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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 15 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.installsyard.com and multiple other hosts.
Publisher:
Bestop-app  (signed and verified)

MD5:
ee8dda32ce8aac2ff716c773f4d72e8b

SHA-1:
0bc1e03dc580b740d8a88d2c3ae33fe37aac47f9

SHA-256:
e36645c9e759772bf0d48eea7518dc3a463eb8618d632820600af699351254fc

Scanner detections:
15 / 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 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
5/15/2024 1:47:17 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
Adware/InstallCore.QH.4
7.11.174.166

AVG
Generic
2015.0.3341

Clam AntiVirus
Win.Trojan.Installcore-245
0.98/19438

Comodo Security
Application.Win32.InstallCore.MZIV
19623

Dr.Web
Trojan.Packed.24524
9.0.1.0268

ESET NOD32
Win32/InstallCore.QH (variant)
8.10467

herdProtect (fuzzy)
variant of icreinstall_flvplayersetup.exe (Adware)
2014.12.7.0

K7 AntiVirus
Unwanted-Program
13.183.13490

Malwarebytes
PUP.Optional.InstallCore
v2014.09.25.02

McAfee
CryptInno
5600.6997

NANO AntiVirus
Riskware.Win32.InstallCore.dfgmcx
0.28.2.62286

Reason Heuristics
PUP.Installer.Bestopapp.O
14.9.25.1

Sophos
Install Core Click run software
4.98

VIPRE Antivirus
Threat.4150696
32938

File size:
808 KB (827,416 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Digital Signature
Signed by:
Bestop-app

Authority:
COMODO CA Limited

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

Valid to:
4/3/2015 1:59:59 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 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:qmFqu8Q18ivsXupHWGFiCxT1tFyYexcElwvcdX:qEDf8ws+pHl1EY6LAcd

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:
7.8755

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.installsyard.com/flv-player/gcp/.../?dl=1&chnl=mobit2&dp=Z3dXVpZD1jZWVkMDEwNy0xODljLTQ5OWEtOWM5MS0wMzFlMWZkMGQ3ZjU

http://www.installsjunkyard.com/flv-player/gcp/.../?dl=1&chnl=mobit2&dp=Z3dXVpZD1jZWVkMDEwNy0xODljLTQ5OWEtOWM5MS0wMzFlMWZkMGQ3ZjU

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