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The smss.exe (Windows Session Manager) File Analysis

Updated 2 months ago
Checked by Malaware Check
smss.exe

Technical Analysis

File Name smss.exe
File Type
PE32+ executable (native) x86-64, for MS Windows
Scanner Version 1.0.210.174
Database Version 2025-03-12 23:00:44 UTC
✓

Clean File

No threats detected by our scanner

0%
Detection Rate
179,896
File Size (bytes)
2025-03-12
Analysis Date

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File Identification

Hash Type Value Action
MD5
eb88a7293067bc4fd5cfc2608a93ee71
SHA1
a5cf97b1e7b5ad9ee5f735292215cb959087b2a9
SHA256
72d73ee622876dbc9cb9b83dcd897f5f1698c0d589c2ecb22cc170d5a2641275
SHA512
b7204202a3e258cfe28376057d79f4238dc87239d3e89d1812d9e6549040ea75848cb148d53d3a7a763052adf16a71f95c055941bf2092753ee9ef27b2448afc
ImpHash
3c25bdf162d0ddf3c4cbd797677ac719

PE Analysis

Basic Information

▼
Image Base 0x140000000
Entry Point 0x140001500
Compilation Time 2033-01-05 14:02:10
Checksum 0x00037781 (Actual: 0x00037781)
OS Version 10.0
PEiD Signatures PE32+ executable (native) x86-64, for MS Windows
PDB Path smss.pdb
Digital Signature OK
Imports 1 libraries
ntdll
Exports 0 functions
Resources 3 Resources
Sections 6 Sections

Version Information

▼
CompanyName Microsoft Corporation
FileDescription Windows Session Manager
FileVersion 10.0.19041.5369 (WinBuild.160101.0800)
InternalName smss.exe
LegalCopyright © Microsoft Corporation. All rights reserved.
OriginalFilename smss.exe
ProductName Microsoft® Windows® Operating System
ProductVersion 10.0.19041.5369
Translation 0x0409 0x04b0

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 101,356 bytes 101,376 bytes 6.20 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ C5537FE5D27A2829B8D85B0B6B9F5668
.rdata 0x0001a000 54,218 bytes 54,272 bytes 4.30 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 8B66AE76C9784D3538AD52099D36E0BE
.data 0x00028000 9,304 bytes 4,096 bytes 2.90 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 1F9243D40A2D79AF536633DB137DFEFB
.pdata 0x0002b000 4,284 bytes 4,608 bytes 5.03 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 2E075F3954F9B2B24C85888FF39B1E45
.rsrc 0x0002d000 2,032 bytes 2,048 bytes 4.35 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ 5E1D4CCCCDAC38DC499C956E70157AC5
.reloc 0x0002e000 704 bytes 1,024 bytes 4.41 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ F62091FBF56364210C01501647C61550

Resource Analysis

▼
Total Resources: 3 (1,784 bytes)
Resource Type Count Total Size Percentage
MUI 1 200 bytes
11.2%
RT_VERSION 1 916 bytes
51.3%
RT_MANIFEST 1 668 bytes
37.4%

Certificate Chain Analysis

▼
Certificate Information
Product Microsoft® Windows® Operating System
Description Windows Session Manager
File Version 10.0.19041.5369 (WinBuild.160101.0800)
Original Name smss.exe
Signing Date 04:36 AM 01/04/2025 (154 days ago)
Verification Status Signed
Signers Microsoft Windows Publisher; 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 smss.exe
Copyright © Microsoft Corporation. All rights reserved.
Certificate Chain Summary
Microsoft Windows Publisher #1 Primary
Validity Period: 2024-04-24 20:24:36 → 2025-04-19 20:24:36
Signature Algorithm: sha256RSA
Serial Number: 33 00 00 04 84 37 37 77 17 5D A9 90 5F 00 00 00 00 04 84
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: 2023-12-06 18:45:15 → 2025-03-05 18:45:15
Signature Algorithm: sha256RSA
Serial Number: 33 00 00 01 E6 D9 42 9E EA 00 F8 7D E1 00 01 00 00 01 E6
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. 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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