kbldfltr.sys - Suspicious (58/100) - DriverShield Analysis
Analysis of kbldfltr.sys: suspicious verdict, risk score 58/100. 0 YARA matches. SHA256 e36e3f1d00dc139a. Kernel imports, IOCTL codes, MITRE ATT&CK, and code-signing details.
kbldfltr.sys - Analysis Report
DriverShield analyzed the Windows kernel driver kbldfltr.sys and assigned a verdict of Suspicious with a composite risk score of 58/100, indicating some risk signals warranting review (30-59 band).
| Verdict | Suspicious (58/100) |
| YARA matches | 0 |
| File size | 30088 bytes |
| Code-signing signer | Microsoft Windows |
| Analyzed | 2026-03-22 |
| SHA256 | e36e3f1d00dc139a70d906c89f3096de0433211cf652be338e84c16332a20a8c |
| SHA1 | 19fa95748320fe9c83c799c0f304ced2da18572a |
| MD5 | a7d9c5cad694ffb8711bf447534d7933 |
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.
Related:
Other drivers signed by Microsoft Windows · Browse the full driver database · CVE library · code signing atlas · BYOVD research index · security glossary
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