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openoffice.exe

Internet installer

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, “Internet installer 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:
Web Installer generic   (signed by dobreprogramy sp. z o.o.)

Product:
Internet installer

Description:
Internet installer Setup

MD5:
50660c34ba289f195afb078ef2fe3bb7

SHA-1:
7ee3e32535d21afcd6926da19ecab6ef2cc17434

SHA-256:
fa8c30072e51b730f874bb7fa4084c0679e20f67c4a2819c27daa74a69212574

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:
12/28/2024 5:01:51 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.dobrepro.Installer (M)
16.3.16.2

File size:
846.4 KB (866,744 bytes)

Product version:
2.0.6

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\openoffice.exe

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

Authority:
thawte, Inc.

Valid from:
2/25/2015 1:00:00 AM

Valid to:
2/26/2016 12:59:59 AM

Subject:
CN=dobreprogramy sp. z o.o., OU=IT, O=dobreprogramy sp. z o.o., L=Wroclaw, S=Dolnoslaskie, C=PL

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
04CCACE3AEB4566AFA610407D3C9D967

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:LEIue+LAYj8URLR+lhbRCUKwSsid8GVMdvBGx8NTWC:LTyLAYrRLWRCUBSBVMdvh6C

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.dobreprogramyplcentraltoday.com/c?x=3JBl/BBdJ25F0bxr4WB6 rtP8fE4R9hNbuHLGPvJoWc=&c=C4R uoAa/2BnrpcJFKen9cRu5vMpZBe5oFGbSfWO/OT6VaI8JW3wEFo75jyF8585klMFEaQkm88P3akDaGJT2IrSU 6PzMXCgJS4Ut1w1TpAYMuQ035HeUPGndryImEAKqGKkrvmTMAVw3xW79h09klppj1iABrdOwej2uqxpdI=&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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