circlass.sys - Clean (15/100) - DriverShield Analysis
Analysis of circlass.sys: clean verdict, risk score 15/100. 0 YARA matches. SHA256 564fa08c5bec6daf. Kernel imports, IOCTL codes, MITRE ATT&CK, and code-signing details.
circlass.sys - Analysis Report
DriverShield analyzed the Windows kernel driver circlass.sys and assigned a verdict of Clean with a composite risk score of 15/100, indicating no notable risk signals (0-29 band).
| Verdict | Clean (15/100) |
| YARA matches | 0 |
| File size | 52224 bytes |
| Analyzed | 2026-03-22 |
| SHA256 | 564fa08c5bec6daf1a83c80c9139a6e1aa7e05d251db3ba379b57c9fdae83e1b |
| SHA1 | 89c772a291ac5097a741ac0d240358c322c5b3d5 |
| MD5 | 115cc1e142ce29c9006d59943108df47 |
The full report includes the kernel Import Address Table, extracted IOCTL dispatch codes, YARA rule names, MITRE ATT&CK technique mapping, and the Authenticode certificate chain. See the analysis methodology for how the risk score is computed, or browse the driver database for related samples.
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