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The csrss.exe (Client Server Runtime Process) File Analysis

Updated 1 month ago
Checked by Malaware Check
csrss.exe

Technical Analysis

File Name csrss.exe
File Type
PE32+ executable (native) x86-64, for MS Windows
Scanner Version 1.0.214.174
Database Version 2025-04-20 17:00:20 UTC
✓

Clean File

No threats detected by our scanner

0%
Detection Rate
18,784
File Size (bytes)
2025-04-20
Analysis Date

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File Identification

Hash Type Value Action
MD5
ecfd9b55800aebb164a07d9a402dc9dd
SHA1
43e2258320589c44ad6e8099b59adb0d9695fc8d
SHA256
9e63d657b41e13b75aebb261e7f93c0655d52ee82811b37e7470f4119e5b6054
SHA512
22eaf0b51cb7f0efaf2815a2997ef21e4b1e5a9f3a80ec26aced946b0e55ea88ff1df99e88f2449eb668566687aee64824ae419e19deb73ac7b167b21bb92622
ImpHash
a96fa9912e09e361274ad77f1a4b252c

PE Analysis

Basic Information

▼
Image Base 0x140000000
Entry Point 0x140001010
Compilation Time 2059-06-29 02:10:19
Checksum 0x000129cc (Actual: 0x000129cc)
OS Version 10.0
PEiD Signatures PE32+ executable (native) x86-64, for MS Windows
PDB Path csrss.pdb
Digital Signature OK
Imports 2 libraries
ntdll, CSRSRV
Exports 0 functions
Resources 3 Resources
Sections 6 Sections

Version Information

▼
CompanyName Microsoft Corporation
FileDescription Client Server Runtime Process
FileVersion 10.0.19041.3636 (WinBuild.160101.0800)
InternalName CSRSS.Exe
LegalCopyright © Microsoft Corporation. All rights reserved.
OriginalFilename CSRSS.Exe
ProductName Microsoft® Windows® Operating System
ProductVersion 10.0.19041.3636
Translation 0x0409 0x04b0

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 2,032 bytes 2,048 bytes 5.65 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ E1AB1973B869C1ED8C302C44911E15BE
.rdata 0x00002000 1,816 bytes 2,048 bytes 3.80 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 6A1B06E032C7F3011C7318B40F468F4A
.data 0x00003000 1,536 bytes 512 bytes 0.28 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE EE8E428290EC42160C5E2A30F80215A5
.pdata 0x00004000 120 bytes 512 bytes 1.04 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 882842D91B19746B9CC2B2A5DB88BE9D
.rsrc 0x00005000 2,048 bytes 2,048 bytes 4.37 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ 613A01DF0A037A50BC22FB2B335BE673
.reloc 0x00006000 28 bytes 512 bytes 0.34 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ 41FF321846DF8D4D0CB8A1EA8C648F08

Resource Analysis

▼
Total Resources: 3 (1,803 bytes)
Resource Type Count Total Size Percentage
MUI 1 200 bytes
11.1%
RT_VERSION 1 928 bytes
51.5%
RT_MANIFEST 1 675 bytes
37.4%

Certificate Chain Analysis

▼
Certificate Information
Product Microsoft® Windows® Operating System
Description Client Server Runtime Process
File Version 10.0.19041.3636 (WinBuild.160101.0800)
Original Name CSRSS.Exe
Signing Date 03:18 AM 10/20/2023 (596 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 CSRSS.Exe
Copyright © Microsoft Corporation. All rights reserved.
Certificate Chain Summary
Microsoft Windows Publisher #1 Primary
Validity Period: 2023-08-08 18:38:10 → 2024-08-07 18:38:10
Signature Algorithm: sha256RSA
Serial Number: 33 00 00 04 49 80 8E A7 5D 6E 2D 36 87 00 00 00 00 04 49
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: 2023-05-25 19:12:11 → 2024-02-01 19:12:11
Signature Algorithm: sha256RSA
Serial Number: 33 00 00 01 CF 52 36 BE 71 4B CD 48 CA 00 01 00 00 01 CF
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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