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winsecurity.exe

Microsoft Windows Operating System

Lei Qing

While the file properties state the file is developed by 'Microsoft Corporation', this is not the case and it is designed just to look like a legitimate Microsoft system file. The application winsecurity.exe by Lei Qing has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a separate (within the context of its own process) windows Service named “Windows Security”.
Publisher:
Microsoft Corporation  (signed by Lei Qing)

Product:
Microsoft Windows Operating System

Description:
Windows Security

Version:
6.3.9600.17284 (aaa.140822-1915)

MD5:
0caa9eae7e6da506d3828b8dd3bab278

SHA-1:
c6d2cb8e4c11fd671e3f8c5f02355050a61c216e

SHA-256:
58ed06e3f1121ff743eed0cfa449e6d1951eb47ed3dc4ecf5813986ada547166

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
3/7/2026 2:25:15 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Elex.LeiQing.Meta (M)
16.7.9.11

File size:
6.9 MB (7,244,752 bytes)

Copyright:
Microsoft Corporation. All rights reserved.

Original file name:
winsecurity.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\ProgramData\windows security\winsecurity.exe

Digital Signature
Signed by:
Lei Qing

Authority:
WoSign CA Limited

Valid from:
8/19/2015 5:00:23 AM

Valid to:
8/19/2016 5:00:23 AM

Subject:
CN=Lei Qing, L=Tianjin, S=Tianjin, C=CN

Issuer:
CN=WoSign Class 2 Code Signing CA, O=WoSign CA Limited, C=CN

Serial number:
2B8E845E7AA055FC643B525DF3001A41

File PE Metadata
OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
3.0

CTPH (ssdeep):
49152:/6YaVCMVkxBmeqCUIi1hpeiuhstULPAMNJX/YrIQSqT3vS5jlzw1UhRtucRhC9do:yYalVreJashJDxQbl7a

Entry address:
0x54380

Entry point:
83, EC, 0C, 8B, 44, 24, 0C, 8D, 5C, 24, 10, 89, 44, 24, 04, 89, 5C, 24, 08, C7, 04, 24, FF, FF, FF, FF, E9, 01, 00, 00, 00, CC, E9, 0B, D3, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 8B, 5C, 24, 04, 64, C7, 05, 34, 00, 00, 00, 00, 00, 00, 00, 89, E5, 8B, 4B, 04, 89, C8, C1, E0, 02, 29, C4, 89, E7, 8B, 73, 08, FC, F3, A5, FF, 13, 89, EC, 8B, 5C, 24, 04, 89, 43, 0C, 89, 53, 10, 64, 8B, 05, 34, 00, 00, 00, 89, 43, 14, C3, CC, CC, CC, CC, 83, EC, 18, C7, 04, 24, F4, FF, FF, FF, 89, E5, FF, 15, 58, A0...
 
[+]

Code size:
4.6 MB (4,817,408 bytes)

Service
Display name:
Windows Security

Service name:
WindowsSecurity

Type:
Win32OwnProcess


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