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**                                                                  **
**  What's New in the NAV Virus Definitions Files      WHATSNEW.TXT **
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**  Symantec AntiVirus Research Center (SARC)     September 1, 1997 **
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This document contains the following topics:

 * Update Overview
 * Virus Alerts
 * Changes Incorporated Into This Update
 * Additional Information


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** Update Overview                                                  **
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With 128 new viruses included in September's update, macro viruses
continue to predominate, although trojans and boot infectors appear
be on the rise.  Most new macro definitions, though, are simply
variants of previously existing ones.


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** Virus Alerts                                                     **
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The ten most commonly reported viruses, worldwide:

    1  WM.Concept
    2  Form.A
    3  One_Half.3544
    4  AntiEXE.A
    5  Stoned.Empire.Monkey.A
    6  Junkie
    7  Sat_Bug.Natas.4744
    8  AntiCMOS.A
    9  Natas.4744
   10  WM.Wazzu

Be on the alert for the following viruses in the following regions:

    AntiCMOS.A                    USA, Europe
    AntiEXE                       USA, Europe, India, Japan
    Jumper                        Southern Europe
    Junkie                        Europe, Asia and Australia
    NYB                           North America
    One_Half                      Europe, India and Mexico
    Parity_Boot                   Central and Northern Europe
    Sat_Bug.Natas                 Central and South America
    WM.Concept                    Worldwide
    WM.Wazzu                      Worldwide


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** Changes Incorporated Into This Virus Definitions Update          **
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New virus definitions:

        AOL Trojan 0797A (1)    File Infector
        AOL Trojan 0797A (2)    File Infector
        AOL Trojan 0797A (3)    File Infector
        Berserker.3537          File Infector
        DeltaX.1006             File Infector
        Ginger.2774 (b)         Boot Infector
        INT12                   Boot Infector
        Midsummer               Boot Infector
        PWSTEAL.Trojan (6)      File Infector
        PWSTEAL.Trojan (7)      File Infector
        PWSTEAL.Trojan (8)      File Infector
        Ravage (b)              Boot Infector
        TargetPoppy.532         File Infector
        Unkempt.1342            File Infector
        WM.Alex.C:Tw            File Infector
        WM.Alex.E:Tw            File Infector
        WM.Anak.B               File Infector
        WM.Anak.C               File Infector
        WM.Angel.A              File Infector
        WM.Ant.C:Tw             File Infector
        WM.Ant.D:Tw             File Infector
        WM.Appder.J             File Infector
        WM.Archer.A             File Infector
        WM.Archer.B             File Infector
        WM.Bandung.AU           File Infector
        WM.Bandung.AX           File Infector
        WM.Bandung.AY           File Infector
        WM.Bandung.AZ           File Infector
        WM.Bandung.BA           File Infector
        WM.Barbaro.A:It         File Infector
        WM.Black.A              File Infector
        WM.Box.C:Tw             File Infector
        WM.Cap.AA               File Infector
        WM.Cap.Z                File Infector
        WM.Chaos.B              File Infector
        WM.Cheat.A              File Infector
        WM.Cheat.B              File Infector
        WM.Clock.J              File Infector
        WM.Colors.BM            File Infector
        WM.Concept.BC           File Infector
        WM.Concept.BD           File Infector
        WM.Concept.BE           File Infector
        WM.Concept.BF           File Infector
        WM.Concept.BG           File Infector
        WM.Concept.BH           File Infector
        WM.DMV.G                File Infector
        WM.Dub.A                File Infector
        WM.DZT.G                File Infector
        WM.FormatS.A            File Infector
        WM.Friday.D             File Infector
        WM.Friday.E:De          File Infector
        WM.Goodnight.C          File Infector
        WM.Helper.F             File Infector
        WM.Helper.G             File Infector
        WM.Helper.H             File Infector
        WM.Hitman.A             File Infector
        WM.Hou.A:Tw             File Infector
        WM.Hybrid.I             File Infector
        WM.KillLuf.A            File Infector
        WM.Lucy.A               File Infector
        WM.MDMA.W               File Infector
        WM.MDMA.X               File Infector
        WM.MDMA.Y               File Infector
        WM.Minimal.Q            File Infector
        WM.Minimal.R            File Infector
        WM.Muck.I               File Infector
        WM.Muck.J               File Infector
        WM.Mulai.A              File Infector
        WM.Niceday.N            File Infector
        WM.NoForce.A            File Infector
        WM.Nop.M:De             File Infector
        WM.Npad.CI              File Infector
        WM.Npad.CJ              File Infector
        WM.Npad.CK              File Infector
        WM.Npad.CL              File Infector
        WM.Npad.CM              File Infector
        WM.Npad.CN              File Infector
        WM.Npad.CO              File Infector
        WM.Npad.CP              File Infector
        WM.Npad.CQ              File Infector
        WM.Npad.CR              File Infector
        WM.Npad.CS              File Infector
        WM.Nuclear.O            File Infector
        WM.Nuclear.P            File Infector
        WM.Nuclear.Q            File Infector
        WM.Nuclear.R            File Infector
        WM.Obay.A               File Infector
        WM.Oblom.A              File Infector
        WM.Oblom.B              File Infector
        WM.Oblom.C              File Infector
        WM.Oblom.D              File Infector
        WM.PayCheck.E           File Infector
        WM.Paycheck.F           File Infector
        WM.PayCheck.G           File Infector
        WM.Pig.F:Tw             File Infector
        WM.Random.A             File Infector
        WM.Razer.A              File Infector
        WM.Sam.B:Tw             File Infector
        WM.Schumann.A:De        File Infector
        WM.Schumann.C:De        File Infector
        WM.Screw.A              File Infector
        WM.ShowOff.BT           File Infector
        WM.ShowOff.BU           File Infector
        WM.ShowOff.BV           File Infector
        WM.ShowOff.BW           File Infector
        WM.Spy.A                File Infector
        WM.Switcher.C           File Infector
        WM.Switcher.D           File Infector
        WM.Tear.B               File Infector
        WM.Temple.C             File Infector
        WM.TWNO.Z:Tw            File Infector
        WM.Vampire.C:Tw         File Infector
        WM.Vampire.D:Tw         File Infector
        WM.Vampire.E:Tw         File Infector
        WM.Vampire.F:Tw         File Infector
        WM.Vampire.G:Tw         File Infector
        WM.Vampire.H:Tw         File Infector
        WM.Vampire.I:Tw         File Infector
        WM.Vicinity.C:De        File Infector
        WM.Viva.A               File Infector
        WM.Wazzu.CJ             File Infector
        WM.Wazzu.CK             File Infector
        WM.Wazzu.CL             File Infector
        WM.Wazzu.CM             File Infector
        WM.Wazzu.CN             File Infector
        WM.Wazzu.CO             File Infector
        WM.ZMB.A:De             File Infector
        XM.Laroux.E             File Infector

Deletions:

        RustyBug.5850           File Infector
        Ginger.2774             Boot Infector

Name Changes:

        WM.DNTC.A   to  WM.Concept.BB
        WM.Date.C   to  WM.Divina.G
        WM.Date.D   to  WM.Divina.H

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**  Additional Information                                          **
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Additional information regarding this virus definitions update can be
found in UPDATE.TXT and TECHNOTE.TXT.
