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midivir.txt
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1997-04-16
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Page 1
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
~ MIDI - VIRUSES ~
~ ATARI-ST by ATARI-ST ~
~ ~~~~~~~~ ~~~~~~~~ ~
~ Niagani Dekcus ~
~ ~
~ 21/12/90 Copyright of M.I.A/M.M.A ~
~ ~
~ For more infomation please contact ~
~ The International MIDI Association ~
~ Or MIDI Manufacturers Association ~
~ ~
~ THIS VERSION OF THE DOCUMENT IS ~
~ ONLY FOR USE WITH ATARI ST'S ~
~ ============================ ~
~ PLEASE CONTACT US FOR MAC'S ETC. ~
~ genie : virushunt 666. ~
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Page 2
Be on the ALERT!
================
The presence of viruses in computers is a sad but common fact, so why did
some silly fool decide to write a program (programs) wich would effect all
users of the MIDI protacol? We can not answer this but we can advise users
ways to avoid data losses and system resets of there equipment.
The first Known Virus was found in Germany in 11/7/90 but its programer is
still unknown!
This common virus is called the "FIRE VIRUS" reasons for its name shall be
obvious, this virus spreads like Fire secondly it Flashes prompts on the
computers monitor showing that it is Active!
Its obvious the programer had a warped sense of humor but no heart due to the
results this virus shall do to your MIDI Studio,System,Etc.
Page 3
The Fire Virus has a task to do and it does it without being noticed unless
you are constantly looking at the monitor (in most cases no!) wich is not
part of being a Musician Etc, It first checks to see if any MIDI Data is
comming in to the MIDI Ports and then if data is, it then looks for an active
Thru Port by either hardware or software ( Atari ST'S use software ) then
adds a series of bytes in the data "IF ALLOWED" to corrupt your Modules,
Keyboards,Samplers,Time Code devices Etc.
We did state if allowed as some manufacturers have hardware protection so
any changes to the data is entered into a edit buffer until saved if this
is your choice?
But some manufacturers have an override system built in to be activated by
software eg, Editors Libraians which allow data to be changed or received
via MIDI then saved without any prompt warnnings so updates can be quicker!
Page 4
A good example of this type of unit is the Roland D110,MT32,D50,D10,D5,D20.
Kawi K1,K4 just about any unit which saves its data internaly without needing
to save to Roms or Disks so data is there on power up!
So make sure you back up all inportant work its up to you!!!!
How does this VIRUS spread?
===========================
The two common Viruses ( The second is to be reveald soon ) can only be spread
through computer software and not through MIDI equipment as reported by a
Major Magazine in November 90' by a ill informed journalist who sent panic
and our switchboard crazy!
Like all computer Viruses they spread fast but these ones were wrote with
MIDI being its only destruction, So far we have found that these Viruses
are Link Viruses and are not Bootsector Viruses so detection is hard and
of course most times impossible to detect its presence until it causes
some sort of corruption to data, To be safe follow normal procedures in
avoidance against Viruses contact your local computer store they may give
some valuable advice.
Page 6
The other main problem and we can not advise you what to do is the Virus
can link itself to a progam wich may have copy protection on it so there
for your protected software may not ever work or maybe the virus should not
be killed with a Virus Killing Program? Please consult the manufacture of
your software if you think you have this problem!
At the present moment we have not found any Virus Killing Program either
Commercial or PD release which can detect these viruses so again be warnned
Take care of your software and dont let any unwanted Viruses creep in........
The SCRAMBLE Virus
==================
This is the second Virus which is currently spreading through out the world
The SCRAMBLE Virus gives no warnnings on your computer monitor so detection
is only noticed when the Virus is active in your MIDI set up.
Eg,this virus will change the parameters of your midi set up randomly so its
motive is endless on most systems. This Virus can be spread through any type
of computer software just like the FIRE Virus it does not care which software
program it links itself to it only can affect MIDI based software but can be
carried by any type of program and shall keep looking for calls for the MIDI
in out data ports! so be aware of any new or old software you put in your
computer!
Page 7
Like the FIRE Virus the SCRAMBLE Virus will mess around with all sorts of data
mostly patches but will also send random program changes and corrupt patches
quicker the the previous Virus. IT also has in some known cases destroyed
sample dump packets on some Sequencer programs which is totaly corrupting
live performances in most cases but this is still not very common!
There was a report that a pirate bulletin board based in Europe was
distributing a program wich will allow you to modify the SCRAMBLE virus
so you could make all sorts of different types of viruses which would result
in an endless search for these viruses but recent reports have suggested
that it has been taken off the boards due to its illeagal origin and most
users lack of knowledge of the MIDI proticol to modify the program.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
THE END
We hope this brief description on MIDI Viruses will help all people who have
read about this subject to be more alert of this new attempt to disrupt
people in there ability to function under the act of freedom of rights.
Please upload or down load this document freely as it has a meaning for all
for more infomation contact the I.M.A or the M.M.A in the U.S.A.
they shall supply further updates on this topic thank you.
N. Dekcus 1990.
Niagain. Dekcus is a Proffessor of Elctronic Music at the U.C.L.A
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