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- @ECHO OFF
- REM ******************************************************************
- REM ***** MCAFEE EMERGENCY BOOT DISKETTE VERSION 1.0 *****
- REM ******************************************************************
-
- REM **** HOUSE KEEPING ****
- SET ERROR17=0
- SET ERROR10=0
- CLS
-
- REM ******************************************************************
- REM **** MAKE SURE ALL THE FILES ARE HERE ******
- REM ******************************************************************
- A:\SELFCHEK.EXE A:\PACKING.LST Validation codes:
- IF NOT ERRORLEVEL 1 GOTO SelfCheckOK
-
- ECHO One or more of the required files are missing from this diskette.
- ECHO Please check the PACKING.LST file against the directory listing
- ECHO to ensure they are present. If files are missing then this
- ECHO diskette may have been tampered with or altered.
-
- A:\GETREPLY.EXE Do you wish to continue anyway (Y/N)? ;yn
- IF ERRORLEVEL 2 GOTO AbortSLFCHK
-
-
- :SelfCheckOK
- CLS
- ECHO [===============================================================]
- ECHO [ ]
- ECHO [ MCAFEE VIRUS REMOVAL TOOL ]
- ECHO [ ]
- ECHO [ THIS DISKETTE IS USED TO SIMPLIFY THE TASK OF REMOVING A ]
- ECHO [ VIRUS FROM YOUR COMPUTER. IT IS IMPORTANT TO ENSURE THAT ]
- ECHO [ YOU COLD BOOTED YOUR MACHINE BEFORE USING THIS DISKETTE. ]
- ECHO [ A COLD BOOT MEANS THAT THE POWER TO THE COMPUTER IS TURNED ]
- ECHO [ OFF AND THEN TURNED ON WITH THIS DISKETTE IN THE A: DRIVE. ]
- ECHO [ ]
- ECHO [===============================================================]
-
- A:\GETREPLY.EXE Did you cycle the power off and on (Y/N)? ;yn
- IF ERRORLEVEL 2 GOTO NoCyclePWR
-
- :DoScan
- REM ******************************************************************
- REM **** PERFORM THE SCAN
- REM ******************************************************************
-
- CLS
- ECHO MCAFEE WILL NOW PERFORM A SCAN OF ALL LOCAL DRIVES FOR VIRUSES
- ECHO AND ATTEMPT TO CLEAN ANY INFECTIONS THAT ARE FOUND. CERTAIN
- ECHO VIRUSES MAY REQUIRE YOU TO REBOOT AND PERFORM THIS SCAN AGAIN.
- ECHO IF THE SCAN STALLS FOR MORE THAN 30 SECONDS THEN TURN THE POWER
- ECHO OFF AND THEN BACK ON AGAIN WITH THIS DISKETTE IN THE A: DRIVE.
- PAUSE
-
- CLS
- SCAN /ADL /CLEAN /ALL /NOBREAK
- REM Scan C:\Infected /all /clean
- PAUSE
-
- :DoErrors
- REM ******************************************************************
- REM *** DO ERROR CHECKING
- REM ******************************************************************
- IF ERRORLEVEL 100 GOTO ErrorDOS
- IF ERRORLEVEL 19 GOTO VirusFound
- IF ERRORLEVEL 17 GOTO NoTarget
- IF ERRORLEVEL 16 GOTO BadAccess
- IF ERRORLEVEL 15 GOTO BadScanEXE
- IF ERRORLEVEL 14 GOTO Update
- IF ERRORLEVEL 13 GOTO VirusFound
- IF ERRORLEVEL 12 GOTO BadClean
- IF ERRORLEVEL 11 GOTO ProgError
- IF ERRORLEVEL 10 GOTO VirusInMemory
- IF ERRORLEVEL 8 GOTO MissingDat
- IF ERRORLEVEL 6 GOTO ProgError
- IF ERRORLEVEL 5 GOTO ProgError
- IF ERRORLEVEL 3 GOTO BadAccess
- IF ERRORLEVEL 2 GOTO BadDats
- IF ERRORLEVEL 1 GOTO BadAccess
- IF ERRORLEVEL 0 GOTO Nada
-
- REM ******************************************************************
- REM ****** ERROR CHECKING ROUTINES ******
- REM ******************************************************************
-
- :Nada
- REM ******************************************************************
- REM *** errorlevel 0
- REM ******************************************************************
- CLS
- IF %ERROR10%==1 GOTO ExitNoMem
- ECHO No viruses were found in memory, or on any local drives!
- ECHO You should remove this diskette and reboot your system.
- GOTO Exit
-
- :BadAccess
- REM ******************************************************************
- REM *** errorlevels 1, 3 & 16
- REM ******************************************************************
- CLS
- ECHO An error has occurred while trying to access one of your local
- ECHO drives. Please reboot the machine with this diskette in the A:
- ECHO drive and reattempt the procedure. If this error continues then
- ECHO it may be necessary to run some kind of disk diagnostic software
- ECHO on the drive before re-attempting the removal procedure.
- GOTO Exit
-
- :BadDats
- REM ******************************************************************
- REM *** errorlevel 2
- REM ******************************************************************
- CLS
- ECHO An error occurred while trying to read the data files. This could
- ECHO mean that either the diskette is damaged, has been modified or the
- ECHO floppy drive is slightly misaligned. If you have a second machine
- ECHO you could boot from this disk and verify if the floppy drive is OK.
- ECHO Since the diskette is write protected it is unlikely that the file(s)
- ECHO were modified unless the write-protection was forcefully over-ridden.
- GOTO Exit
-
- :ProgError
- REM ******************************************************************
- REM *** errorlevels 5, 6 and 11
- REM ******************************************************************
- CLS
- ECHO There has been a problem with the VirusScan program. This could
- ECHO be caused by a corrupted file, low memory or a conflict with a
- ECHO piece of hardware. It is also possible that a virus is active and
- ECHO interfering with the program. Please cold boot this system again
- ECHO with this disk and try the scan again. If this problem continues
- ECHO please consult your manual on how to get a new copy of this disk.
- GOTO Exit
-
- :MissingDat
- REM ******************************************************************
- REM *** errorlevel 8
- REM ******************************************************************
- CLS
- ECHO One or more of the following files are missing: SCAN.DAT, NAMES.DAT.
- ECHO There is a good chance that this diskette may have been modified.
- ECHO Please cold boot this system again with this disk and try the scan
- ECHO again. If this problem continues please consult your manual on how to
- ECHO get a new copy of this disk.
- GOTO Exit
-
-
- :VirusInMemory
- REM ******************************************************************
- REM *** errorlevel 10
- REM ******************************************************************
- CLS
- ECHO W A R N I N G
- ECHO .
- ECHO The signature of a virus was found in memory while performing
- ECHO the memory scan. It is unlikely that this disk is infected
- ECHO as long as the write protect tab on the diskette was never
- ECHO bypassed. There are other possibilities. You should check
- ECHO the boot sequence in CMOS. The hardware documentation that
- ECHO came with your computer should discuss how to access this area.
- ECHO Ensure that the sequence is A: first THEN C:.
- ECHO .
- ECHO It is also possible that you have a hard drive controller that
- ECHO is placing an IMAGE of the infected Boot Record into memory.
- ECHO If this is the case then the virus may not be active and could
- ECHO possibly be removed.
- A:\GETREPLY.EXE Would you like to attempt anyway (Y/N)? ;yn
- IF ERRORLEVEL 2 GOTO Exit
- GOTO ScanNOMEM
-
- :BadClean
- REM ******************************************************************
- REM *** errorlevel 12
- REM ******************************************************************
- CLS
- ECHO A problem has occurred in trying to clean a virus. Either the
- ECHO CLEAN.DAT file is missing or corrupted or VirusScan was unable to
- ECHO clean the virus. Please check this diskette with the Validate
- ECHO program included to make sure the files are all there and are not
- ECHO corrupted. If the files are ok, please cold boot the machine with
- ECHO this diskette and try the scan again. If the file will still not
- ECHO clean, you will need to delete them.
- ECHO The Packing.lst will now be displayed for you to compare the values
- ECHO from the Validate program. To use Validate, just type:
- ECHO VALIDATE {filename} and check the codes versus the Packing.lst
- PAUSE
- TYPE PACKING.LST
- GOTO Exit
-
- :VirusFound
- REM ******************************************************************
- REM *** errorlevels 13 and 19
- REM ******************************************************************
- CLS
- ECHO W A R N I N G
- ECHO .
- ECHO One or more viruses were found on this computer. In many cases the
- ECHO viruses were cleaned at the same time by the program. It is
- ECHO recommended that you cold boot this machine with this disk again
- ECHO and have it run another scan to insure that the computer is clean
- ECHO and no viruses were missed or were not cleaned.
- GOTO Exit
-
- :Update
- REM ******************************************************************
- REM *** errorlevel 14
- REM ******************************************************************
- CLS
- ECHO You're virus data files are getting old and you should update them
- ECHO This is not a major problem. However, there may be viruses on this
- ECHO machine that are not detectable by this version of the software.
- ECHO By updating your software you are getting the most protection
- ECHO possible. Please consult your manual for update information.
- GOTO Exit
-
- :BadscanEXE
- REM ******************************************************************
- REM *** errorlevel 15
- REM ******************************************************************
- CLS
- ECHO The self-check has failed. This may be caused by a damaged or
- ECHO modified SCAN.EXE file or problem with the floppy drive. First at
- ECHO the A:> prompt run VALIDATE SCAN.EXE and verify the validation code
- ECHO against the code in the PACKING.LST file. The PACKING.LST file will
- ECHO be displayed on exit.
- PAUSE
- GOTO AbortSLFCHK
-
- :NoTarget
- REM ******************************************************************
- REM *** errorlevel 17: Possible encrypting virus
- REM ******************************************************************
- IF %ERROR17%==1 GOTO EncManualRemove
- CLS
- ECHO Scan has reported that there is no target specified for scanning.
- ECHO This could be due to an encrypting virus or a possible hardware
- ECHO issue. Another scan will be attempted to remedy the situation.
- ECHO Please stand by...
- GOTO ScanCDrive
-
- :ErrorDOS
- REM ******************************************************************
- REM *** DOS Error
- REM ******************************************************************
- CLS
- ECHO A DOS error has occurred. Please consult your DOS manual for
- ECHO details or contact your DOS vendor for assistance.
- GOTO Exit
-
-
- REM ******************************************************************
- REM **** AUXILLARY PROCEDURES
- REM ******************************************************************
-
-
- :AbortSLFCHK
- REM ******************************************************************
- REM self check failed
- REM ******************************************************************
- CLS
- TYPE PACKING.LST
- GOTO Exit
-
- :NoCyclePwr
- REM ******************************************************************
- REM user said that he did not cycle the power off
- REM ******************************************************************
- CLS
- ECHO It is strongly recommended that you leave this diskette in the
- ECHO A: drive and turn the power to the computer off and then on. Some
- ECHO viruses are capable of surviving a warm boot or CTRL+ALT+DEL.
- GOTO Exit
-
- :ScanNOMEM
- REM ******************************************************************
- REM ***** ATTEMPT TO BYPASS MEMORY SCAN
- REM ******************************************************************
- CLS
- ECHO If no virus is found on the hard drive(s) then most likely the
- ECHO virus is active and it is a stealth type virus. If a virus is
- ECHO is found it is recommended that you boot to this diskette a second
- ECHO time to ensure that it is removed.
- SET ERROR10=1
- SCAN /ADL /CLEAN /ALL /NOMEM /NOBREAK
- GOTO DoErrors
-
- :ScanCDrive
- REM ******************************************************************
- REM *** Run scan on only the C: drive
- REM ******************************************************************
- SET ERROR17=1
- SCAN C: /CLEAN /NOBREAK
- GOTO DoErrors
-
- :EncManualRemove
- REM ******************************************************************
- REM *** The Scan C: /CLEAN didn't work
- REM ******************************************************************
- CLS
- ECHO The same error has occurred again. If this is due to a virus you
- ECHO may need to perform a manual removal in this case. It is also
- ECHO possible that you are experiencing some hardware issues. Try running
- ECHO a disk diagnostic program to see if it can clear up the problem.
- GOTO Exit
-
- :ExitNoMem
- REM ******************************************************************
- REM ***** EXIT AFTER USING NOMEM AND VIRUS WAS FOUND PREVIOUSLY
- REM ******************************************************************
- CLS
- ECHO Scan did not find a virus on the second pass. However, because a
- ECHO virus was found in memory it is possible that there is still a
- ECHO virus active on the hard drive. Again, it is unlikely that this
- ECHO disk is infected as long as the write protect tab on the was
- ECHO diskette was never bypassed. There are other possibilities.
- ECHO You should check the boot sequence in CMOS. The hardware
- ECHO documentation that came with your computer should discuss how to
- ECHO access this area. Ensure that the sequence is A: first THEN C:
- ECHO Try cold booting your system again using this diskette and run
- ECHO another scan. If a virus continues to show up in memory, then
- ECHO there may be a compatibility issue with some hardware in the
- ECHO computer.
- GOTO Exit
-
-
- :Exit
- echo exit
-
-
-