                        Virus Information Summary List
                           Authorized Agent Listing
                                 May 15, 1991


The author of the Virus Information Summary List can be contacted directly as
indicated below for service, sales, and support of the Virus Information
Summary List, or for information about becoming a North American VSUM agent.

              Patricia M. Hoffman
              1556 Halford Avenue #127            Telephone: 1 (408) 246-3915
              Santa Clara, CA 95051               Fax:       1 (408) 246-3915
              USA


In order to provide service, sales, and support for the Virus Information
Summary List around the world, an Authorized Agent program has been
established.  Authorized agents are listed below by country.  If you do not
see an agent in your country, or for information about becoming a VSUM
international agent, please contact:

              Jim Lynch, International Marketing Manager
              c/o Patricia M. Hoffman             Telephone: 1 (408) 727-7966
              1556 Halford Avenue, #127           Fax:       1 (408) 727-7967
              Santa Clara, CA 95051
              USA


AUSTRALIA:    Computerware For Micros       Contact:   Priestly Hillam
              23 Magill Road, Stepney       Telephone (Main Office):
              Adelaide 5096                               +61 (08) 362-8200
                                            Fax (Main):   +61 (08) 363-1974
                                            BBS (Main):   +61 (08) 363-4293
                                            Telephone (Sydney):
                                                          +61 (02) 661-6832
                                            BBS (Sydney): +61 (02) 661-7120
                                            National Toll-free: 008 882-875


              Computer Virus Clinic         Contact:   Colin Keeble
              P.O. Box 106                  Telephone: +61 (02) 822-4303
              Moorebank, N.S.W. 2170        Fax:       +61 (02) 822-4304


FINLAND:      SAFECO OY                     Contact:   Hannu Ohrling
              Kirvuntie 22                  Telephone: +358-0-512110
              02140 Espoo                   Fax:       +358-0-515151


FRANCE:       VIF "La Pepiniere"            Contact:   Pascal Jour
              111, avenue de LODEVE         Telephone: +(33)67-58-18-36
              34000 Montpellier             Fax:       +(33)67-58-26-61


GERMANY:      NoVIR Datentechnik GmbH       Contact:   Peter Boehm
              Hochofenstr. 19-21            Telephone: +49 (0) 451-306066
              2400 Lbeck 14                            +49 (0) 451-306067
                                                       +49 (0) 451-306068
                                            Fax:     : +49 (0) 451-309600
                                            BTX      : *NoVir#


              K.-H. Kitroschat,             Contact:   Karl-Heinz Kitroschat
                   Engineering Office       Telephone: +49 2104-48626
              Naabstr. 9                    Fax:       +49 2104-48626
              W 4006 Erkrath


              Kirschbaum Software, GmbH     Contact:   Josef Kirschbaum
              Kronau 15                     Telephone: +49 (0) 8067-1016
              W 8091 Emmering b. Wbg.       Fax:       +49 (0) 8067-1053
              Note: German Translation Only


SWEDEN:       Virus Help Center             Contact:   Mikael Larsson
              Box 1237                      Telephone: +46 (0) 26-100518
              S 801 37 Gavle                Fax:       +46 (0) 26-275720
                                            BBS:       +46 (0) 26-275710


SWITZERLAND:  Computer Concepts             Contact:   Marcus Laeubli
              Postfach 104                  Telephone: +(41) 1 945-5970
              8606 Naenikon                 Fax:       +(41) 1 945-4903


NORTH AMERICA  (United States & Canada):

              Rubicon Systems Inc.          Contact:   Bill Groover
              11919 North Jantzen Ave.,     Telephone: 1 (503) 289-0083
                   Suite 333                Fax:       1 (503) 285-4663
              Portland, OR  97217
              USA                           


              VacciVirus                    Contact:   Roger Aucoin
              84 Hammond Street             Telephone: 1 (617) 893-8282
              Waltham, MA  02154            Fax:       1 (617) 969-0385
              USA

