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The memtest.efi (Memory Diagnostic) File Analysis

Updated 28 days ago
Checked by Malaware Check
memtest.efi

Technical Analysis

File Name memtest.efi
File Type
PE32+ executable x86-64, for MS Windows
Scanner Version 1.0.216.174
Database Version 2025-05-09 00:00:19 UTC
✓

Clean File

No threats detected by our scanner

0%
Detection Rate
2,527,664
File Size (bytes)
2025-05-09
Analysis Date

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File Identification

Hash Type Value Action
MD5
b359f66dadc81157afd5a24eaa1f08d9
SHA1
3479abbb90c665ce4c6631da1c2a9d3ab5847733
SHA256
632cb3309dacd5fa78b621a73c3012e0874e375b48cf69395f428e1e40e78df2
SHA512
9cdccc99d70c0b5e6396beeec90ca8b0da12276ca3fbdda59af827fcca76abacf14c2280ecf1b7817b565908a681838b0de28408fc8c162add3f4a82584c41da

PE Analysis

Basic Information

▼
Image Base 0x140000000
Entry Point 0x140001d10
Compilation Time 2096-11-16 22:49:58
Checksum 0x0026e79a (Actual: 0x0026e79a)
OS Version 0.0
PEiD Signatures PE32+ executable x86-64, for MS Windows
PDB Path memtest.pdb
Digital Signature OK
Imports 0
Exports 0 functions
Resources 4 Resources
Sections 7 Sections

Version Information

▼
CompanyName Microsoft Corporation
FileDescription Memory Diagnostic
FileVersion 10.0.26100.3912 (WinBuild.160101.0800)
InternalName memdiag.exe
LegalCopyright © Microsoft Corporation. All rights reserved.
OriginalFilename memdiag.exe
ProductName Microsoft® Windows® Operating System
ProductVersion 10.0.26100.3912
Translation 0x0409 0x04b0

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 2,144,585 bytes 2,144,768 bytes 6.53 (Compressed) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 2FB7EF331EEE4B70834AB56AE6B99515
TRANSIT 0x0020d000 29 bytes 512 bytes 0.45 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 863D89C1D654B0E7B28D0AE4F3635E62
.rdata 0x0020e000 255,748 bytes 256,000 bytes 5.70 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 2DD8B4C2900F3AB31C78AE182FDC51F8
.data 0x0024d000 358,672 bytes 7,680 bytes 4.11 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 915343F1B8C4770E03AD3E422624E019
.pdata 0x002a5000 66,288 bytes 66,560 bytes 6.15 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ DB8827E370DF7785E3F2B5C3EAE9C4A7
.rsrc 0x002b6000 35,868 bytes 36,352 bytes 3.63 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ D1CF8E17E9C59F94C9FD8F4A953F61D0
.reloc 0x002bf000 4,960 bytes 5,120 bytes 5.42 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ 02B0527DAF01373E91186DADD345BEEB
Entropy Analysis Alert

1 section(s) with elevated entropy (≥6.5) - possible compression

Resource Analysis

▼
Total Resources: 4 (35,530 bytes)
Resource Type Count Total Size Percentage
MUI 1 216 bytes
0.6%
RT_MESSAGETABLE 1 16,028 bytes
45.1%
RT_VERSION 1 912 bytes
2.6%
RT_HTML 1 18,374 bytes
51.7%

Certificate Chain Analysis

▼
Certificate Information
Product Microsoft® Windows® Operating System
Description Memory Diagnostic
File Version 10.0.26100.3912 (WinBuild.160101.0800)
Original Name memdiag.exe
Signing Date 04:33 AM 04/18/2025 (48 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 memdiag.exe
Copyright © Microsoft Corporation. All rights reserved.
Certificate Chain Summary
Microsoft Windows #1 Primary
Validity Period: 2024-09-12 20:04:06 → 2025-09-11 20:04:06
Signature Algorithm: sha256RSA
Serial Number: 33 00 00 04 A7 04 3E E4 22 C8 34 FA FC 00 00 00 00 04 A7
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: 2025-01-30 19:42:55 → 2026-04-22 19:42:55
Signature Algorithm: sha256RSA
Serial Number: 33 00 00 02 09 08 07 E0 F9 5C 8C E6 55 00 01 00 00 02 09
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

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Keep Your System Protected

This file appears clean, but regular security maintenance is important

  1. Regular Scans: Run weekly system scans to detect new threats before they can cause damage.
  2. Keep Software Updated: Ensure your operating system and all applications have the latest security patches.
  3. Safe Browsing: Avoid suspicious websites and never download software from untrusted sources.
  4. Email Security: Be cautious with email attachments and links, even from known contacts.
Proactive Protection
This file passed all security checks, but stay vigilant. New malware variants appear daily that can evade detection. Always verify files come from official sources and check digital signatures when available.

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