This is a typical tech support scam ran in India. They've been sapping money from oblivious people to solve non-existent viruses.
Chad W.'s review of US Global Tech earned 2 Very Helpful votes
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Empty.
It doesn't look like a professional service. Especially I didn't like their unfriendly customer...
I would give 0 stars if possible. Scammed me when I was trying to access my legit Norton account....