Analysis of Dbgv.sys: clean verdict, risk score 23/100. 0 YARA matches, 0/76 multi-engine detections. SHA256 077ca411c27bcdde. Kernel imports, IOCTL codes, MITRE ATT&CK, and code-signing details.
DriverShield analyzed the Windows kernel driver Dbgv.sys and assigned a verdict of Clean with a composite risk score of 23/100, indicating no notable risk signals (0-29 band).
| Verdict | Clean (23/100) |
| YARA matches | 0 |
| Multi-engine detections | 0 / 76 |
| File size | 23392 bytes |
| Code-signing signer | Microsoft Windows Hardware Compatibility Publisher |
| Analyzed | 2026-03-23 |
| SHA256 | 077ca411c27bcdde28ea7247f69ca9162f63574feae994a356e70052690f17f8 |
| SHA1 | 0a3f0cbd836b0576a03ee63d5ec4b21a37f6d012 |
| MD5 | fb9dae94030d4e62f4ab8d039e30af94 |
Version resource data embedded in the Dbgv.sys PE header, as extracted by the analysis engine.
| File description | Windows Debug Monitor |
|---|---|
| Product | Sysinternals DebugView |
| Company | Sysinternals |
| Original filename | dbgv.Sys |
| Internal name | dbgv.sys |
| File version | 4.75 |
| Copyright | Copyright (C) M. Russinovich 1998-2008 |
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 | 100 / 100 |
| IOCTL dispatch surface | 9 / 100 |
| Known-vulnerable corpus | 0 / 100 |
| Code-signing state | 80 / 100 |
| Packing and entropy | 0 / 100 |
| Dynamic behaviour | 0 / 100 |
| CVE cross-reference | 0 / 100 |
Kernel-mode APIs resolved from the Import Address Table of Dbgv.sys, ranked by exploitation relevance.
| API | Risk | Why it matters |
|---|---|---|
| MmMapLockedPagesSpecifyCache | critical | Highly dangerous - potential for arbitrary code execution, memory corruption, or process termination |
| MmGetSystemRoutineAddress | high | Potentially dangerous - could be used for privilege escalation or security bypass |
| ZwSetValueKey | medium | Moderate risk - system modification capability |
| IoDeleteSymbolicLink | low | Standard kernel API - generally benign |
| ZwOpenKey | low | Standard kernel API - generally benign |
| IoCreateDevice | low | Standard kernel API - generally benign |
| IoCreateSymbolicLink | low | Standard kernel API - generally benign |
| ZwClose | low | Standard kernel API - generally benign |
| ExAllocatePool | low | Standard kernel API - generally benign |
| ProbeForWrite | low | Standard kernel API - generally benign |
| RtlInitUnicodeString | low | Standard kernel API - generally benign |
| IofCompleteRequest | low | Standard kernel API - generally benign |
| IoDeleteDevice | low | Standard kernel API - generally benign |
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 |
|---|---|---|---|
| 0x0034DB0D | medium | METHOD_IN_DIRECT | FILE_DEVICE_DISK Function #1731 |
| 0x00347B0D | medium | METHOD_IN_DIRECT | FILE_DEVICE_DISK Function #3779 |
| 0x003402FC | medium | METHOD_BUFFERED | FILE_DEVICE_DISK Function #191 |
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 | 0x1FA5 | 0x2000 | 6.08 | CODE, EXEC, READ |
| .rdata | 0x071C | 0x0800 | 3.81 | IDATA, READ |
| .data | 0x1448 | 0x0200 | 1.22 | IDATA, READ, WRITE |
| .pdata | 0x01E0 | 0x0200 | 3.73 | IDATA, READ |
| INIT | 0x04F6 | 0x0600 | 4.46 | CODE, EXEC, READ, DISCARD |
| .rsrc | 0x0360 | 0x0400 | 2.85 | IDATA, READ, DISCARD |
| Control Flow Guard | Not enabled |
|---|---|
| ASLR | Enabled |
| DEP | Enabled |
| Integrity check | Enforced |
| Mitigation score | 60 / 100 |
Techniques this driver could enable if loaded by an adversary.
| ID | Technique | Tactic |
|---|---|---|
| T1003.001 | OS Credential Dumping: LSASS Memory | Credential Access |
| T1055.012 | Process Hollowing | Defense Evasion |
| T1068 | Exploitation for Privilege Escalation | Privilege Escalation |
| T1071 | Application Layer Protocol | Command and Control |
| T1211 | Exploitation for Defense Evasion | Defense Evasion |
| T1543.003 | Windows Service | Persistence |
| T1553.002 | Subvert Trust Controls: Code Signing | Defense Evasion |
| 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 2012 |
| Serial | 330000009484C47568579AAFE9000000000094 |
| Valid from | 2020-03-04 19:12 UTC |
| Valid until | 2021-03-03 19:12 UTC (expired) |
| Signature validity | Not verified |
Engine angr, status completed, 100 paths explored at a maximum depth of 100. Vulnerability classes reached: 0. Exploitable paths: 1.
Based on DriverShield static and dynamic analysis, Dbgv.sys is assessed as clean, with no notable risk signals. Its composite risk score is 23/100 (verdict: clean). Always validate findings independently before acting.
Dbgv.sys has a DriverShield composite risk score of 23/100, placing it in the clean verdict band. SHA256: 077ca411c27bcdde28ea7247f69ca9162f63574feae994a356e70052690f17f8.
Dbgv.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