office_setup.exe

DownloadManager.exe

Optimum Installer

This adware bundler is distributed through Adknowledge's advertising supported software managers. The application office_setup.exe, “OpenOffice ” by Optimum Installer 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 Adknowledge Fusion installer. The file has been seen being downloaded from install2.optimum-installer.com.
Publisher:
ADK Apps  (signed by Optimum Installer)

Product:
DownloadManager.exe

Description:
OpenOffice

Version:
2.1.7

MD5:
4d71131b555e836513154ce2ed67b890

SHA-1:
cb68134bd6e31295d3135d4a0d7c3395109a2643

SHA-256:
50bf265cefa775c34ac83c0fd25200623bd90f2564e22d3e02b24d96682a4abe

Scanner detections:
1 / 68

Status:
Adware

Explanation:
This installer bundles various adware prorgams that may include toolbars and web browser advertising injectors/extensions.

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:
4/23/2024 2:59:44 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Adknowledge (M)
16.8.10.21

File size:
636.8 KB (652,072 bytes)

Product version:
2.1.7

Original file name:
Setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adknowledge Fusion

Language:
English (United States)

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

Digital Signature
Authority:
VeriSign, Inc.

Valid from:
10/10/2012 8:00:00 PM

Valid to:
11/7/2013 6:59:59 PM

Subject:
CN=Optimum Installer, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Optimum Installer, L=Kansas City, S=Missouri, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
7C5F27B776ADBBB7943F700066A490BF

File PE Metadata
Compilation timestamp:
12/11/2012 4:24:09 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:WKrgi/5bozNXGHx+XS97pqCi3omZId+Z7DfLi8FKTqfJp8i:WKUihbozNXqxf97pAomZh7DfLiSkZi

Entry address:
0x47350

Entry point:
E8, 45, D5, 00, 00, E9, 78, FE, FF, FF, 8B, FF, 55, 8B, EC, 6A, 00, FF, 75, 14, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, BE, D5, 00, 00, 83, C4, 14, 5D, C3, FF, 35, 44, 02, 49, 00, E8, FB, 38, 00, 00, 59, 85, C0, 74, 02, FF, D0, 6A, 19, E8, F8, 90, 00, 00, 6A, 01, 6A, 00, E8, BD, D8, 00, 00, 83, C4, 0C, E9, 9E, D7, 00, 00, 8B, FF, 55, 8B, EC, 8B, 55, 08, 53, 56, 57, 33, FF, 3B, D7, 74, 07, 8B, 5D, 0C, 3B, DF, 77, 1E, E8, A0, 03, 00, 00, 6A, 16, 5E, 89, 30, 57, 57, 57, 57, 57, E8, 54, AF, FF, FF, 83, C4, 14...
 
[+]

Entropy:
6.3948

Code size:
399 KB (408,576 bytes)

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

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