blank records in file

I am experiencing a problem with our database files. We were recently hit
with a klez worm virus 2 weeks ago which did a number on our network and
mail server. We were able to do a full recovery with the exception of
rebuilding the mail server however I am now getting halts do to the fact
that our databas file are being filled with blank records!! We do not write
to these files as they are maually updated tables. For example, I have a
court location file which should have a total of 10 entries-after receiving
an error in the sys op Q stating that my array isn't large enough to handle
the file which it refers to. Upon examining the file I notice that we have
900-1000 records which are blank in addtion to the existing 10!! I don't
believe that klez could affect os/400 or can it?

Thanks



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