How to Use Extra.Dat files
GroupShield Notes 4.02 and 4.5
1. At the Domino Server Console unload the following tasks:
GSScan
GSDScan
GSTmgr
By typing in the following: 
tell gsscan quit
tell gsdscan quit
tell gstmgr quit
2. Copy the extra.dat into the location where GroupShield is installed
The default location is: C:\Program Files\Network Associates\Groupshield
3. Restart the GroupShield Tasks by typing in the following order at the Server Console:
Load gstmgr
Load gsscan
Load gsdscan
Groupshield Exchange 4.0.4 & 4.5
1. Ensure that you are using the latest dat files available.
2. Place the extra.dat in the \Program files\Network Associates\Groupshield Exchange\i386 folder if Groupshield is running on an Intel machine 
Place the extra.dat in \Program files\Network Associates\Groupshield Exchange\Alpha if Groupshield is running on an Alpha machine.
3. Stop and restart the Groupshield Exchange service from the Control Panel.
Groupshield Exchange will now detect this virus and so prevent further infections.

How to Use Extra.Dat files
VirusScan NT 4.0.x
1. Open the control panel
2. Double click services
3. STOP Network Associates McShield
4. Copy the EXTRA.DAT File in the following location 
    <drive>:\Program Files\Network Associates\VirusScan NT\ 
    Alternatively search the computer for the following files:
Scan.Dat
Clean.Dat
Names.Dat
5. Copy the Extra.Dat into this location.
6. Start the McShield service again.
NetShield NT 4.0.x
1. Open the control panel
2. Double click services
3. STOP Network Associates McShield
4. Copy the EXTRA.DAT File in the following location 
<drive>:\Program Files\Network Associates\NSNT\ 
  a. Alternatively search the computer for the following files:
Scan.Dat
Clean.Dat
Names.Dat
  b. Copy the Extra.Dat into this location.
5. Start the McShield service again.
VirusScan NT & NetShield NT 4.5
1. Open the control panel
2. Double click services
3. STOP Network Associates McShield service
4. Copy the EXTRA.DAT File in the following location:
<drive>:\Program Files\Common Files\Network Associates\VirusScan Engine\4.0.xx\
  a  Alternatively search the computer for the following files:
Scan.Dat
Clean.Dat
Names.Dat
  b. Copy the Extra.Dat into this location. 
5. Start the McShield service again.

How to Use Extra.Dat files
VirusScan Win 9x 4.0.x
1. Copy the EXTRA.DAT File in the following location 
    <drive>:\Program Files\Network Associates\VirusScan\ 
    Alternatively search the computer for the following files:
Scan.Dat
Clean.Dat
Names.Dat
2. Copy the Extra.Dat into this location.
3. Reboot system
VirusScan Win 9x 4.5
1. Copy the extra.dat file into the following folder:
     <drive>:\Program Files\Common Files\Network Associates\VirusScan Engine\4.0.xx\
     Alternatively search the computer for the following files:
Scan.Dat
Clean.Dat
Names.Dat
2. Copy the Extra.Dat into this location. 
3. Reboot System