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microsoft_office.exe

Program

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.exe, “Program 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. The file has been seen being downloaded from cdn.downloadastroppcfiles.com.
Publisher:
Installer Application   (signed by Bully Unity LTD)

Product:
Program

Description:
Program Setup

Version:
1.2.5.2

MD5:
db5c3fef43dbce06aa757007fac8a58a

SHA-1:
a8c901f0d59c4b85d6032cdfc57c42daa43b2b1c

SHA-256:
20549f10ea868e75c5a1b5c7ac62e3516981e3aa4095f6022ba36628fe0bd673

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 6:34:08 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.10.25.5

File size:
753.7 KB (771,784 bytes)

Product version:
3.0.5

Copyright:
Application

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\microsoft_office.exe

Digital Signature
Signed by:
Bully Unity LTD

Authority:
COMODO CA Limited

Valid from:
12/24/2014 4:00:00 AM

Valid to:
12/25/2015 3:59:59 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 2:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:BgDGwBtEFuuXMOr1f8hsnQTpv23HFLURyUUgEXgRBWgpCt7zLpvqLeoo41J0oW:BgDdBtI5MOK2XFg2g4I0gpCtLpC/FrW

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Entropy:
7.8333

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

Code size:
39.5 KB (40,448 bytes)

The file microsoft_office.exe has been seen being distributed by the following URL.

http://cdn.downloadastroppcfiles.com/c?x=HsD0yV40c9IMqt5y3DKi2a2HSlFxmORvBJazUC UCaQ=&c=vAbsOPp5LDWj 9r3cahIWpJOPD89FG7TC8uMnyhFwAzVpVHsiI/SuCVWqfVCA56K12EnlcYxLiNqVmZ/QwnZcQ==&downloadAs=microsoft_office.exe&fallback_url=http://ar.downloadastro.com/.../?utm_source=iron&utm_medium=error_generating&utm_campaign=microsoft_office

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