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The spoolsvworker.exe (Spooler SubSystem App) File Analysis

Updated 1 second ago
Checked by Malaware Check
spoolsvworker.exe

Technical Analysis

File Name spoolsvworker.exe
File Type
PE32+ executable (GUI) x86-64, for MS Windows
Scanner Version 1.0.217.174
Database Version 2025-06-08 07:00:26 UTC
✓

Clean File

No threats detected by our scanner

0%
Detection Rate
962,560
File Size (bytes)
2025-06-08
Analysis Date

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File Identification

Hash Type Value Action
MD5
048de97ee2d20eedf76eebec5f994fe0
SHA1
4ac9b2afae5fb9999477263729ad0881e9dddaec
SHA256
003db29ecc35d32165694f8191ef5e3fb4b5f31dec60c222c6c20b6837b08165
SHA512
c6ad6894afc57084363fe787f1b542f1b1e84715229b58485875f8cb7e6f2a695ceabdfbd251c781e11736cdf721091416a5712c3bae6f1527acc830db571390
ImpHash
394ff975c3f398c4d3cf81a9f25af7fa

PE Analysis

Basic Information

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Icon
Hash: 0b11798f2585222f1f59cdcbac681ee3
Fuzzy: 90c34561fc380f0e17dda65a9a6414fb
dHash: 48c4c1c08ecf6c00
Image Base 0x140000000
Entry Point 0x140002770
Compilation Time 2023-09-20 17:36:10
Checksum 0x000f60a3 (Actual: 0x000f60a3)
OS Version 10.0
PEiD Signatures PE32+ executable (GUI) x86-64, for MS Windows
PDB Path spoolsvworker.pdb
Digital Signature No valid SignedData structure was found.
Imports 42 libraries
Exports 225 functions
Resources 17 Resources
Sections 8 Sections

Version Information

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CompanyName Microsoft Corporation
FileDescription Spooler SubSystem App
FileVersion 10.0.26100.4202 (WinBuild.160101.0800)
InternalName spoolsvworker.exe
LegalCopyright © Microsoft Corporation. All rights reserved.
OriginalFilename spoolsvworker.exe
ProductName Microsoft® Windows® Operating System
ProductVersion 10.0.26100.4202
Translation 0x0409 0x04b0

PE Sections

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Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 524,482 bytes 528,384 bytes 6.28 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 41903CAE336F616B23699D3C2CD037A7
fothk 0x00082000 4,096 bytes 4,096 bytes 0.02 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ F06043C44A9E0944990C832A7B86E215
.rdata 0x00083000 313,718 bytes 315,392 bytes 4.13 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 34BFCA7335E7D3A82DB715697DC2AB75
.data 0x000d0000 13,056 bytes 8,192 bytes 1.58 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE ED6A531698A18BBA432B183042EC292C
.pdata 0x000d4000 20,580 bytes 24,576 bytes 5.05 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ AEAEEB4C2F73E1D59BF8874E75F9F37F
.didat 0x000da000 416 bytes 4,096 bytes 0.38 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 083953555A2E59F2219A563F596D22C2
.rsrc 0x000db000 58,120 bytes 61,440 bytes 6.14 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 4B6381768D4CA9484925F61EAD052FDB
.reloc 0x000ea000 11,276 bytes 12,288 bytes 5.29 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ 966D893319F7410FA4505B7C1173BCBA

Resource Analysis

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Total Resources: 17 (57,150 bytes)
Resource Type Count Total Size Percentage
MUI 1 208 bytes
0.4%
RT_ICON 13 55,112 bytes
96.4%
RT_GROUP_ICON 1 188 bytes
0.3%
RT_VERSION 1 944 bytes
1.7%
RT_MANIFEST 1 698 bytes
1.2%

Certificate Chain Analysis

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Certificate Information
Product Microsoft® Windows® Operating System
Description Spooler SubSystem App
File Version 10.0.26100.4202 (WinBuild.160101.0800)
Original Name spoolsvworker.exe
Internal Name spoolsvworker.exe
Copyright © Microsoft Corporation. All rights reserved.

✓ 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

No valid SignedData structure was found.

Recommendation: Verify the file source and ensure it comes from a trusted publisher.

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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