Scfilter Cid87d25e32ac0d4ef0b1e0502c6b7dfb77 ((hot)) Jun 2026

Not necessarily. Most of the time, this is just an internal tracking ID. However, if you see it in an unexpected place (e.g., a suspicious email or a URL you don’t recognize), it could indicate:

: In malware analysis, this CID (Component ID or Correlation ID) often appears when a sample triggers driver-level activity or when a sandbox (like Joe Sandbox scfilter cid87d25e32ac0d4ef0b1e0502c6b7dfb77

The scfilter cid87d25e32ac0d4ef0b1e0502c6b7dfb77 string identifies a specific smart card using the Microsoft Smart Card PnP Class Filter Driver, often causing issues when vendor-specific drivers are missing or outdated. Resolving this typically involves updating the driver via Device Manager, verifying the Smart Card service, or troubleshooting registry conflicts. For more troubleshooting information, visit Microsoft Learn . Smart Card Troubleshooting | Microsoft Learn Not necessarily

Scfilter for smart card doesn't work in Windows 7 - Microsoft Q&A Resolving this typically involves updating the driver via

to hide their traffic or gain higher-ring execution privileges (Ring 0).