embedded in a hacked version 3.05 of PKunzip.  The virus, according to
the post, was supposed to hide in VGA RAM, com port buffer, printer buffers,
disk drive buffer, and any other RAM that it could find that would allow it
to elude existing detection schemes.  The guy writing the letter said
he had lost over 200MB of data due to the virus, and that none of his
virus-detection/protection programs were of any help.

I contacted PKware about this as well at the time, and posted several bulletins
on several newsgroups.  I also asked around the country to some friends of
mine who use the Internet and are heavily involved in tele-communications.
All of these sources either dismissed the "virus" and the post I have a 
copy of as a rumor, and claimed that such a virus could not possibly exist.
This is the first I have heard of an actual case from this program (besides
the post I have).  

If you would like, I can e-mail you a copy of that post.  If anyone else
would like it, e-mail me, and if there is sufficient interest, I will
re-post it here.

-Jason Worley
Technical Details
Message-ID: <1993Jan5.050256.15604@a.cs.okstate.edu>
Path: arc1-ca.pugleaf.net!sparky!uunet!wupost!cs.utexas.edu!convex!constellation!a.cs.okstate.edu!worley
References: <1993Jan4.184516.3492@digi.lonestar.org>

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Path: arc1-ca.pugleaf.net!sparky!uunet!wupost!cs.utexas.edu!convex!constellation!a.cs.okstate.edu!worley
From: worley@a.cs.okstate.edu (WORLEY LAWRENCE JA)
Subject: Re: PKZIP V3.05 problems
References: <1993Jan4.184516.3492@digi.lonestar.org>
Message-ID: <1993Jan5.050256.15604@a.cs.okstate.edu>
Organization: Oklahoma State University
Date: Tue, 5 Jan 93 05:02:56 GMT
Lines: 41