┌─────────────────────────────┐
                    │        VIRUS REPORT         │
                    │         Jerusalem-B         │
                    └─────────────────────────────┘

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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║  This document was adapted from the book "Computer Viruses",       ║
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