Often paired with specific Card IDs like SCFILTER\CID_6202020201 or SCFILTER\CID_417374726964 depending on the physical card inserted. Microsoft (Standard Windows Component) Common Uses
Generic Smart card Driver for Gigabyte - To Be Filled By OEM scfilter\cid_87d25e32-ac0d-4ef0-b1e0-502c6b7dfb77
Security software (like Norton) sometimes flags scfilter.sys as a threat; however, it is a legitimate Windows system file. scfilter\cid_87d25e32-ac0d-4ef0-b1e0-502c6b7dfb77