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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 lb2-media-dist-918519637.eu-west-1.elb.amazonaws.com.
Publisher:
Bestop-app  (signed and verified)

MD5:
f368dc73f511b474318de248620485b5

SHA-1:
f128f9c132b8a5fb9085b29f96997e894d0c201b

SHA-256:
12f04f7f48ef46cc4f9b7e72dc2014e14347f6707681914f6793090621301803

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:
4/24/2024 6:16:19 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2015.0.3336

Comodo Security
Application.Win32.InstallCore.MZIV
19659

Dr.Web
Trojan.Packed.24524
9.0.1.05190

ESET NOD32
Win32/InstallCore.QL potentially unwanted application
7.0.302.0

K7 AntiVirus
Unwanted-Program
13.183.13535

Reason Heuristics
PUP.Installer.Bestopapp.U
14.9.30.8

Sophos
Install Core Click run software
4.98

VIPRE Antivirus
Threat.4788237
33120

Zillya! Antivirus
Adware.InstallCore.Win32.221
2.0.0.1938

File size:
787.5 KB (806,392 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:
Bestop-app

Authority:
COMODO CA Limited

Valid from:
4/1/2014 9:00:00 PM

Valid to:
4/2/2015 8:59:59 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 7:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:ljv5X/RiIuzACaD+S1M6i6QSmqiB/Y7ff:l7xRgnaD+S1NQtv+f

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

http://lb2-media-dist-918519637.eu-west-1.elb.amazonaws.com/download-manager/ob/.../?dl=1&lg=pt&SourceId=355&CreativeId=26654201&LineItemId=9405534&PublisherId=724166&SectionId=310563366&chnl=rmx310563366&dp=00003c5b1581b809d4e8786880dc454830a64&webid=f76a55e1-9f1a-4edf-ad65-5216c3494ec3&lp=ob

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