                              EICAR Test File

This  TEST.TXT file  is  helpful in      䠩  (TEST.TXT)    
testing  the   performance   of the    ஢ ࠡᯮᮡ  -
antivirus     programs    detecting     ணࠬ, 㦨 -
viruses with their signatures  (for       ᨣࠬ  (ਬ, ⨢- 
example,    Doctor Web,   DSAVmail,     ணࠬ  Doctor Web,  DSAVmail,
Spider anti-virus programs).           Spider  .).

For this purpose, most of the anti-     饥 ६  ࠧࠡ稪-
virus    designers    at    present     ⨢ᮢ ਭ    ⮩  楫
generally make use of the  standard    ᯮ짮       ⠭
TEST.COM program.                      ணࠬ TEST.COM.   ணࠬ 뫠
The TEST.COM program is _specially_    _ᯥ樠쭮_ ࠧࠡ⠭  ⮣, -
designed  such   that   the   user,      짮⥫,    ࣠   ᢮
without  endangering  his  machine,      ᭮,    ᬮ,
may verify  how  a  newly-installed        ᢥ⠭  ⨢
anti-virus tool will alert the user    㤥  ᨣ஢  砥 -
on detecting a virus.  The TEST.COM     . ணࠬ TEST.COM  -
program,   in  reality,  is  not  a      ᮬ  ,   -
virus,  but it is recognized by the       設⢮    ⨢
majority  of  anti-virus  utilities    ணࠬ  (  ணࠬ Doctor Web,  
(even Doctor Web)  as if  it  is  a    ⭮) 类   .    ⮬
virus.  Furthermore,  on  detecting    Doctor Web 뢠  "" ᫥-
this "virus", Doctor Web reports       騬 ࠧ:

                      EICAR Test File (Not a Virus!)

Other  anti-virus  utilities   also    ਬ୮ ⠪  뢠  㣨  -
alert along somewhat similar lines.    ⨢   ணࠬ.     ࠢ:
(The  acronym  EICAR   stands   for    EICAR - European Institute for Computer
European   Institute  for  Computer    Anti-Virus Research.
Anti-Virus Research).
                                       ணࠬ  TEST.COM  ।⠢ ᮡ
The TEST.COM program  is  a 68-byte    68- COM-䠩, १ ᯮ-
COM-file,  which on executed prints     ண - 뢮 ⥪⮢ ᮮ-
on the screen                          :

                    EICAR-STANDARD-ANTIVIRUS-TEST-FILE!

and  then  returns control to  DOS.      ᫥騬  ⮬  ࠢ 
The  TEST.COM  file  contains  only    DOS.  TEST.COM ⮨  
printable   characters    and   the    ⥪⮢  ᨬ    ᮮ⢥
corresponding text string reads  as    ⥪⮢ ப  ᫥騩 :
follows:

X5O!P%@AP[4\PZX54(P^)7CC)7}$EICAR-STANDARD-ANTIVIRUS-TEST-FILE!$H+H*

In  the  file   you  are  presently    ᫨  ⠥  䠩 (TEST.TXT)
reading now  (i.e.,  TEST.TXT),  if    ⠢   襯ਢ ப 
you  retain only the above line and    ⠪  ࠧ  ।஢  䠩
delete all other  text  matter  and    ࠭   TEST.COM,   -
rename  the  file  thus  edited  to      ணࠬ,  
TEST.COM,  you  obtain  a  program,    㤥 ᠭ  "ᮬ".
which   is  the  "virus"  described
above.                                 

  Information Service Department               ଠ樮 㦡
       DialogueScience,Inc.                       "㪠"

                    E-mail: Antivir@DialogNauka.ru
                       http://www.DialogNauka.ru
