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 19 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:
7ae4f7db3dff0b55453e5891b71d3099

SHA-1:
bfa5a05c8ebcb67e697e86a9fc9d765dd9f992ef

SHA-256:
6d18a324a38fcc2c7680c528a5fc57723849681e64dc6e2e48959342531389ac

Scanner detections:
19 / 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:
4/19/2024 10:43:16 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Bundler.HF
6213306

AhnLab V3 Security
PUP/Win32.InstallCore
2014.12.22

Avira AntiVirus
Adware/InstallCo.zkp
7.11.197.30

AVG
Generic
2015.0.3253

Bitdefender
Application.Bundler.HF
1.0.20.1780

Comodo Security
Application.Win32.InstallCore.MZIV
20438

Dr.Web
Trojan.InstallCore.17
9.0.1.05190

Emsisoft Anti-Malware
Application.Bundler.HF
9.0.0.4668

ESET NOD32
Win32/InstallCore.QW potentially unwanted application
7.0.302.0

F-Secure
Riskware.Application.Bundler.HF
5.13.68

G Data
Application.Bundler.HF
14.12.24

IKARUS anti.virus
PUA.Bundler
t3scan.1.8.5.0

K7 AntiVirus
Unwanted-Program
13.188.14410

Malwarebytes
PUP.Optional.Bestop
v2014.12.22.05

NANO AntiVirus
Riskware.Win32.InstallCore.djeefc
0.28.6.64267

Norman
Application.Bundler.HF
04.12.2014 14:30:06

Reason Heuristics
PUP.Installer.Bestopapp.AA
14.12.22.5

Sophos
PUA 'Install Core Click run software'
5.09

VIPRE Antivirus
Threat.4788237
35418

File size:
814.6 KB (834,192 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}\appdata\local\temp\icreinstall_flvplayersetup.exe

Digital Signature
Signed by:

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):
12288:bOkpMzBmQnLPXX2xWl0sTbxKQrthc/I9IdIb/22JeQXCzwT3dKDIbcGb:bOkKFmwX2iFBrqI5b/1v9KDMx

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 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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