stexstor.sys - Clean (9/100) - DriverShield Analysis
Analysis of stexstor.sys: clean verdict, risk score 9/100. 0 YARA matches. SHA256 766fd1e1d2f73de2. Kernel imports, IOCTL codes, MITRE ATT&CK, and code-signing details.
stexstor.sys - Analysis Report
DriverShield analyzed the Windows kernel driver stexstor.sys and assigned a verdict of Clean with a composite risk score of 9/100, indicating no notable risk signals (0-29 band).
| Verdict | Clean (9/100) |
| YARA matches | 0 |
| File size | 31032 bytes |
| Code-signing signer | Microsoft Windows |
| Analyzed | 2026-03-22 |
| SHA256 | 766fd1e1d2f73de202fb337f6a6a5ba0317772aaaa644e9103bb5df438162f51 |
| SHA1 | 535053509b1cdd9aa17fd50ed298ff2182d4be84 |
| MD5 | 09dc471b4573f3d01d7e448b526ae70a |
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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