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From: stephenc@cunixf.cc.columbia.edu (Stephen Chung)
Newsgroups: comp.virus
Subject: Disk write loses 10 characters --- a virus?
Message-ID: <0001.9010041806.AA01362@ubu.cert.sei.cmu.edu>
Date: 1 Oct 90 14:44:28 GMT
Sender: Virus Discussion List <VIRUS-L@LEHIIBM1>
Lines: 12
Approved: krvw@sei.cmu.edu

Hi, NetLanders,

I have recently been asked to look at an Epson Equity (PC compatible)
which is behaving strangely when writing to the hard disk.  All the
files are read fine, but I discovered that whenever I try to write any
file onto the hard disk, the first 10 bytes of the data to be written
are lost.  EXACTLY 10 bytes.  Every time.  I then tried to boot the
machine with a write-protected DOS disk and the problem went away.
However, as soon as I tried to run a copy of PFS:Write from a diskette,
the problem appeared again.  Any pointers?

Thanks.