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flvplayersetup.exe

Bestop-app

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application flvplayersetup.exe by Bestop-app has been detected as adware by 11 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 www.softwareentryway.com and multiple other hosts.
Publisher:
Bestop-app  (signed and verified)

MD5:
b37cdb78a52b98269db5a5c388af23f5

SHA-1:
7d15ff027b4643e7e31e47163830f12ad0165281

SHA-256:
b5f846c539ca070acf5acefd47345e8c02ab6a833e6c7c7017daca7f6d4878a0

Scanner detections:
11 / 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 also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
4/25/2024 11:18:59 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.181.44

AVG
Generic
2015.0.3311

Comodo Security
Application.Win32.InstallCore.MZIV
19896

Dr.Web
Trojan.Packed.24524
9.0.1.0298

ESET NOD32
Win32/InstallCore.QH (variant)
8.10619

K7 AntiVirus
Unwanted-Program
13.185.13805

Malwarebytes
PUP.Optional.Bestop
v2014.10.25.08

McAfee
CryptInno
5600.6967

Reason Heuristics
PUP.Installer.Bestopapp.O
14.10.25.8

Sophos
Install Core Click run software
4.98

VIPRE Antivirus
InstallCore.b
34232

File size:
786.5 KB (805,416 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

Digital Signature
Signed by:
Bestop-app

Authority:
COMODO CA Limited

Valid from:
4/2/2014 9:00:00 AM

Valid to:
4/3/2015 8:59:59 AM

Subject:
CN=Bestop-app, O=Bestop-app, STREET=28A Lillinblam St., L=Tel-Aviv, S=Israel, PostalCode=651307, C=IL

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

Serial number:
00C583348E8D545D9877E51DBB79A3DECB

File PE Metadata
Compilation timestamp:
6/20/1992 7:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:UFFqc50OKTEQnr9/zCjR76xIOpz6jk4Oz:Un1eOI1RGjF6xIOpGo4

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, BF, A9, FF, FF, E8, 5E, 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:
7.8726

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

Code size:
37 KB (37,888 bytes)

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

http://www.softwareentryway.com/flv-player/adbr2/.../?lg=en&dl=1&dp=AH10g5dqyb

http://www.gobestinstall.com/flv-player/adbr2/.../?lg=en&dl=1&dp=AH10g5dqyb

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