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From: tpirnat@wpi.wpi.edu (Thomas Charles Pirnat)
Newsgroups: comp.virus
Subject: Ping Pong virus infection (PC)
Message-ID: <0007.9007162008.AA15127@ubu.cert.sei.cmu.edu>
Date: 14 Jul 90 13:02:31 GMT
Sender: Virus Discussion List <VIRUS-L@LEHIIBM1>
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Approved: krvw@sei.cmu.edu


    We (Worcester Polytechnic Institute) were also hit with the Ping Pong
 virus!  Our strain appeared to do nothing but destroy/write over a random
 program/file on our hard disks.  However, I had the same experience as
 you did (sys doesn't work) with one hard disk out of ~100 infections.
    The only explanation that I could think of for such a rare/strange case
 of a virus was that the sys command was executed from a different DOS
 version.  In my case, I think that the computer I was trying to fix was
 running DOS v. 3.2.  However, the rest of this school is running DOS
 v 3.3a!  If this was the case, I could see were my problem developed!
    Please keep me updated on your situation (I do not think that our
 Ping Pong infection will EVER go away).  Good luck...

 Thomas Pirnat--Manager of Worcester Poly. Tech./Higgins Computer Labs...

  |       o    |  Thomas Pirnat (WPI X5505 or email tpirnat @wpi.wpi.edu)    |
  |   _  /-+_  |  "Logic is a systematic method of coming up with the wrong  |
  |  (_) > (_) |   conclusion with confidence." -- One of Murphy's Laws      |
  +------------+-------------------------------------------------------------+