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Winamp.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 Winamp.exe by dobreprogramy sp. z o.o has been detected as adware by 9 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 download.dobreprogramy.pl and multiple other hosts.
Publisher:
dobreprogramy sp. z o.o.  (signed and verified)

MD5:
d34fa2188872638cbb73635afeef9e77

SHA-1:
79304b77818f2a9fb41d59a11dad81a8f1417619

SHA-256:
278b5f199da99bbdeac6f33e1359d39528014579d3e74518d4c3e74094493a36

Scanner detections:
9 / 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:
4/26/2024 1:23:13 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.143.80

AVG
MalSign.InstallC
2015.0.3505

Dr.Web
Trojan.Packed.24524
9.0.1.0104

ESET NOD32
Win32/InstallCore.MH
8.9672

K7 AntiVirus
Unwanted-Program
13.176.11737

Reason Heuristics
PUP.dobreprogramyspzoo.N
14.4.13.22

Sophos
Install Core Click run software
4.98

VIPRE Antivirus
Adware.Win32.InstallCore.ba
28214

File size:
684.4 KB (700,824 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

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

Authority:
COMODO CA Limited

Valid from:
6/5/2013 8:00:00 PM

Valid to:
6/6/2014 7:59:59 PM

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:
6/19/1992 6:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:S4JepWujGjJ2Nieydza84g/2J/VpMvvkgM9GelnVwJz4ZvZpWViltE+K:S4JebjaJ23Gzbq/PME7zlnVwJz4ZBp6c

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:
7.8366

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

Code size:
37 KB (37,888 bytes)

The file Winamp.exe has been seen being distributed by the following 2 URLs.

http://download.dobreprogramy.pl/.../x86

http://download5.dobreprogramy.pl/.../x86

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