Perhaps this virus blocks access to the registry. It is there but can not be seen. No?
Just a guess.
I just suggested backing up the critical data and reformatting to clean that drive completely. I am not doubting what you saw. Please do not misunderstand me or some of the others posting here. The priority I see is the data to save, and just make sure the computer, if you choose to accept my mission above, is protected and then later do some full scans anyway, even using some free online scanner to make sure the data is clean. Do not go by auto-protect alone.
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