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microsoft_word.exe

DownloadAstro Downloader

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_word.exe 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 cdn2.downloadastro.com.
Publisher:
DownloadAstro  (signed by Bully Unity LTD)

Product:
DownloadAstro Downloader

Version:
1.0.5.a0.1_35008

MD5:
3253b616008e736517d758246b8ad111

SHA-1:
480a8c95c5164621c3163a0c15d3475ba701819c

SHA-256:
cb48cae761d8009866cb1691ead403fad7a9cea502f24c3ee66c63dd80f44b29

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 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
11/27/2024 5:36:05 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
17.3.11.17

File size:
758.1 KB (776,320 bytes)

Product version:
1.0.5.a0.1_35008

Copyright:
DownloadAstro

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
Bully Unity LTD

Authority:
DigiCert Inc

Valid from:
12/17/2014 8:00:00 PM

Valid to:
12/23/2015 8:00:00 AM

Subject:
CN=Bully Unity LTD, O=Bully Unity LTD, L=Jerusalem, C=IL

Issuer:
CN=DigiCert Assured ID Code Signing CA-1, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
0561C0FEA93F47093CCED2BA6A4400F1

File PE Metadata
Compilation timestamp:
6/19/1992 7:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

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:
7.8273

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

Code size:
39.5 KB (40,448 bytes)

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

http://cdn2.downloadastro.com/?ic_user_id=646

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