acpi.sys - Suspicious (58/100) - DriverShield Analysis
Analysis of acpi.sys: suspicious verdict, risk score 58/100. 2 YARA matches, 0/74 multi-engine detections. SHA256 67d6b8d7b0fd4e35. Kernel imports, IOCTL codes, MITRE ATT&CK, and code-signing details.
acpi.sys - Analysis Report
DriverShield analyzed the Windows kernel driver acpi.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 | 2 |
| Multi-engine detections | 0 / 74 |
| File size | 873960 bytes |
| Code-signing signer | Microsoft Windows |
| Analyzed | 2026-07-19 |
| SHA256 | 67d6b8d7b0fd4e356bcfa060e0862f9fca51ad541488c62891d55d97bbd9a5cc |
| SHA1 | 2de878614ae76c1e4b86b8fb87d80fb9f3d308a4 |
| MD5 | 8cf3b7fb06b77ad8456e6a075fce25b0 |
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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