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

MD5:
5ef4aee0f2e405d0e3059fa8ce328bc0

SHA-1:
6f63b606aadb140512c8dbc5b782933348b10b10

SHA-256:
d080bd9574b5784268a85a6f6faf7c6b76607f88eedcef0cfd1b938356712e3b

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 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:
4/19/2024 9:47:37 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2015.0.3379

Dr.Web
Trojan.Packed.24524
9.0.1.05190

ESET NOD32
Win32/InstallCore.BC
8.10270

K7 AntiVirus
Unwanted-Program
13.183.13054

Malwarebytes
PUP.Optional.InstallCore
v2014.08.17.06

Reason Heuristics
PUP.Installer.Bestopapp.O
14.8.17.17

Sophos
Install Core Click run software
4.98

SUPERAntiSpyware
PUP.InstallCore/Variant
10415

VIPRE Antivirus
Threat.4788237
32210

File size:
774.1 KB (792,648 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:r5vEZZwqEUgEKKReV774R8DQDs1y+/rTM1kdv:rNS7NlRex4R8++/MSdv

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...
 
[+]

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.coolsoftwaredownloads.com/flv-player/gcp/.../?dl=1&chnl=mobit2&dp=ZjdXVpZD03MWJjOWNhNS02YTA1LTRjYjAtOWI2ZC04ZGUwNGM4M2RjOGQ

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