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Dropbox.exe

Dropbox

IDC Ventures LLC

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 Dropbox.exe by IDC Ventures has been detected as adware by 21 anti-malware scanners. The program is a setup application that uses the AirInstaller Download Manager installer. This program installs potentially unwanted software on your PC at the same time as the software you are trying to install, without adequate consent. 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:
idcventures  (signed by IDC Ventures LLC)

Product:
Dropbox

Version:
3.0.0.89

MD5:
e6f19b1178f48bb4d232891f0b186d07

SHA-1:
d62da40c8355bdda15f8ce1fa137f117fca5871a

SHA-256:
15f8668ba3f7574b0244aa39197dc741538e165d084083ef9d08c711c1a1dd4b

Scanner detections:
21 / 68

Status:
Adware

Explanation:
Bundles additional software, mostly toolbars and other potentially unwanted applications using the Vittalia monitization installer.

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:
4/23/2024 6:02:54 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Application.Bundler.AirInstaller.5
5760509

AhnLab V3 Security
PUP/Win32.DownloadAdmin
2015.06.13

Avira AntiVirus
TR/Crypt.XPACK.Gen
8.3.1.6

Arcabit
Trojan.Application.Bundler.AirInstaller.5
1.0.0.425

avast!
Win32:Adware-CJX [PUP]
150602-1

AVG
Generic
2016.0.3080

Bitdefender
Gen:Variant.Application.Bundler.AirInstaller.5
1.0.20.815

Bkav FE
W32.HfsAdware
1.3.0.6379

Comodo Security
Application.Win32.DownloadAssistant.S
22427

Dr.Web
Trojan.Vittalia.30
9.0.1.05190

Emsisoft Anti-Malware
Gen:Variant.Application.Bundler.AirInstaller
10.0.0.5366

ESET NOD32
Win32/DownloadAssistant.A potentially unwanted application
7.0.302.0

F-Secure
Riskware.Gen:Variant.Application.Bundler
5.14.151

G Data
Gen:Variant.Application.Bundler.AirInstaller
15.6.25

K7 AntiVirus
Unwanted-Program
13.205.16229

MicroWorld eScan
Gen:Variant.Application.Bundler.AirInstaller.5
16.0.0.489

NANO AntiVirus
Trojan.Win32.Vittalia.dqfrig
0.30.24.2086

Norman
Gen:Variant.Application.Bundler.AirInstaller.5
02.06.2015 14:23:46

Panda Antivirus
Trj/Genetic.gen
15.06.12.05

Reason Heuristics
PUP.Air Software.Bundler
15.6.12.12

Rising Antivirus
PE:Malware.XPACK-HIE/Heur!1.9C48
23.00.65.15610

File size:
956.6 KB (979,608 bytes)

Product version:
3.0.0.89

Copyright:
(c) idcventures

Original file name:
Dropbox.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

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

Digital Signature
Signed by:
IDC Ventures LLC

Authority:
Symantec Corporation

Valid from:
12/25/2014 7:00:00 PM

Valid to:
12/25/2016 6:59:59 PM

Subject:
CN=IDC Ventures LLC, O=IDC Ventures LLC, L=Vermilion, S=Ohio, C=US

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
57A88D08BD785CCB956355DFF2389330

File PE Metadata
Compilation timestamp:
4/3/2015 5:50:50 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:dHv6iVUm3wKECPGXBO2mdG46zPk9s9yG+p8WFSo:t6wU6IgNdGFc9sIp8WF7

Entry address:
0x126A

Entry point:
55, 8B, EC, 83, EC, 10, 53, 56, 57, 6A, 00, FF, 15, 08, 10, 49, 00, 8B, F8, 33, D2, 8B, CF, 8B, 5F, 3C, 03, DF, 2B, 05, 1C, 10, 40, 00, 89, 45, F4, 1B, D2, F7, D8, 89, 55, F8, 0F, B7, 73, 14, 83, D2, 00, F7, DA, 89, 75, F0, 52, 8B, 93, A0, 00, 00, 00, 50, 8B, 44, 1E, 24, 03, 05, 28, 10, 40, 00, 50, FF, B3, A4, 00, 00, 00, E8, 88, FD, FF, FF, 8B, 54, 1E, 28, 83, C4, 10, A1, 28, 10, 40, 00, 2B, D0, 83, FA, 01, 76, 0D, 8B, 4C, 1E, 24, 03, C8, 03, CF, E8, F2, FE, FF, FF, A1, 20, 10, 40, 00, 83, C6, 40, 03, F3...
 
[+]

Entropy:
7.0408

Developed / compiled with:
Microsoft Visual C++

Code size:
574.5 KB (588,288 bytes)

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

http://download.program-assist.com/v2/click/b8152820/?d=http://www.installer-assist.com/download/dropbox-full.exe&key=877158b4ec7d6f77c845a0269b7d73dcac1f7f0fe3e18caac2aefa3d54c5d376&sid=Dropbox&uid=Dropbox&affiliate_image=http://download-assist.com/admin/.../dropbox_i.png&product_image=http://download-assist.com/admin/.../dropbox_p.png&n=Dropbox&filename=Dropbox

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