Analysis of ybvqrlfhyjbccmdn.sys: clean verdict, risk score 13/100. 0 YARA matches, 0/75 multi-engine detections. SHA256 81c3b817e74b80a8. Kernel imports, IOCTL codes, MITRE ATT&CK, and code-signing details.
DriverShield analyzed the Windows kernel driver ybvqrlfhyjbccmdn.sys and assigned a verdict of Clean with a composite risk score of 13/100, indicating no notable risk signals (0-29 band).
| Verdict | Clean (13/100) |
| YARA matches | 0 |
| Multi-engine detections | 0 / 75 |
| File size | 1632448 bytes |
| Code-signing signer | Microsoft Windows Hardware Compatibility Publisher |
| Analyzed | 2026-06-16 |
| SHA256 | 81c3b817e74b80a8f8e789b2eec1d608b17de9beedeb408f24d427cf64a8d03a |
| SHA1 | cf0c8ddb6398d09c7cd84b68e30aec490c77768e |
| MD5 | 926bc77147a1916f81a04c848fbd8a2e |
Each component is scored 0-100 and then weighted into the composite. See the analysis methodology for the exact formula.
| Component | Sub-score |
|---|---|
| Multi-engine consensus | 0 / 100 |
| YARA signature matches | 0 / 100 |
| Dangerous kernel imports | 0 / 100 |
| IOCTL dispatch surface | 100 / 100 |
| Known-vulnerable corpus | 0 / 100 |
| Code-signing state | 0 / 100 |
| Packing and entropy | 0 / 100 |
| Dynamic behaviour | 0 / 100 |
| CVE cross-reference | 0 / 100 |
Control codes reachable through the driver dispatch routine. Codes tied to published exploit code are flagged, since they are the primary Bring Your Own Vulnerable Driver (BYOVD) entry points.
| Code | Severity | Transfer | Description |
|---|---|---|---|
| 0x0080840F | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #259 |
| 0x0022BEFF | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #4031 |
| 0x008085C7 | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #369 |
| 0x0080808B | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #34 |
| 0x00802D4B | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #2898 |
| 0x0022010F | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #67 |
| 0x00220113 | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #68 |
| 0x00220117 | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #69 |
| 0x0022011B | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #70 |
| 0x0022011F | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #71 |
| 0x00220123 | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #72 |
| 0x00220127 | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #73 |
| 0x0022012F | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #75 |
| 0x00220133 | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #76 |
| 0x00220137 | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #77 |
| 0x0022013F | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #79 |
| 0x00220143 | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #80 |
| 0x00220173 | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #92 |
| 0x0022019B | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #102 |
| 0x002201AB | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #106 |
| 0x002201AF | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #107 |
| 0x002201B3 | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #108 |
| 0x002201C3 | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #112 |
| 0x002201C7 | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #113 |
Showing 24 of 40 extracted control codes.
Section layout and Shannon entropy. High entropy in a code section is a packing or encryption indicator.
| Section | Virtual size | Raw size | Entropy | Flags |
|---|---|---|---|---|
| .text | 0x12F7D | 0x13000 | 6.4 | CODE, EXEC, READ |
| .rdata | 0x6EA90 | 0x6EC00 | 4.93 | IDATA, READ |
| .data | 0x14A758 | 0x107E00 | 0.01 | IDATA, READ, WRITE |
| .pdata | 0x0618 | 0x0800 | 4.09 | IDATA, READ |
| .edata | 0x0053 | 0x0200 | 0.99 | IDATA, READ |
| INIT | 0x00BE | 0x0200 | 2.23 | CODE, EXEC, READ, DISCARD |
| .rsrc | 0x0010 | 0x0200 | 0 | IDATA, READ, DISCARD |
| .reloc | 0x13A4 | 0x1400 | 6.74 | IDATA, READ, DISCARD |
| Control Flow Guard | Enabled |
|---|---|
| ASLR | Enabled |
| DEP | Enabled |
| Integrity check | Not enforced |
| Mitigation score | 100 / 100 |
Techniques this driver could enable if loaded by an adversary.
| ID | Technique | Tactic |
|---|---|---|
| T1543.003 | Windows Service | Persistence |
| T1569.002 | Service Execution | Execution |
| T1652 | Device Driver Discovery | Discovery |
| Signer | Microsoft Windows Hardware Compatibility Publisher |
|---|---|
| Signer organisation | Microsoft Corporation |
| Issuer | Microsoft Windows Third Party Component CA 2014 |
| Serial | 3300000074FF3D4A9E7C401E86000000000074 |
| Valid from | 2025-07-16 20:48 UTC |
| Valid until | 2026-07-14 20:48 UTC |
| Signature validity | Verified |
Engine angr, status completed, 100 paths explored at a maximum depth of 100. Vulnerability classes reached: 0. Exploitable paths: 0.
Based on DriverShield static and dynamic analysis, ybvqrlfhyjbccmdn.sys is assessed as clean, with no notable risk signals. Its composite risk score is 13/100 (verdict: clean). Always validate findings independently before acting.
ybvqrlfhyjbccmdn.sys has a DriverShield composite risk score of 13/100, placing it in the clean verdict band. SHA256: 81c3b817e74b80a8f8e789b2eec1d608b17de9beedeb408f24d427cf64a8d03a.
ybvqrlfhyjbccmdn.sys is a Windows kernel-mode driver (.sys) analyzed by DriverShield for vulnerabilities, BYOVD abuse potential, and malware indicators. It is code-signed by Microsoft Windows Hardware Compatibility Publisher.
Related: Other drivers signed by Microsoft Windows Hardware Compatibility Publisher · What an IOCTL dispatch code is · BYOVD research index · full driver database · CVE library · code signing atlas