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 11 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:
9f8dc84eefcfad5e888bb44aa9ed9b76

SHA-1:
658dea91dd7e32cfc96de1fb396b8bfdb644cd82

SHA-256:
f5d843b1af1c6da0a878e6465bc272d518e8d131bedcd9578c04ac7c4d74be0d

Scanner detections:
11 / 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:
5/1/2024 6:20:54 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2015.0.3382

Dr.Web
Trojan.Packed.24524
9.0.1.0226

ESET NOD32
Win32/InstallCore.BC
8.10258

herdProtect (fuzzy)
2014.10.29.21

K7 AntiVirus
Unwanted-Program
13.183.13054

Malwarebytes
v2014.08.14.04

McAfee
Trojan.Artemis!9F8DC84EEFCF
16.8.708.2

Reason Heuristics
PUP.Installer.Bestopapp.AA
14.8.14.10

SUPERAntiSpyware
10422

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:
Language Neutral

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

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
4/1/2014 5:00:00 PM

Valid to:
4/2/2015 4:59:59 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 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:C5vEZZwqEUgEKKReV774R8DQDs1y+/rTM1kdv:CNS7NlRex4R8++/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...
 
[+]

Entropy:
7.8725

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)

TCP (HTTP):
Connects to cdneu.webfilescdn.com  (65.254.40.36:80)

Remove icreinstall_flvplayersetup.exe - Powered by Reason Core Security