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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 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:
idcventures  (signed by IDC Ventures LLC)

Product:
Dropbox

Version:
3.0.0.89

MD5:
679872a589a496c85219d8219266f53e

SHA-1:
92df7c107926d456ac0b1130d7851d9d53ba0fae

SHA-256:
f4f786c9bbc99cf4c4b06bc7a244fa3cf6a4202f5cbc240ece8cfd77ee549d30

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 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
5/11/2024 2:32:09 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.IDCVentu.Bundler (M)
16.5.31.14

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:
12/26/2014 8:00:00 AM

Valid to:
12/26/2016 7:59:59 AM

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:
3/27/2015 10:45:27 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:WueCe3DFRcVKiZIoJ7XIRWWY47mnxHbBzwljPCEB9c:TqbXi0SnN9wBE

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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