The winmm.dll File Analysis

Updated 3 days ago

Checked by Malware Check

winmm.dll

Technical Analysis

File Name	winmm.dll
File Type	Win32 DLL
Magic Bytes	`MS-DOS executable PE32+ executable (DLL) (console) x86-64 (stripped to external PDB), for MS Windows, MZ for MS-DOS`
SSDEEP Hash	384:tPTHFQVB5hZAt83RakqjiwSy/t+w4bFVT6r8CbraYPhG553vTal:JiBkt83RA/1J4b3T6r8Cbo
Scanner Version	1.0.221.174
Database Version	2025-07-21 15:00:33 UTC

⚠

Suspicious File Detected

Detected by 7 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.

10%

Detection Rate

21,504

File Size (bytes)

7/72

Engines Detected

2025-07-21

Analysis Date

Scan Another File

File Identification

Hash Type	Value	Action
MD5	eb43608ddd27657e77e842a7a9a5b05a
SHA1	732baccba6b1348494370147f328a555f444e812
SHA256	fa4529f5eebd6f151e9677be00ba1dac33c3da90bd766e44d6925854965d22de
SHA512	da8f07a37021b6041321f60cffeaacd60f5dadbc253a8e97e8ab88b59c5ee8732eed4ab2a6cc2082a93d0ff2cd5f1011481179116a6b7a79241a490106070f79
ImpHash	aab98b1df872301c354e970096899d0f

Security Engines with Detections (7 of 72)

Bkav

W64.AIDetectMalware Malicious

Cynet

Malicious (score: 100) Malicious

Webroot

W32.Malware.gen Malicious

Microsoft

Trojan:Win32/Wacatac.B!ml Malicious

DeepInstinct

MALICIOUS Malicious

Cylance

Unsafe Malicious

MaxSecure

Trojan.Malware.300983.susgen Malicious

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

PE Analysis

Basic Information

▼

Image Base	`0x180000000`
Entry Point	`0x18000f497`
Compilation Time	2025-06-26 15:16:30
Checksum	0x00000000 (Actual: 0x00014738)
OS Version	6.0
PEiD Signatures	`MS-DOS executable PE32+ executable (DLL) (console) x86-64 (stripped to external PDB), for MS Windows, MZ for MS-DOS`
Digital Signature	No valid SignedData structure was found.
Imports	7 libraries KERNEL32, msvcrt, ole32, SHELL32, USER32, GDI32, COMCTL32
Exports	183 functions
Resources	0 Resources
Sections	2 Sections

PE Sections

▼

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Characteristics	MD5
`.MPRESS1`	`0x00001000`	53,248 bytes	12,800 bytes	7.99 (Packed/Encrypted)	`IMAGE_SCN_CNT_CODE\|IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_CNT_UNINITIALIZED_DATA\|IMAGE_SCN_MEM_EXECUTE\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`9ACD9124628EA82508A59A804AE04F19`
`.MPRESS2`	`0x0000e000`	8,081 bytes	8,192 bytes	6.04 (Normal)	`IMAGE_SCN_CNT_CODE\|IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_CNT_UNINITIALIZED_DATA\|IMAGE_SCN_MEM_EXECUTE\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`CC4CC1217F3539A5211A08C2BD5BE419`

Entropy Analysis Alert

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

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

7 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.

Share your thoughts or insights about this file. Do you align with our conclusion?

* Your feedback could influence our rating, and rest assured, your email will remain confidential and will only be used to communicate with you if necessary.

Your Score for

5 4 3 2 1