旼컴컴컴컴컴컴컴컴컴컴컴컴컴컴� � VIRUS REPORT � � Halloechen Virus � 읕컴컴컴컴컴컴컴컴컴컴컴컴컴컴� Place of Origin: West Germany Host Machine: PC compatibles. Host Files: COM and EXE files. Memory resident. OnScreen Symptoms: keyboard input will appear garbled. Increase in Size of Infected Files: 2,011 bytes. Detected by: Scanv57+. Removed by: delete infected files or run Scan/D. First reported by Christoff Fischer of the University of Karlsruhe, West Germany. It is now widespread in West Germany. When an infected program is run, Halloechen installs in memory. From memory, it infects any EXE or COM which is run, providing the program is less than about 62K in size, and has a file date outside the current system date's month. During the infection, the file's size is increased to a multiple of 16, then the 2,011 bytes of virus code are added to it. �袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴� � 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. � 훤袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴暠  Downloaded From P-80 International Information Systems 304-744-2253