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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.installsjunkyard.com.
Publisher:
Bestop-app  (signed and verified)

MD5:
acbb90814ab822af9d9f4cd4efb6cc11

SHA-1:
b6dc9887e9804b10dc8093cdd2a8c480ffa73938

SHA-256:
d32ccf6ff8db323f2bebcd36c76e893fc1e2220e695d21dd3e0bc59adcb7a217

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 8:26:13 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2015.0.3367

Dr.Web
Trojan.Packed.24524
9.0.1.05190

ESET NOD32
Win32/InstallCore.QH (variant)
8.10337

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

K7 AntiVirus
Unwanted-Program
13.183.13198

Malwarebytes
PUP.Optional.InstallCore
v2014.08.29.05

McAfee
CryptInno
5600.7023

Reason Heuristics
PUP.Installer.Bestopapp.O
14.8.29.13

Sophos
Install Core Click run software
4.98

SUPERAntiSpyware
PUP.InstallCore/Variant
10392

VIPRE Antivirus
Threat.4788237
32210

File size:
778 KB (796,680 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Turkish (Turkey)

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

Digital Signature
Signed by:
Bestop-app

Authority:
COMODO CA Limited

Valid from:
4/2/2014 3:00:00 AM

Valid to:
4/3/2015 2:59:59 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 1:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:ZuFgPlxsdh6wQC3vDDP86hDF0k0eXFBp0er0au:Z8ggEwQC7w6/Xwer

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...
 
[+]

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 URL.

http://www.installsjunkyard.com/flv-player/gcp/.../?dl=1&chnl=mobit2&dp=ZkdXVpZD0yOTgzZjJmMi1lNzFkLTRhNWEtOGEzNS01MTJiYWY3YTFkMzg

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