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- ┌─────────────────────────────┐
- │ VIRUS REPORT │
- │ Icelandic Virus Version 3 │
- └─────────────────────────────┘
-
- Synonyms: December 24th virus
-
- Date of Origin: December, 1989.
-
- Place of Origin: Iceland.
-
- Host Machine: PC compatibles.
-
- Host Files: Remains resident. Infects EXE files.
-
- OnScreen Symptoms: The message "Gledelig jol" may appear on December 24.
-
- Increase in Size of Infected Files: 843, 853, or 863 bytes.
-
- Nature of Damage: Affects system run-time operation. Corrupts program
- files.
-
- Detected by: Scanv57+, F-Prot, IBM Scan, Pro-Scan.
-
- Removed by: CleanUp, Scan/D, or F-Prot, or delete infected files.
-
- Derived from: Icelandic virus.
-
- Scan Code: May be identified by the last four bytes of an infected
- program, "1844,195F"H -- a reversal of the ID of Icelandic I and II. You
- can also search at offset 106H for 2E C6 06 6F 02 0A 90 50 53 51.
-
- The Icelandic-III virus is very similar to the Icelandic Virus, from
- which it was adapted. There are minor changes including the addition of
- several NOP instructions.
-
- This virus will not infect any program previously infected by
- Icelandic or Icelandic-II.
-
- If an infected program is run on December 24th of any year, programs
- subsequently run will be stopped, later displaying the message "Gledileg
- jol" ("Merry Christmas" in Icelandic) instead.
-
-
- ╔════════════════════════════════════════════════════════════════════╗
- ║ 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. ║
- ║ ║
- ║ Please send any updates or corrections to the NCSA, Suite 309, ║
- ║ 4401-A Connecticut Ave NW, Washington, DC 20008. Or call our BBS ║
- ║ and upload the information: (202) 364-1304. Or call us voice at ║
- ║ (202) 364-8252. This version was produced May 22, 1990. ║
- ║ ║
- ║ The NCSA is a non-profit organization dedicated to improving ║
- ║ computer security. Membership in the association is just $45 per ║
- ║ year. Copies of the book "Computer Viruses", which provides ║
- ║ detailed information on over 145 viruses, can be obtained from ║
- ║ the NCSA. Member price: $44; non-member price: $55. ║
- ║ ║
- ║ The document is copyright (c) 1990 NCSA. ║
- ║ ║
- ║ This document may be distributed in any format, providing ║
- ║ this message is not removed or altered. ║
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