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divfix.exe

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 divfix.exe by dobreprogramy sp. z o.o has been detected as adware by 18 anti-malware scanners. The program is a setup application that uses the installCore installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from download4.dobreprogramy.pl.
Publisher:
dobreprogramy sp. z o.o.  (signed and verified)

MD5:
0f4d3dec2e3aa858bb6a2a64a3263f38

SHA-1:
f797549050dda2388bdab085ac7bab0401eafc9a

SHA-256:
73dd7f713007c53402987fc83ede508b0c4a5d89be85d01f15b2a7e090fb2e9b

Scanner detections:
18 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

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:
4/19/2024 2:00:30 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.138.26

AVG
MalSign.InstallC
2015.0.3497

Bkav FE
W32.Clodd1a.Trojan
1.3.0.4613

Comodo Security
ApplicUnwnt
17963

Dr.Web
Adware.InstallCore.133
9.0.1.0109

ESET NOD32
Win32/InstallCore.CU (variant)
8.9567

F-Prot
W32/InstallCore.R3.gen
v6.4.7.1.166

herdProtect (fuzzy)
variant of artisteer(35475).exe (Adware)
2014.7.8.2

K7 AntiVirus
Unwanted-Program
13.176.11833

Malwarebytes
PUP.Optional.Dobreprogramy
v2014.04.19.07

McAfee
Artemis!5032DF099A90
5600.7156

Reason Heuristics
PUP.dobreprogramyspzoo.N
14.4.19.7

Rising Antivirus
PE:Malware.XPACK-LNR/Heur!1.5594
23.00.65.14417

Sophos
Install Core Click run software
4.98

Trend Micro House Call
TROJ_GEN.F47V0107
7.2.109

Vba32 AntiVirus
Downware.InstallCore
3.12.24.3

VIPRE Antivirus
Adware.Win32.InstallCore.ba
27576

File size:
651 KB (666,648 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

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

Authority:
COMODO CA Limited

Valid from:
6/6/2013 2:00:00 AM

Valid to:
6/7/2014 1:59:59 AM

Subject:
CN=dobreprogramy sp. z o.o., O=dobreprogramy sp. z o.o., STREET=Al. Jana Kasprowicza 94, L=Wrocław, S=dolnośląskie, PostalCode=51-145, C=PL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00EFC6EDE5717968B796D7BFF8BE2536E9

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):
12288:elkOyMJfsGMmOjLwy9jhZmUJRkRGd4rxS7FyYwX/jx54o5DOGVHaEd58Vm8qAmm/:fOyMJfsSQwyNh8leUuoJdHoVm8qfYVS

Entry address:
0x98CC

Entry point:
55, 8B, EC, 83, C4, CC, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, FA, 97, FF, FF, E8, 01, AA, FF, FF, E8, 2C, CC, FF, FF, E8, 73, CC, FF, FF, E8, 0A, F3, FF, FF, E8, 71, F4, FF, FF, 33, C0, 55, 68, 76, 9F, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 2C, 9F, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, B0, 40, 00, E8, 9B, FE, FF, FF, E8, 26, FA, FF, FF, 8D, 55, F0, 33, C0, E8, E0, D0, FF, FF, 8B, 55, F0, B8, D8, BD, 40, 00, E8, AB, 98, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, D8, BD, 40, 00, B2, 01, B8...
 
[+]

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

Code size:
36 KB (36,864 bytes)

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

http://download4.dobreprogramy.pl/.../x64

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