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microsoft_office_home_and_business_32-bit.exe

Installer Application

Bully Unity LTD

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application microsoft_office_home_and_business_32-bit.exe, “Installer Application Setup ” by Bully Unity has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the installCore installer.
Publisher:
DownloadAstro  (signed by Bully Unity LTD)

Product:
Installer Application

Description:
Installer Application Setup

Version:
1.0.5.a0.1_33474

MD5:
7a4f6f14be5cf2155b45337a61d460db

SHA-1:
c3647eacd36a71722462f422691c52c350227149

SHA-256:
dae5bbce3aa4a28c18719e9a863cf9210c5197596fcad756aad1075d879267d4

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
11/27/2024 6:35:10 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
17.2.22.21

File size:
772 KB (790,560 bytes)

Product version:
3.8

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\downloads\programs\microsoft_office_home_and_business_32-bit.exe

Digital Signature
Signed by:
Bully Unity LTD

Authority:
COMODO CA Limited

Valid from:
12/24/2014 3:00:00 AM

Valid to:
12/25/2015 2:59:59 AM

Subject:
CN=Bully Unity LTD, O=Bully Unity LTD, STREET=24 Kanfei Nesharim, L=Jerusalem, S=Israel, PostalCode=9546439, C=IL

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
576ED6C3B25057AC69546AA4FFAE8B4C

File PE Metadata
Compilation timestamp:
6/20/1992 1:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.8678

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

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