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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 10 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:
317b69fb4964ac0f3d1f65840914eac7

SHA-1:
4a586e2b8002ea05e072f551557b81ccd50ea259

SHA-256:
4aa7f90b100d8255e5f7d3d018e5d2722f430af77b93829163dbdb5bb2aa2d18

Scanner detections:
10 / 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:
4/26/2024 5:13:06 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2015.0.3281

Dr.Web
Trojan.Packed.24524
9.0.1.0328

ESET NOD32
Win32/InstallCore.PK potentially unwanted application
8.7.0.302.0

herdProtect (fuzzy)
variant of icreinstall_flvplayersetup.exe (Adware)
2014.11.24.8

K7 AntiVirus
Unwanted-Program
13.183.12998

Kaspersky
not-a-virus:AdWare.Win32.InstallCore
14.0.0.2899

Malwarebytes
PUP.Optional.Downloader
v2014.11.24.03

Reason Heuristics
PUP.Installer.Bestopapp.O
14.9.18.11

Sophos
Install Core Click run software
4.98

VIPRE Antivirus
Threat.4788237
31208

File size:
704 KB (720,928 bytes)

Product version:
1.5

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
Bestop-app

Authority:
COMODO CA Limited

Valid from:
4/2/2014 12:00:00 AM

Valid to:
4/2/2015 11:59:59 PM

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:
6/19/1992 10:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:5QFaBnqUWy0hba7qsWCm0nMDs2RwJy2NEEXhYP4NTxB3Bbaf7YkDR1c:5QFMq1VhbaVBDnMxqJy1E04NTCDX

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.coolsoftwaredownloads.com/flv-player/gcp/.../?dl=1&dp=ZZf2518813Za2016225Zg101Zw4Zm1Zc1856000627,1856000627Zs198Zi0ZZ

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