openoffice.exe

Software program

Advertiso GmbH

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application openoffice.exe, “Software program Setup ” by Advertiso GmbH 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. With this installer, users are expecting to download the free Apache OpenOffice but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
Advertiso GmbH  (signed and verified)

Product:
Software program

Description:
Software program Setup

Version:
1.7.5.2

MD5:
f8570022dd3bd5db52596e8f792d3785

SHA-1:
532c6fdc1112d6623ee8caadf8230840418d6f61

SHA-256:
c986990b29a9e8df5de8fa201cd07128fd54cd33a0575b1cf900148e4b64405a

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:
5/8/2024 10:47:56 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.Advertiso.Installer (M)
16.1.26.1

File size:
961.6 KB (984,688 bytes)

Product version:
5.6

Copyright:
Internet Installer

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:

Authority:
GlobalSign nv-sa

Valid from:
12/30/2015 4:39:23 AM

Valid to:
12/30/2016 4:39:23 AM

Subject:
CN=Advertiso GmbH, O=Advertiso GmbH, L=Hamburg, S=Hamburg, C=DE

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
11218076537D25662FA013A20AD703FFB76D

File PE Metadata
Compilation timestamp:
6/19/1992 4:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:625/HYN40RQWfuKheUzG0DJG3YMmy1ZfLOkTQ7C5V:62p4NPNuYe611G3YoP3E7CH

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:
7.9308

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

Code size:
37 KB (37,888 bytes)

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

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