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The hpatchmon.dll (Hotpatch Monitoring Service) File Analysis

Updated 10 months ago
Checked by Malware Check
hpatchmon.dll

Technical Analysis

File Name hpatchmon.dll
File Type
PE32+ executable (DLL) (console) x86-64, for MS Windows
Scanner Version 1.0.221.174
Database Version 2025-07-22 07:00:24 UTC
✓

Clean File

No threats detected by our scanner

0%
Detection Rate
173,472
File Size (bytes)
2025-07-22
Analysis Date

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File Identification

Hash Type Value Action
MD5
5a66781b2ae70d113aea332352d6ee04
SHA1
c3ddddcf0b92d51bec4dd506d33f1df3f554eab9
SHA256
525f93e412bf179d703a5a66b91227a23bf5132f6134801965b005ff1a72537a
SHA512
09229d59368e7c7db6ff27a79b29cd0289b34f649bbee96e2237cbacedcbb14251340a0d858c391f318bb4ed26b134903adbb31340cce611730caf4af2882497
ImpHash
a28632f5bb27bf60592963465049a149

PE Analysis

Basic Information

▼
Image Base 0x180000000
Entry Point 0x1800020b0
Compilation Time 2020-06-05 19:44:43
Checksum 0x0002cdc6 (Actual: 0x0002cdc6)
OS Version 10.0
PEiD Signatures PE32+ executable (DLL) (console) x86-64, for MS Windows
PDB Path hpatchmon.pdb
Digital Signature OK
Imports 29 libraries
Exports 1 functions
Resources 4 Resources
Sections 7 Sections

Version Information

▼
CompanyName Microsoft Corporation
FileDescription Hotpatch Monitoring Service
FileVersion 10.0.26100.4484 (WinBuild.160101.0800)
InternalName hpatchmon.dll
LegalCopyright © Microsoft Corporation. All rights reserved.
OriginalFilename hpatchmon.dll
ProductName Microsoft® Windows® Operating System
ProductVersion 10.0.26100.4484
Translation 0x0409 0x04b0

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 101,776 bytes 102,400 bytes 6.30 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 983C12F001788589FAA06C550A7A1695
fothk 0x0001a000 4,096 bytes 4,096 bytes 0.02 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 07895C34BBA78EF79C3DD1BE42EFF618
.rdata 0x0001b000 28,740 bytes 32,768 bytes 4.82 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 9B7E64700D974E2D350741840EF118C1
.data 0x00023000 22,464 bytes 4,096 bytes 0.66 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE CD887006C2798FFB27D997B927431A4F
.pdata 0x00029000 4,500 bytes 8,192 bytes 3.21 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 78CCDA10BF90100FBADBF7D0FA9CE218
.rsrc 0x0002b000 3,560 bytes 4,096 bytes 3.17 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ FB24667CB2A4801C0B830F97C7B4B72B
.reloc 0x0002c000 316 bytes 4,096 bytes 0.60 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ B890DF1AEAFBF634674EE3E470EB1908

Resource Analysis

▼
Total Resources: 4 (3,206 bytes)
Resource Type Count Total Size Percentage
WEVT_TEMPLATE 1 1,250 bytes
39%
RT_STRING 1 204 bytes
6.4%
RT_MESSAGETABLE 1 812 bytes
25.3%
RT_VERSION 1 940 bytes
29.3%

Certificate Chain Analysis

▼
Certificate Information
Product Microsoft® Windows® Operating System
Description Hotpatch Monitoring Service
File Version 10.0.26100.4484 (WinBuild.160101.0800)
Original Name hpatchmon.dll
Signing Date 07:52 PM 06/19/2025 (354 days ago)
Verification Status Signed
Signers Microsoft Windows; Microsoft Windows Production PCA 2011; Microsoft Root Certificate Authority 2010
Counter Signers Microsoft Time-Stamp Service; Microsoft Time-Stamp PCA 2010; Microsoft Root Certificate Authority 2010
Internal Name hpatchmon.dll
Copyright © Microsoft Corporation. All rights reserved.
Certificate Chain Summary
Microsoft Windows #1 Primary
Validity Period: 2024-09-12 20:04:07 → 2025-09-11 20:04:07
Signature Algorithm: sha256RSA
Serial Number: 33 00 00 04 A8 82 E6 B8 AC 1C 5D 5F F0 00 00 00 00 04 A8
Microsoft Windows Production PCA 2011 #2 Chain
Validity Period: 2011-10-19 18:41:42 → 2026-10-19 18:51:42
Signature Algorithm: sha256RSA
Serial Number: 61 07 76 56 00 00 00 00 00 08
Microsoft Time-Stamp Service #3 Chain
Validity Period: 2024-07-25 18:31:01 → 2025-10-22 18:31:01
Signature Algorithm: sha256RSA
Serial Number: 33 00 00 01 F5 99 09 94 BC F1 C6 50 8C 00 01 00 00 01 F5
Microsoft Time-Stamp PCA 2010 #4 Chain
Validity Period: 2021-09-30 18:22:25 → 2030-09-30 18:32:25
Signature Algorithm: sha256RSA
Serial Number: 33 00 00 00 15 C5 E7 6B 9E 02 9B 49 99 00 00 00 00 00 15

✓ This file has been digitally signed and the certificate chain has been verified

  • The signature ensures file integrity and authenticity from the publisher
  • Timestamping proves when the signature was applied
Certificate Verification Status

OK

Remember: This is Result of Online Virus Scanner

Gridinsoft Anti-Malware has a much more powerful virus scanning engine. We recommend using it for a more precise diagnosis of infected systems. This brief guide will help you install our flagship product for more accurate diagnostics:

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Keep Your System Protected

This file appears clean, but regular security maintenance is important

  1. 1
    Weekly Quick Scans: Set a reminder to run a scan every Sunday. Most infections are caught within the first week, so regular checks give you peace of mind.
  2. 2
    Update Everything: Those annoying update popups exist for a reason — they patch security holes. Windows, browsers, Adobe, Java — keep them all current.
  3. 3
    Download Smart: Stick to official websites and app stores. If a "free" version of paid software sounds too good to be true, it probably comes with unwanted extras.
  4. 4
    Think Before You Click: Malware loves email attachments and "urgent" links. Even if an email looks like it's from your bank or a friend, verify suspicious requests through a different channel.
Proactive Protection
This file looks clean right now, but that doesn't mean you should let your guard down. New malware appears daily, and even legit files can be compromised after download. When in doubt, verify the source and check for a digital signature.

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