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NCSA Virus Report #101
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? VIRUS REPORT ?
? Ohio ?
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Date of Origin: May, 1989.
Place of Origin: First reported at Ohio State University. May have
originated in Indonesia.
Host Machine: PC compatibles.
Host Files: Remains resident. Infects 360K floppy boot sector.
Increase in Size of Infected Files: n/a.
Nature of Damage: Corrupts or overwrites boot sector.
Detected by: Scanv56+, F-Prot, IBM Scan, Pro-Scan.
Removed by: MDisk, F-Prot, or DOS SYS command.
Derived from: May be an original. Den Zuk may have been derived from it.
Scan Code: see below.
The Ohio virus is a boot sector virus first discovered at Ohio State
University by Terry Reeves in May, 1989. It only infects 360K floppies.
It will infect any new diskette as soon as the diskette is accessed
(COPY, DIR, DEL, program load, etc.), similar to the Brain. The virus
will freeze the system if a <<Ctrl>><<Alt>><<Del>> is pressed and a cold
boot is then required. When the virus activates, the first copy of the
FAT becomes corrupted. No other symptoms have been reported.
The Ohio virus is similar in many respects to the Den Zuk virus, and
may be an early version of Den Zuk. A diskette infected with Ohio will be
immune to infection by the Pakistani Brain virus.
The following text strings appear in the Ohio virus:
V I R U S
b y
The Hackers
Y C 1 E R P
D E N Z U K 0
Bandung 40254
Indonesia
(C) 1988, The Hackers Team....
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? This document was adapted from the book "Computer Viruses", ?
? which is copyright and distributed by the National Computer ?
? Security Association. It contains information compiled from ?
? many sources. To the best of our knowledge, all information ?
? presented here is accurate. ?
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? Please send any updates or corrections to the NCSA, Suite 309, ?
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? detailed information on over 145 viruses, can be obtained from ?
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? The document is copyright © 1990 NCSA. ?
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? This document may be distributed in any format, providing ?
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