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 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the installCore installer. The file has been seen being downloaded from www.fastfreedownloadion.com.
Publisher:
Bestop-app  (signed and verified)

MD5:
00a5055ab721b7194a0ea8cc7ced3131

SHA-1:
f5eabc3a76f2c90b2bdf90794110b3adccb216ff

SHA-256:
27cba6e50e5366a1c3b0793ade34b9888a0797314797e72ae4eb6cdf57fa002b

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

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:
11/6/2024 12:49:34 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.Bestopap.Installer (M)
16.7.6.3

File size:
817 KB (836,608 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:

Authority:
COMODO CA Limited

Valid from:
4/1/2014 8:00:00 PM

Valid to:
4/2/2015 7:59:59 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 6:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:SjEa4hI9zPSKtVn56KZudZVGCTnTJDpluYtCv1ifDLN:S4NKBtVn56KZufTnTJDpluYwv1

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:
7.8810

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.

Remove flvplayersetup.exe - Powered by Reason Core Security