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defaultpack.exe

DefaultPack

Microsoft Corporation

This is a setup program which is used to install the application. The file has been seen being downloaded from homepage.msn.com and multiple other hosts.
Publisher:
Microsoft Corporation  (signed and verified)

Product:
DefaultPack

Version:
1.7.15.0

MD5:
e6ab5b1334750861d1524e1ee59c16c4

SHA-1:
f623336e1ca99c6a44753a21701fda14a7ab68b8

SHA-256:
38e3b74335226d6e66b85ae5f4e469f8b96aa5c6baa6dbc0e5ace33e228f884f

Scanner detections:
0 / 68

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

Analysis date:
11/8/2026 6:05:39 AM UTC  (today)

File size:
2.1 MB (2,238,608 bytes)

Product version:
1.7.15.0

Copyright:
© Microsoft Corporation. All rights reserved.

Original file name:
WEXTRACT.EXE .MUI

File type:
Executable application (Win32 EXE)

Language:
English (United States)

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

Digital Signature
Signed by:
Microsoft Corporation

Authority:
Microsoft Corporation

Valid from:
1/24/2013 5:33:39 PM

Valid to:
4/24/2014 6:33:39 PM

Subject:
CN=Microsoft Corporation, OU=MOPR, 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:
33000000B011AF0A8BD03B9FDD0001000000B0

File PE Metadata
Compilation timestamp:
2/17/2013 2:00:50 AM

OS version:
6.2

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.10

CTPH (ssdeep):
24576:LyKZgzcsH5xPaFj6QIa4tr9tDouYWV6HXdOymUGyYUgDBCQ93HGZp429DBtKyRUK:+fvs6QGZop4yxGPdIG3mZJFLhaEY0T

Entry address:
0x6926

Entry point:
E8, 06, 08, 00, 00, E9, 0D, FE, FF, FF, CC, CC, CC, CC, CC, 3B, 0D, 00, 80, 40, 00, 75, 03, C2, 00, 00, E9, 05, 00, 00, 00, CC, CC, CC, CC, CC, 8B, FF, 55, 8B, EC, 81, EC, 24, 03, 00, 00, A3, 20, 87, 40, 00, 89, 0D, 1C, 87, 40, 00, 89, 15, 18, 87, 40, 00, 89, 1D, 14, 87, 40, 00, 89, 35, 10, 87, 40, 00, 89, 3D, 0C, 87, 40, 00, 66, 8C, 15, 38, 87, 40, 00, 66, 8C, 0D, 2C, 87, 40, 00, 66, 8C, 1D, 08, 87, 40, 00, 66, 8C, 05, 04, 87, 40, 00, 66, 8C, 25, 00, 87, 40, 00, 66, 8C, 2D, FC, 86, 40, 00, 9C, 8F, 05, 30...
 
[+]

Entropy:
7.9790  (probably packed)

Code size:
25.5 KB (26,112 bytes)

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

http://homepage.msn.com/?form=MFEHPG&publ=MSNHP&crea=TEXT_MFEHPG_DHP_Non-IEDHP_MSNDHP_1X1

http://download.microsoft.com/download/3/4/9/349CA6F9-1A9E-4097-B217-A03E91375934/UniversalInstallers/InProduct/.../DefaultPack.EXE

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