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MSEInstall.exe

Microsoft Security Client

Microsoft Corporation

The MSEInstall Package is the installer for Microsoft Security Essentials, an anti-virus protection platform. Upon new releases/updates of MSEInstall, Windows Update will download the client and install it. This is a setup and installation application. The file has been seen being downloaded from mse.dlservice.microsoft.com and multiple other hosts.
Publisher:
Microsoft Corporation  (signed and verified)

Product:
Microsoft Security Client

Description:
MSEInstall Package

Version:
4.3.0216.0

MD5:
ea2616b846d87e147670c03c9b7a8c0d

SHA-1:
3e6e47250700c0d5f8d521b05a8a3a123488f653

SHA-256:
03d67a542b00e8d0e1104a18f344b7834e3005c1ddfb3e83fc6edc26b50dd192

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)
Whitelisted  (by digital signature)

Analysis date:
4/26/2024 11:33:05 PM UTC  (a few moments ago)

File size:
13.2 MB (13,838,016 bytes)

Product version:
4.3.0216.0

Copyright:
© Microsoft Corporation. All rights reserved.

Original file name:
MSEInstall.exe

File type:
Executable application (Win64 EXE)

Common path:
C:\users\{user}\downloads\mseinstall.exe

Digital Signature
Signed by:
Microsoft Corporation

Authority:
Microsoft Corporation

Valid from:
1/25/2013 6:33:36 AM

Valid to:
4/25/2014 6:33:36 AM

Subject:
CN=Microsoft Corporation, OU=AOC, O=Microsoft Corporation, L=Redmond, S=Washington, C=US

Issuer:
CN=Microsoft Code Signing PCA, O=Microsoft Corporation, L=Redmond, S=Washington, C=US

Serial number:
33000000ADC6484C2DCB9A424C0001000000AD

File PE Metadata
Compilation timestamp:
3/13/2009 2:58:56 PM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
393216:Ps500sALpwc15fdIl3TwLcDVb05sRXP3+rtW3unE2Qyc36:05uALp115UTw4WsXP+rtW3A2G

Entry address:
0x9850

Entry point:
48, 83, EC, 58, 48, 89, 5C, 24, 70, 48, 89, 7C, 24, 78, 66, 81, 3D, 99, 67, FF, FF, 4D, 5A, 74, 08, 33, DB, 89, 5C, 24, 60, EB, 7C, 48, 63, 05, C4, 67, FF, FF, 48, 8D, 0D, 81, 67, FF, FF, 48, 03, C1, 81, 38, 50, 45, 00, 00, 74, 08, 33, DB, 89, 5C, 24, 60, EB, 5B, 0F, B7, 48, 18, 81, F9, 0B, 01, 00, 00, 74, 32, 81, F9, 0B, 02, 00, 00, 74, 08, 33, DB, 89, 5C, 24, 60, EB, 3F, 83, B8, 84, 00, 00, 00, 0E, 77, 08, 33, DB, 89, 5C, 24, 60, EB, 2E, 33, DB, 39, 98, F8, 00, 00, 00, 0F, 95, C3, 89, 5C, 24, 60, EB, 1D...
 
[+]

Entropy:
7.9875  (probably packed)

Code size:
56 KB (57,344 bytes)

The file MSEInstall.exe has been seen being distributed by the following 2 URLs.

http://mse.dlservice.microsoft.com/download/1/E/D/1ED80C09-218B-44D7-B72D-E1451634E72D/zhcn/.../mseinstall.exe

http://go.microsoft.com/.../?LinkID=231277

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