downloadmanagersetup.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 downloadmanagersetup.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.mmdhost.info.
Publisher:
Bestop-app  (signed and verified)

MD5:
f65ce840f49c62886d5b582f23589561

SHA-1:
aafc19e61e2d16e74aece6a647e46c4f6264e163

SHA-256:
e4a92ce8c9af7a316c4ad284136363b2fc52cace39f43b9c0be373da7923ae90

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 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:
1/13/2025 5:42:51 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
7.11.183.254

AVG
Generic
2015.0.3285

Clam AntiVirus
Win.Trojan.Installcore-303
0.98/19654

Comodo Security
Application.Win32.InstallCore.MZIV
20045

Dr.Web
Trojan.Packed.24524
9.0.1.05190

ESET NOD32
Win32/InstallCore.QH potentially unwanted application
7.0.302.0

G Data
Win32.Application.InstallCore.CI
14.11.24

K7 AntiVirus
Unwanted-Program
13.185.13965

Malwarebytes
PUP.Optional.Bestop
v2014.11.19.04

McAfee
CryptInno
5600.6941

NANO AntiVirus
Trojan.Text.Drop.dhqarh
0.28.6.62995

Reason Heuristics
PUP.Installer.Bestopapp.U
14.11.19.16

VIPRE Antivirus
Threat.4150696
34232

File size:
786.5 KB (805,416 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\downloadmanagersetup.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:nFFqc50OKTEQnr9/zCjR76xIOpz6jk4Oz:nn1eOI1RGjF6xIOpGo4

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:
7.8733

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

Code size:
37 KB (37,888 bytes)

The file downloadmanagersetup.exe has been seen being distributed by the following URL.

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