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dropboxsetup.exe

DropBox

Download Assistant

This is part of the Air Installer, a download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application dropboxsetup.exe, “DropBox ” by Download Assistant 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 AirInstaller Download Manager installer. The installer is marketed through download protals and search ads as Dropbox but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
Download Assistant   (signed by Download Assistant)

Product:
DropBox

Description:
DropBox

Version:
3.0.0.31

MD5:
b8820bfd50d3c08fdc48931845505b5b

SHA-1:
d7c91c0b03a78d58986bf6a9c0ea9e07cf3440a0

SHA-256:
94ac6b275f758b684a8a0b35646b19cab1cae8c439c568588ade683bdd9692a9

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 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:
11/5/2024 2:25:40 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.Download.Bundler (M)
16.6.27.18

File size:
919.3 KB (941,408 bytes)

Product version:
3.0.0.31

Copyright:
(c) Download Assistant

Original file name:
setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

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

Digital Signature
Signed by:
Download Assistant

Authority:
VeriSign, Inc.

Valid from:
8/12/2014 6:00:00 PM

Valid to:
8/12/2016 5:59:59 PM

Subject:
CN=Download Assistant, O=Download Assistant, L=Victoria, S=British Columbia, C=CA

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
6BC405E8AC962C676F54816BCC4D4311

File PE Metadata
Compilation timestamp:
10/10/2014 3:47:50 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:jUac7EJEhlpyouGViLlvOljoJFRJHJ2rHbXF:j27E4LDVQvOljoRJpOHZ

Entry address:
0x4FBBF

Entry point:
E8, 5E, 09, 01, 00, E9, 89, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, 8B, 54, 24, 0C, 8B, 4C, 24, 04, 85, D2, 74, 69, 33, C0, 8A, 44, 24, 08, 84, C0, 75, 16, 81, FA, 80, 00, 00, 00, 72, 0E, 83, 3D, E0, 48, 4A, 00, 00, 74, 05, E9, C1, 09, 01, 00, 57, 8B, F9, 83, FA, 04, 72, 31, F7, D9, 83, E1, 03, 74, 0C, 2B, D1, 88, 07, 83, C7, 01, 83, E9, 01, 75, F6, 8B, C8, C1, E0, 08, 03, C1, 8B, C8, C1, E0, 10, 03, C1, 8B, CA, 83, E2, 03, C1, E9, 02, 74, 06, F3, AB, 85, D2, 74, 0A, 88, 07, 83, C7, 01, 83, EA, 01, 75, F6...
 
[+]

Entropy:
7.2021

Code size:
469.5 KB (480,768 bytes)

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

http://download.dwnload.org/v2/click/ftucuo66/?d=http://dwnload.org/.../dropbox.exe&n=DropBox&key=24ef96f98c9fcc0f1a34781e6000e61f4e7e7332ee4d024a1a0d2640db27aaf8&affiliate_image=&product_image=http://dwnload.org/.../dropbox.png&sid=GUS2-dropbox&filename=DropBoxSetup

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