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Windows used _NSAKEY (and another key) to check that Cryptographic Service Providers are signed. Otherwise it wouldn't allow them to be used. This was explained

Windows used _NSAKEY (and another key) to check that Cryptographic Service Providers are signed. Otherwise it wouldn't allow them to be used. This was explained in the article.

xg15 7y ago
Ah, apologies. I didn't catch that part.
- ryanlol 7y ago
  Although, this still fails to explain the mechanism via which such Cryptographic Service Provider would land on your computer (assuming this is still supposed to be a backdoor).