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The keyiso.dll (CNG Key Isolation Service) File Analysis

Updated 10 months ago
Checked by Malware Check
keyiso.dll

Technical Analysis

File Name keyiso.dll
File Type
PE32+ executable (DLL) (console) x86-64, for MS Windows
Scanner Version 1.0.194.174
Database Version 2024-10-22 21:00:27 UTC
✓

Clean File

No threats detected by our scanner

0%
Detection Rate
94,208
File Size (bytes)
2024-10-22
Analysis Date

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File Identification

Hash Type Value Action
MD5
da2d096dcdf902a8532998eca807126f
SHA1
d330304d80d40f33ed0ab11509d7282df82bd32c
SHA256
cb0d9ea8fd70e0c93298abdef742460cfc02cc8b1e56e2d311111cbf2a50cfe5
SHA512
4ee8506f8d86f10bd5af01d0ff0f24ce844fc6be6cca6c0e560316de136411850c4b0ac6dcec5f0ece8c5e81d13fdc2c8553741b3cd785944b07a5c7e192e61c
ImpHash
c2c061e451ff59a6bdd7e8e678c84303

PE Analysis

Basic Information

▼
Image Base 0x180000000
Entry Point 0x1800054b0
Compilation Time 2085-06-02 12:54:46
Checksum 0x0001af48 (Actual: 0x0001af48)
OS Version 10.0
PEiD Signatures PE32+ executable (DLL) (console) x86-64, for MS Windows
PDB Path keyiso.pdb
Digital Signature No valid SignedData structure was found.
Imports 18 libraries
Exports 2 functions
Resources 2 Resources
Sections 6 Sections

Version Information

▼
CompanyName Microsoft Corporation
FileDescription CNG Key Isolation Service
FileVersion 10.0.19041.5007 (WinBuild.160101.0800)
InternalName keyiso.dll
LegalCopyright © Microsoft Corporation. All rights reserved.
OriginalFilename keyiso.dll
ProductName Microsoft® Windows® Operating System
ProductVersion 10.0.19041.5007
Translation 0x0409 0x04b0

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 54,317 bytes 54,784 bytes 6.02 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 650F1F7E2B5E4709AEA58486517C8508
.rdata 0x0000f000 31,614 bytes 31,744 bytes 4.31 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 492CADE745AC8CB8568AF5B9E4E93597
.data 0x00017000 2,860 bytes 512 bytes 2.19 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 6216E0FC686E59E524A7D5A3477092C6
.pdata 0x00018000 2,856 bytes 3,072 bytes 4.72 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 0F885B2ABFB3955C2CE1D546297DD677
.rsrc 0x00019000 1,304 bytes 1,536 bytes 2.98 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 7B3385B1A5FCC8EC790C18912FDA1448
.reloc 0x0001a000 1,480 bytes 1,536 bytes 5.35 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ 392436CBE17C156541C11DB84641841F

Resource Analysis

▼
Total Resources: 2 (1,128 bytes)
Resource Type Count Total Size Percentage
MUI 1 200 bytes
17.7%
RT_VERSION 1 928 bytes
82.3%

Certificate Chain Analysis

▼
Certificate Information
Product Microsoft® Windows® Operating System
Description CNG Key Isolation Service
File Version 10.0.19041.5007 (WinBuild.160101.0800)
Original Name keyiso.dll
Internal Name keyiso.dll
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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