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The rundll32.exe (Windows host process (Rundll32)) File Analysis

Updated 1 month ago
Checked by Malware Check
rundll32.exe

Technical Analysis

File Name rundll32.exe
File Type
PE32+ executable (GUI) x86-64, for MS Windows
Scanner Version 1.0.230.174
Database Version 2025-12-08 05:00:20 UTC
✓

Clean File

No threats detected by our scanner

0%
Detection Rate
71,680
File Size (bytes)
2025-12-08
Analysis Date

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File Identification

Hash Type Value Action
MD5
ef3179d498793bf4234f708d3be28633
SHA1
dd399ae46303343f9f0da189aee11c67bd868222
SHA256
b53f3c0cd32d7f20849850768da6431e5f876b7bfa61db0aa0700b02873393fa
SHA512
02aff154762d7e53e37754f878ce6aa3f4df5a1eb167e27f13d9762dced32bec892bfa3f3314e3c6dce5998f7d3c400d7d0314b9326eedcab72207c60b3d332e
ImpHash
4db27267734d1576d75c991dc70f68ac

PE Analysis

Basic Information

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Icon
Hash: a4fa0e5d3cd5cf96252a7b54ef1d2645
Fuzzy: 8e44d3fab7c48012e90ed1686f656033
dHash: fcf4dcdcdcdcdcd4
Image Base 0x140000000
Entry Point 0x140006890
Compilation Time 2103-08-07 22:53:31
Checksum 0x00018f8d (Actual: 0x00018f8d)
OS Version 10.0
PEiD Signatures PE32+ executable (GUI) x86-64, for MS Windows
PDB Path rundll32.pdb
Digital Signature No valid SignedData structure was found.
Imports 34 libraries
Exports 0 functions
Resources 13 Resources
Sections 7 Sections

Version Information

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CompanyName Microsoft Corporation
FileDescription Windows host process (Rundll32)
FileVersion 10.0.19041.746 (WinBuild.160101.0800)
InternalName rundll
LegalCopyright © Microsoft Corporation. All rights reserved.
OriginalFilename RUNDLL32.EXE
ProductName Microsoft® Windows® Operating System
ProductVersion 10.0.19041.746
Translation 0x0409 0x04b0

PE Sections

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Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 27,027 bytes 27,136 bytes 6.02 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 44A3DD17089173BCD8470CED01042A31
.rdata 0x00008000 13,748 bytes 13,824 bytes 4.52 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 5B707BED7483693309BEE4574003EA36
.data 0x0000c000 2,296 bytes 512 bytes 0.42 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE C60C12D87A407696E1257B5A85EF3BBF
.pdata 0x0000d000 1,428 bytes 1,536 bytes 4.13 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 80E2503A2969A5DDE91DCEB391E5BE67
.didat 0x0000e000 264 bytes 512 bytes 1.36 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 3929DC61D3FD9EA1CFE2B76ECB763F45
.rsrc 0x0000f000 26,480 bytes 26,624 bytes 5.70 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ B681DDFA8ED431D935BF08D84E3C4F57
.reloc 0x00016000 256 bytes 512 bytes 2.82 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ 2EA14C6091A5444BD95E11E54C401F35

Resource Analysis

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Total Resources: 13 (25,699 bytes)
Resource Type Count Total Size Percentage
MUI 1 208 bytes
0.8%
RT_ICON 8 23,424 bytes
91.1%
RT_GROUP_ICON 1 118 bytes
0.5%
RT_VERSION 1 936 bytes
3.6%
RT_MANIFEST 2 1,013 bytes
3.9%

Certificate Chain Analysis

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Certificate Information
Product Microsoft® Windows® Operating System
Description Windows host process (Rundll32)
File Version 10.0.19041.746 (WinBuild.160101.0800)
Original Name RUNDLL32.EXE
Internal Name rundll
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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