FAQ << >>

Is a system on which CHKDSK reports 639K (or less) total memory infected ?

If CHKDSK displays 639K total memory then it is probably due to reasons other than a virus since there are very few viruses which take only 1K from total memory. This can be due to

If you do not have any of the above mentioned setup OR if you are missing 2K or more of RAM, then there is a chance of viral infection.