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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 self-extracting archive and installer. The file has been seen being downloaded from download.microsoft.com and multiple other hosts.
Publisher:
Microsoft Corporation  (signed and verified)

Product:
Microsoft Security Client

Description:
MSEInstall Package

Version:
4.8.0204.0

MD5:
722e23d04cc7c736039aad985316794f

SHA-1:
b084cf1fdeff480b3ec207939248d272cedc5ed0

SHA-256:
c8de5f311e201c1d0ae8a57ea509bee08aaceb484229e73489364175d05d511b

Scanner detections:
0 / 68

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

Analysis date:
4/26/2024 1:17:51 AM UTC  (today)

File size:
13.6 MB (14,271,168 bytes)

Product version:
4.8.0204.0

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:
4/23/2014 2:39:00 AM

Valid to:
7/23/2015 2:39:00 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:
33000000C91909212EBBA648810001000000C9

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

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
393216:qUH13nHSNIc8m4IgSTLi2HaoPMwZtX3iDfNfRVO:7HNaDLxZTu2HaoPjZtHahO

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:
7.9883  (probably packed)

Code size:
56 KB (57,344 bytes)

The file MSEInstall.exe has been seen being distributed by the following 3 URLs.

https://download.microsoft.com/download/6/1/D/61D3BE5F-0AF0-49C2-8A14-44D8AFA4698A/KOKR/.../MSEInstall.exe

http://mse.dlservice.microsoft.com/download/6/1/D/61D3BE5F-0AF0-49C2-8A14-44D8AFA4698A/koKR/.../mseinstall.exe

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

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