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openoffice.exe

Installer application

dobreprogramy sp. z o.o.

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application openoffice.exe, “Installer application Setup ” by dobreprogramy sp. z o.o 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:
Installer Soft Program   (signed by dobreprogramy sp. z o.o.)

Product:
Installer application

Description:
Installer application Setup

Version:
4.6.4.0

MD5:
210bdeaee9dcf4018dfca722ad7586c2

SHA-1:
af11ed5d375cc67f5980761c471060c5aa8a0390

SHA-256:
c34cfa0b4f4f413fe8c121ff0a3277580b5923077dc2386590cb1dfeb221df2d

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:
2/25/2025 8:32:25 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.dobreprogramyspzoo.Installer (M)
15.12.15.1

File size:
939.6 KB (962,128 bytes)

Product version:
1.1

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

Digital Signature
Signed by:
dobreprogramy sp. z o.o.

Authority:
GlobalSign nv-sa

Valid from:
2/13/2015 5:34:27 PM

Valid to:
2/14/2016 5:34:27 PM

Subject:
CN=dobreprogramy sp. z o.o., O=dobreprogramy sp. z o.o., L=Wroclaw, C=PL

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

Serial number:
1121B4F3A4313F8A58B614202F80129EBC93

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:rK0MnOP4OXqwVfMacL/BLLpQ/VWVSiPmBuJFTs9QOY4I:r1mOuacL/VLh/PmBuDTslE

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...
 
[+]

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

Code size:
39.5 KB (40,448 bytes)

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

http://www.hosttowerfiles.com/c?x=FvUs37OJOb6/MMMjE9Qu W8GKm5TosFYco/EuTio9Yo=&c=fI97VMucpZDvBjZvsiDgp8Yzm/s 0rn84NFYDMQ3bLfrRIx j85MyplZ4BRFTGyrQKODDf/TawfqetrSmwtISaxy6/X0uzjI1oR143IKpxL5O9h8SO382VLX66NJjWTmlkRW2nBcVvroR1DHEYj6rA==&fallback_url=http://storage.dobreprogramy.pl/.../OOo_2.4.2_Win32Intel_install_pl(dobreprogramy.pl).exe&downloadAs=OpenOffice.org-12495-dp.exe

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