openoffice.exe

Web Software

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, “Web Software 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. The installer is marketed through download protals and search ads as the free Apache OpenOffice but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
Program Lite Internet   (signed by Advertiso GmbH)

Product:
Web Software

Description:
Web Software Setup

Version:
3.1.5.2

MD5:
55575dcb2886ca999f46c78de1635781

SHA-1:
45fa02e795937514c9ca298dea757a885e7b7178

SHA-256:
12d7c4629dc147d969aa1d711a0c703263c1b2a21b4286e9ffe6ed7e05c33d32

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 an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
11/6/2024 12:49:00 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.Advertiso.Installer (M)
16.1.27.2

File size:
964.8 KB (987,960 bytes)

Product version:
5.0.6

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\openoffice.exe

Digital Signature
Signed by:

Authority:
GlobalSign nv-sa

Valid from:
12/30/2015 6:39:23 AM

Valid to:
12/30/2016 6:39:23 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 6:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:gpiGE6Nkhfyg5VZIScbUgmfJe6d7B5x55nV5cr7WHbWwqDQX1OF9:gsJPkg5KUgmfw67PDJiwqeOP

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:
7.9288

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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