spyware file location question

Hi All,

A few weeks back I did battle with Context Plus.
It really screwed up a clients laptop. And, yes, I
felt stupid when I found all I had to do was go to
add remove programs and remove it

While fighting it, I noticed that PC-cillin's
firewall kept prompting for access for a program
with no name ("C:\Program Files").

This week I noticed a customer with an obvious
piece of spyware having a similar PC-cillin
prompt to let out a program with only
a directory name and one of the directory names
had a question mark ("?") in it ("C:\Program
Files\Common Files\?dobe\...")

First, a program with no name; second a
program with no name and a directory with
a question mark in it.

Hmmmmm. Are these guys getting so cleaver
that they can run their garbage from deleted
areas of the hard drive? Anyone know what
is happening here? Is there a way to
defeat this, like destroying (overwriting) all
open space?

Many thanks
--Todd
.

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