To enable file and folder completion for one use of the command processor,
type CMD /F:ON, which sets the file completion character to CTRL+F and the
path completion to CTRL+D. To disable it for the current session, type CMD
/F:OFF.

To set file name completion via the registry, use Regedt32 to navigate to:

HKEY_CURRENT_USER\SOFTWARE\Microsoft\Command Processor

Edit or Add Value name CompletionChar as a REG_DWORD data type. A data value
of 0 turns off filename completion.
A data value in the range of 0x1 - 0x1F turns it on, where the data value is
the ASCII control character.
A data value of 0x4 is CTRL+D, while 0x6 is CTRL+F.

To set path completion, Edit or Add Value name PathCompletionChar as a
REG_DWORD data type. A data value of 0 turns off path completion.
A data value in the range of 0x1 - 0x1F turns it on, where the data value
is the ASCII control character.
A data value of 0x4 is CTRL+D, while 0x6 is CTRL+F.

NOTE: Both these Value Names can also be configured at HKEY_LOCAL_MACHINE.
HKEY_CURRENT_USER takes precedence.

NOTE: When you press the file or path completion, the first matching entry
appears. Pressing it again retrieves the next entry in the list.
To go backwards, press SHIFT+<completion-character>.

awk '/INFECTED/ { print $8}' /var/log/maillog.1 | \
sed -e 's,(\(.*\))\,,\1,' | sort | uniq -c | sort -nr

Otra opicion:
-------------------------------------------------------------------

valerts=/var/mail/virtual/unsec.net/virusalert
var1=`grep "Subject: VIRUS" $valerts | sed -e 's,.*(\(.*\)).*,\1,g' \
| sort | uniq -c| sort -nr`
var2=`grep -A1 'The message WAS NOT delivered to' $valerts | \
grep -e '^<.*:$' | sed -e 's,<\(.*\)>:,\1,' \
| sort | uniq -c | sort -nr`
var3=`echo "$var1" | awk '{ print $1 }' | tr '\n' '+' | sed -e s,.$,,`
var4=$(( $var3 ))
echo " "
echo ".:[ Estadisticas generales ]:."
echo "------------------------------"
echo "Numero total de mails infectados: $var4"
echo " "
echo ".:[ Virus encontrados ]:."
echo "-------------------------"
echo "$var1"
echo " "
echo ".:[ Recipientes con mas virus ]:."
echo "---------------------------------"
echo "$var2"

Si no os dejan añadir y quitar programas, podeis cambiarlo en:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Uninstall]
Key NoAddRemovePrograms tiene que estar a 0