Você pode usar o Autoruns de sysinternals para verificar os drivers
de Usando o Autoruns para validar drivers do sistema
Validate drivers: This step checks non-Microsoft drivers. According to the Windows Sysinternals Administrator’s Reference, “Verifying a digital signature associated with that file gives a much higher degree of assurance of the file’s authenticity and integrity.” Note: When a driver is verified, the Publisher field changes from the company name to the name on the signed certificate. 1.Click the Drivers tab and look for drivers that are “Not Verified”. This will show up in the Publisher field.
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3.If any of the drivers are highlighted and come up as “Not Verified” in the Publisher field, then the driver does not have a digital signature.