The winmm.dll File Analysis

Updated 2 months ago

Checked by Malaware Check

winmm.dll

Technical Analysis

File Name	winmm.dll
File Type	Win32 DLL
Magic Bytes	`PE32+ executable (DLL) (GUI) x86-64, for MS Windows`
SSDEEP Hash	12288:YyCnpDMBSTNbBdQrJwuEoxqwZ2YK8F40kn0MCaTKhLFuoY9jmY3QvQi6P3sP1:YlnJpbBdQrZNxqbYzF4AMrTcF49jcaPo
Scanner Version	1.0.211.174
Database Version	2025-03-18 15:00:26 UTC

⚠

Suspicious File Detected

Detected by 12 security engines - requires caution

This file requires additional checking for potential threats. Based on suspicious indicators, we will soon add it to our virus database.

16%

Detection Rate

688,408

File Size (bytes)

12/73

Engines Detected

2025-03-18

Analysis Date

Scan Another File

File Identification

Hash Type	Value	Action
MD5	dd109c7b4014fc2ecdc75123651b459d
SHA1	1daa003d9a3589faffd4206b3a39e1b70813a55d
SHA256	46c08aad6543dbc9ccbbff94f7b419220737df3e5862741bc474e2689d121f48
SHA512	34206fd3d1db15d94ce37589630e3ea05617dc20e00322e3b79fc18714423a213a58b90e514a418343926fa624a1a86302ef394fbab342e1442a5a70c633c3eb
ImpHash	591d9f81f0f77122b732e514dbb50ef1

Security Engines with Detections (12 of 73)

Bkav

W64.AIDetectMalware Malicious

Skyhigh

BehavesLike.Win64.Injector.jc Malicious

Sangfor

Trojan.Win32.Save.a Malicious

ESET-NOD32

a variant of Win64/HackTool.Crack_AGen.AZ potentially unsafe Malicious

Rising

Hacktool.Crack!8.38F (CLOUD) Malicious

Trapmine

malicious.high.ml.score Malicious

SentinelOne

Static AI - Suspicious PE Malicious

Google

Detected Malicious

Malwarebytes

Malware.AI.4206332868 Malicious

Ikarus

PUA.HackTool.Crack Malicious

DeepInstinct

MALICIOUS Malicious

alibabacloud

HackTool:Win/Crack_AGen.AO Malicious

61 engines reported no threats - Only engines with detections are shown above for clarity

PE Analysis

Basic Information

▼

Image Base	`0x180000000`
Entry Point	`0x180002d6c`
Compilation Time	2023-06-29 03:48:29
Checksum	0x000b55fe (Actual: 0x000b55fe)
OS Version	6.0
PEiD Signatures	`PE32+ executable (DLL) (GUI) x86-64, for MS Windows`
PDB Path	`D:\code\c\navicatdll\x64\Release\winmm.pdb`
Digital Signature	No valid SignedData structure was found.
Imports	3 libraries KERNEL32, USER32, SHLWAPI
Exports	181 functions
Resources	1 Resources
Sections	9 Sections

PE Sections

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Name	Virtual Address	Virtual Size	Raw Size	Entropy	Characteristics	MD5
`.text`	`0x00001000`	77,984 bytes	78,336 bytes	6.35 (Normal)	`IMAGE_SCN_CNT_CODE\|IMAGE_SCN_MEM_EXECUTE\|IMAGE_SCN_MEM_READ`	`5DF22D18029A17D627CF6AE401CB6E95`
`.rdata`	`0x00015000`	49,328 bytes	49,664 bytes	4.94 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`A18C9659D1BF8C3664FE2045306EE8A3`
`.data`	`0x00022000`	8,840 bytes	3,072 bytes	2.07 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`27E00C7CC02B38EA6CA07B8F6DB400E7`
`.pdata`	`0x00025000`	4,872 bytes	5,120 bytes	4.81 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`AB5C947828BDDC63100535528AC18CB3`
`.detourc`	`0x00027000`	8,688 bytes	8,704 bytes	2.01 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`9D0A43E9AA956DAEF96BE366E920FA6F`
`.detourd`	`0x0002a000`	24 bytes	512 bytes	0.12 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`EDDA25907019E5CC74C177F6952E5E4B`
`_RDATA`	`0x0002b000`	348 bytes	512 bytes	2.78 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`2EDEE06F2719A85AEBA1DF14B79B93C4`
`.rsrc`	`0x0002c000`	248 bytes	512 bytes	2.53 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`E752126A956AC696772D61062BD0CB92`
`.reloc`	`0x0002d000`	2,400,536 bytes	540,952 bytes	8.00 (Packed/Encrypted)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_EXECUTE\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`BF41A34749E003AE5E90528DEDDEF7D5`

Entropy Analysis Alert

1 section(s) with high entropy (≥7.5) detected - possible packing/encryption

Resource Analysis

▼

Total Resources: 1 (145 bytes)

Resource Type	Count	Total Size	Percentage
RT_MANIFEST	1	145 bytes	100%

Certificate Chain Analysis

▼

No Digital Signatures

This file is not digitally signed.

Security Implications:

Cannot verify the publisher's identity
Increased security risk when running this file
May trigger security warnings on some systems

⚠ This file either lacks a digital signature or the certificate chain could not be verified
Exercise caution when executing unsigned files from unknown sources

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:

Download Anti-Malware

Keep Your System Protected

This file appears clean, but regular security maintenance is important

Regular Scans: Run weekly system scans to detect new threats before they can cause damage.
Keep Software Updated: Ensure your operating system and all applications have the latest security patches.
Safe Browsing: Avoid suspicious websites and never download software from untrusted sources.
Email Security: Be cautious with email attachments and links, even from known contacts.

Proactive Protection

12 antivirus engines detected potential threats. This could be a false positive, especially for system tools or packed software. Verify the file source and check if it's digitally signed by a trusted publisher.

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