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 9 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:
8a00799010f203e6bbc82d04718bcaf3

SHA-1:
bc072ebaa6c8042c381268434ce46f4ebfdfd3ab

SHA-256:
3bd3697a0f904e5c358e56245d11e5dc9ab38e134996fabea0288724eade2e8b

Scanner detections:
9 / 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 an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
1/13/2025 5:43:11 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
7.11.179.110

AVG
Generic
2015.0.3318

Comodo Security
Application.Win32.InstallCore.MZIV
19832

Dr.Web
Trojan.Packed.24524
9.0.1.05190

K7 AntiVirus
Unwanted-Program
13.184.13718

McAfee
CryptInno
5600.6974

Reason Heuristics
PUP.Installer.Bestopapp.U
14.10.18.0

VIPRE Antivirus
Threat.4788237
33706

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 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:FFFqc50OKTEQnr9/zCjR76xIOpz6jk4Oz:Fn1eOI1RGjF6xIOpGo4

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:
7.8735

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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