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The smss.exe (Windows Session Manager) File Analysis

Updated 18 days ago
Checked by Malware Check
smss.exe

Technical Analysis

File Name smss.exe
File Type
PE32+ executable (native) x86-64, for MS Windows
Scanner Version 1.0.231.174
Database Version 2025-12-21 23:00:27 UTC
✓

Clean File

No threats detected by our scanner

0%
Detection Rate
155,976
File Size (bytes)
2025-12-22
Analysis Date

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File Identification

Hash Type Value Action
MD5
2c3f91bb4c0994a7b36ed0b6b14ec9c7
SHA1
53311cbde782da05c8ef97d7bc40d768e3a3ea64
SHA256
56afe5133fdc5806ec6b19436f7b55f1499cfc94619740c171424fbcf7808fd3
SHA512
b602f69f67095efc15145a0f477f22420a12564d52bdba34c9a4134baa96702c3ee2223932b45f13962796957aeddb0d431c8c78d0396938c6f9758c94f15a3d
ImpHash
67b500d64f6bdf6ffd6c4f7f4de9fda6

PE Analysis

Basic Information

▼
Image Base 0x140000000
Entry Point 0x1400014f0
Compilation Time 2022-03-18 20:18:05
Checksum 0x0002f31a (Actual: 0x0002f31a)
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 10.0.19041.964 (WinBuild.160101.0800)
InternalName smss.exe
LegalCopyright © Microsoft Corporation. All rights reserved.
OriginalFilename smss.exe
ProductName Microsoft® Windows® Operating System
ProductVersion 10.0.19041.964
Translation 0x0409 0x04b0

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 85,884 bytes 86,016 bytes 6.15 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 4BB09CA3A98AFFE2ACF06A20410C3EA6
.rdata 0x00016000 49,572 bytes 49,664 bytes 4.28 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 1CD09A551FF6A1D899EF28D6DBE81EF9
.data 0x00023000 7,048 bytes 2,048 bytes 1.56 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE E783A80C65B46513F2CC93B75CC6446B
.pdata 0x00025000 3,816 bytes 4,096 bytes 4.91 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 20F30AEDC08B94FF9B66EF4D961D667D
.rsrc 0x00026000 2,032 bytes 2,048 bytes 4.33 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ 8483778EC900D27C28DD00C6FD546153
.reloc 0x00027000 572 bytes 1,024 bytes 3.75 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ 302DC631904786CD08D1793A5ED17DB4

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 10.0.19041.964 (WinBuild.160101.0800)
Original Name smss.exe
Signing Date 11:17 PM 04/22/2021 (1722 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: 2020-09-24 19:16:25 → 2021-09-23 19:16:25
Signature Algorithm: sha256RSA
Serial Number: 33 00 00 02 A5 E1 A0 81 B7 C8 95 C0 ED 00 00 00 00 02 A5
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: 2021-01-14 19:02:15 → 2022-04-11 19:02:15
Signature Algorithm: sha256RSA
Serial Number: 33 00 00 01 59 9F FC 7E 5F 2C EA F2 43 00 00 00 00 01 59
Microsoft Time-Stamp PCA 2010 #4 Chain
Validity Period: 2010-07-01 21:36:55 → 2025-07-01 21:46:55
Signature Algorithm: sha256RSA
Serial Number: 61 09 81 2A 00 00 00 00 00 02

✓ 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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