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NCSA Virus Report #127
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? VIRUS REPORT ?
? TP38VIR virus ?
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Host Machine: PC compatibles.
In this version .COM and .EXE files are handled differently. The
virus is able to avoid many of "virus protection" programs which are
watching the use of "dangerous" interrupts. If the virus is active in
memory, and an infected file is loaded for debugging with CodeView, then
the virus removes itself from the file. Because the virus extracts
itself during loading with Codeview, this is a method of cleaning an
infected file.
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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. ?
? ?
? 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 © 1990 NCSA. ?
? ?
? This document may be distributed in any format, providing ?
? this message is not removed or altered. ?
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