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dropbox_setup.exe

Advertiso GmbH

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application dropbox_setup.exe by Advertiso GmbH 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. With this installer, users are expecting to download Dropbox but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
Advertiso GmbH  (signed and verified)

MD5:
ca923de9779637f42e286495ca0a0d2c

SHA-1:
a59add6c01adb5a9ae70dfc85aa1fa31bd2831a4

SHA-256:
b277649d831af0dd48eaa9b019b9964f88e8b95b15cf8b681a250908ec733885

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:
4/26/2024 7:36:19 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
Adware/InstallCore.MZ
7.11.170.84

AVG
InstallC
2015.0.3345

Comodo Security
Application.Win32.Installcore.MZ
19579

Dr.Web
Trojan.Packed.28386
9.0.1.0264

ESET NOD32
Win32/InstallCore.MZ potentially unwanted application
8.7.0.302.0

herdProtect (fuzzy)
variant of drivermax_setup.exe (Adware)
2014.12.3.17

K7 AntiVirus
Unwanted-Program
13.183.13230

Reason Heuristics
PUP.Installer.AdvertisoGmbH.N
14.9.21.8

Sophos
Install Core Click run software
4.98

VIPRE Antivirus
Threat.4786018
32210

Zillya! Antivirus
Adware.InstallCore.Win32.196
2.0.0.1907

File size:
777 KB (795,672 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\downloads_setup.exe

Digital Signature
Signed by:
Advertiso GmbH

Authority:
COMODO CA Limited

Valid from:
10/28/2013 1:00:00 AM

Valid to:
10/29/2014 12:59:59 AM

Subject:
CN=Advertiso GmbH, O=Advertiso GmbH, STREET=Kiebitzhof 1a, L=Hamburg, S=Hamburg, PostalCode=22089, C=DE

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
5E967C83796D144C896154F79240904C

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:k0FN1zJp5RKMlVwuqbMwFePqM27YUocRL:k+n5RKMXwuqbMwF3Loc9

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:
7.7818

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

Code size:
37 KB (37,888 bytes)

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

https://s3-eu-west-1.amazonaws.com/securecloudfiledownload1409467241/fast/downloads/67650/.../dropbox_setup.exe

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