t$m files

[mudsharky]

I am seeing .t$m files showing up on my PC.

The all start with a string of random characters (like: $6AAC58CD.T$M), they are created once a day in c:/temp and are all about 222M in size. They seem to contain a tab separated text file database of folk's web searches (but not my searches!)!

The 1st line of each file is:
AnonID Query QueryTime ItemRank ClickURL

Each line (record?) then has:
an anon user ID tag
the search phrase
site visited
the time

I did scan for virus and spyware infections but nothing...
Any ideas?

Thx
R