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                    і        VIRUS REPORT         і
                    і         Jerusalem-B         і
                    АДДДДДДДДДДДДДДДДДДДДДДДДДДДДДЩ

Synonyms: Arab Star, Black Box, Black Window, Hebrew University

Host Machine: PC compatibles.

Host Files: Remains resident. Infects SYS, COM, EXE, overlay files.

Increase in Size of Infected Files: 1808 bytes (EXE files), 1813 bytes
(COM files). Sometimes does not re-infect EXE files.

Nature of Damage: Affects system run-time operation. Corrupts program
files.

Detected by: Scanv56+, F-Prot, IBM Scan.

Removed by: CleanUp, F-Prot, Saturday, M-Jruslm, UnVirus.

Derived from: Jerusalem virus.

     This virus is identical to the Jerusalem except:

*   it is sometimes able to successfully identify pre-existing
    infections in EXE files and may only infect them once.

*   It may not slow the system after infection.

     It is easily the most common of all PC viruses. It can infect SYS,
COM, EXE, and overlay files.


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є  This document was adapted from the book "Computer Viruses",       є
є  which is copyright and distributed by the National Computer       є
є  Security Association. It contains information compiled from       є
є  many sources. To the best of our knowledge, all information       є
є  presented here is accurate.                                       є
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є  Please send any updates or corrections to the NCSA, Suite 309,    є
є  4401-A Connecticut Ave NW, Washington, DC 20008. Or call our BBS  є
є  and upload the information: (202) 364-1304. Or call us voice at   є
є  (202) 364-8252. This version was produced May 22, 1990.           є
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є  The NCSA is a non-profit organization dedicated to improving      є
є  computer security. Membership in the association is just $45 per  є
є  year. Copies of the book "Computer Viruses", which provides       є
є  detailed information on over 145 viruses, can be obtained from    є
є  the NCSA. Member price: $44; non-member price: $55.               є
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є            The document is copyright (c) 1990 NCSA.                є
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є  This document may be distributed in any format, providing         є
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