home

bestplayer.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 bestplayer.exe by dobreprogramy sp. z o.o has been detected as adware by 28 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.
Publisher:
dobreprogramy sp. z o.o.  (signed and verified)

MD5:
58fc4851b1d3d899fbb45bc53f0d847f

SHA-1:
3c3fd561394535143c179230ceb5e0ba3d75f1a6

SHA-256:
632940f1a10fe1bdb4e092af23b75a88593b7e4264f1278372f396533a5bdbcf

Scanner detections:
28 / 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 5:44:58 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Trojan.Generic.11219147
826

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.138.98

AVG
MalSign.InstallC
2015.0.3304

Bitdefender
Trojan.Generic.11219147
1.0.20.1525

Clam AntiVirus
Win.Trojan.11219147
0.98/19185

Comodo Security
ApplicUnwnt
17970

Dr.Web
Trojan.Packed.24524
9.0.1.05190

Emsisoft Anti-Malware
Trojan.Generic.11219147
14.11.01

ESET NOD32
Win32/Injected.F trojan
7.0.302.0

Fortinet FortiGate
Riskware/InstallCore_JE
11/1/2014

F-Prot
W32/A-f9b3add7
v6.4.7.1.166

F-Secure
Trojan.Generic.11219147
11.2014-01-11_7

G Data
Trojan.Generic.11219147
14.11.24

IKARUS anti.virus
AdWare.InstallCore
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.176.11684

Malwarebytes
PUP.Optional.Bundle
v2014.11.01.07

McAfee
Artemis!199A71CCF764
5600.6960

MicroWorld eScan
Trojan.Generic.11219147
15.0.0.915

NANO AntiVirus
Riskware.Win32.InstallCore.dcnbpx
0.28.2.61148

nProtect
Trojan.Generic.11219147
14.04.30.01

Qihoo 360 Security
Win32/Virus.Adware.94c
1.0.0.1015

Reason Heuristics
PUP.dobreprogramyspzoo.R
14.11.1.7

Rising Antivirus
PE:Malware.XPACK-LNR/Heur!1.5594
23.00.65.141030

Sophos
Install Core Click run software
4.98

Vba32 AntiVirus
Downware.InstallCore
3.12.24.3

VIPRE Antivirus
Adware.Win32.InstallCore.ba
27624

Zillya! Antivirus
Trojan.Kryptik.Win32.495060
2.0.0.1835

File size:
657.5 KB (673,248 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\bestplayer.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:PvpWusP7IAGbvzVeh3S+RCmxMwGKfdQbl5cZBFpykOsP2kP:PvbSIVnV7+RionZByk3+k

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:
7.8055

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

Code size:
37 KB (37,888 bytes)

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