The Windows KB890830 x64 V5 137 exe (Microsoft Windows Malicious Software Removal Tool (KB890830)) Microsoft Corporation File Malware Analysis
Gridinsoft Logo
File Icon

The Windows-KB890830-x64-V5.137.exe (Microsoft Windows Malicious Software Removal Tool (KB890830)) File Analysis

Updated 1 month ago
Checked by Malware Check
Windows-KB890830-x64-V5.137.exe

Technical Analysis

File Name Windows-KB890830-x64-V5.137.exe
File Type
PE32+ executable (GUI) x86-64, for MS Windows
Scanner Version 1.0.229.174
Database Version 2025-11-26 20:00:34 UTC
✓

Clean File

No threats detected by our scanner

0%
Detection Rate
83,364,616
File Size (bytes)
2025-11-26
Analysis Date

Scan Another File

File Identification

Hash Type Value Action
MD5
364708316bbd1d7f22b16a8dda0f3772
SHA1
d26124d4bdd1a7259db3b081f198db147c7dec0b
SHA256
d60998891cf8722ee6cb229f98dfa4b2d40fe7336f400cf938ec3e765bd4944d
SHA512
a00afb6748793cbb19f7ebe6f8cd7849a39d82b68059e8e907cd1d74f73ce4d5f5c0531d2b48d1a10778de7c64b01f466a547e3bb110ec5caa679a07eb93e7d4
ImpHash
0191d0f210f06da201d56499406dad4f

PE Analysis

Basic Information

▼
Icon
Hash: b006398d9b80e0aab53e1d31d9e36759
Fuzzy: 3817709a8280a5927505cde0ffd73508
dHash: 488ee2e08e9ed4f4
Image Base 0x140000000
Entry Point 0x14000da50
Compilation Time 2025-10-20 20:36:07
Checksum 0x04f8649c (Actual: 0x04f8649c)
OS Version 10.0
PEiD Signatures PE32+ executable (GUI) x86-64, for MS Windows
PDB Path mrtstub.pdb
Digital Signature OK
Imports 6 libraries
ntdll, ADVAPI32, KERNEL32, WINTRUST, CRYPT32, RPCRT4
Exports 0 functions
Resources 6 Resources
Sections 6 Sections

Version Information

▼
CompanyName Microsoft Corporation
FileDescription Microsoft Windows Malicious Software Removal Tool (KB890830)
InternalName mrtstub.exe
LegalCopyright © Microsoft Corporation. All rights reserved.
OriginalFilename mrtstub.exe
ProductName Malicious Software Removal Tool
FileVersion 5.137.25110.2001 (c6656866f263f657765e5c809b137c8fce19cfc0)
ProductVersion 5.137.25110.2001
Translation 0x0409 0x04b0

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 162,178 bytes 163,840 bytes 6.40 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 5DFA8B453D6D2B173E188B49522A8B26
.rdata 0x00029000 72,458 bytes 73,728 bytes 5.48 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ ED2374707CB420AC4BA2A6218AB96B86
.data 0x0003b000 10,040 bytes 8,192 bytes 1.76 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 7283098DEE4EE7B07EA60B20149B5BEB
.pdata 0x0003e000 9,048 bytes 12,288 bytes 4.31 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ C363E77C33C0D231E3399955989571D7
.rsrc 0x00041000 82,359,220 bytes 82,362,368 bytes 8.00 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 8703154B83429292D27EAF8301C6059E
.reloc 0x04ecd000 1,988 bytes 4,096 bytes 3.46 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ 2BEC24291488130CF367BFFA18F3E446
Entropy Analysis Alert

1 section(s) with high entropy (≥7.5) detected - possible packing/encryption

Resource Analysis

▼
Total Resources: 6 (82,358,759 bytes)
Resource Type Count Total Size Percentage
CABINET 1 82,351,270 bytes
100%
RT_ICON 2 5,392 bytes
0%
RT_GROUP_ICON 1 34 bytes
0%
RT_VERSION 1 1,028 bytes
0%
RT_MANIFEST 1 1,035 bytes
0%

Certificate Chain Analysis

▼
Certificate Information
Product Malicious Software Removal Tool
Description Microsoft Windows Malicious Software Removal Tool (KB890830)
File Version 5.137.25110.2001 (c6656866f263f657765e5c809b137c8fce19cfc0)
Original Name mrtstub.exe
Signing Date 08:37 PM 10/20/2025 (79 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 mrtstub.exe
Copyright © Microsoft Corporation. All rights reserved.
Certificate Chain Summary
Microsoft Windows #1 Primary
Validity Period: 2025-06-19 18:11:39 → 2026-06-17 18:11:39
Signature Algorithm: sha256RSA
Serial Number: 33 00 00 05 13 6E F5 3C D5 0E 65 D3 E0 00 00 00 00 05 13
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: 2025-08-14 18:48:30 → 2026-11-13 18:48:30
Signature Algorithm: sha256RSA
Serial Number: 33 00 00 02 1B D0 B2 B8 02 67 F7 72 CF 00 01 00 00 02 1B
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:

Download Anti-Malware

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.

Leave a Comment

Share your thoughts or insights about this file. Do you align with our conclusion?

* Your feedback could influence our rating, and rest assured, your email will remain confidential and will only be used to communicate with you if necessary.
Your Score for

Gridinsoft Anti-Malware

Stay Malware-Free: Keep Your PC Protected with Gridinsoft Anti-Malware

Gridinsoft Anti-Malware offers just that—peace of mind with a robust, user-friendly solution that’s constantly updated to combat the latest threats. Designed by cybersecurity experts, it provides real-time protection and effortless malware removal. It’s not just about detecting threats; it's about enhancing your digital life with uninterrupted security. Give it a try and experience what it feels like to browse worry-free!

Gridinsoft Anti-Malware Download Now
Gridinsoft Anti-Malware