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icreinstall_flvplayersetup.exe

Bestop-app

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_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. It is also typically executed from the user's temporary directory. While running, it connects to the Internet address os.solvefile.com on port 80 using the HTTP protocol.
Publisher:
Bestop-app  (signed and verified)

MD5:
2f3bd6ddedfefe59cbf0f264e77035dd

SHA-1:
059dbeda559f9416c1199da123ec9a801056d0c8

SHA-256:
8e0cc57efa4bf909f9654d137de00e3250621b1f70bfa7ed6fabc21feff1d3e7

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:
5/21/2024 5:57:34 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
2015.0.3292

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

Comodo Security
Application.Win32.InstallCore.MZIV
19623

Dr.Web
Trojan.Packed.24524
9.0.1.0316

ESET NOD32
Win32/InstallCore.QH (variant)
8.10467

herdProtect (fuzzy)
variant of flvplayersetup.exe (Adware)
2014.11.12.17

K7 AntiVirus
Unwanted-Program
13.183.13490

Malwarebytes
PUP.Optional.InstallCore
v2014.11.12.12

McAfee
CryptInno
5600.6948

NANO AntiVirus
Riskware.Win32.InstallCore.dfgmcx
0.28.2.62286

Reason Heuristics
PUP.Installer.Bestopapp.AA
14.9.14.18

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

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_flvplayersetup.exe

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:YmFqu8Q18ivsXupHWGFiCxT1tFyYexcElwvcdX:YEDf8ws+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:
7.8813

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

Code size:
37 KB (37,888 bytes)

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to os.solvefile.com  (207.189.109.121:80)

TCP (HTTP):
Connects to cdnus.solvefile.com  (207.189.109.121:80)

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