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dropbox.exe

Dropbox

Download Manager

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, “Dropbox ” by Download Manager 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. 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:
DownloadManagercerts   (signed by Download Manager)

Product:
Dropbox

Description:
Dropbox

Version:
2.0.83.0

MD5:
5f975247043409740a0f50c7298f95c5

SHA-1:
343b90b6e910346a84e53bf65a97b7e05812b8a4

SHA-256:
33156c7df936666e4b951df64b6f3d5da14c749624b008b80bbc57a24f06d641

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 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:
4/29/2024 9:02:36 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.DownloadManager.Bundler (M)
16.1.10.12

File size:
914.8 KB (936,792 bytes)

Product version:
2.0.83.0

Copyright:
(c) DownloadManagercerts

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}\downloads.exe

Digital Signature
Signed by:
Download Manager

Authority:
VeriSign, Inc.

Valid from:
6/9/2014 5:00:00 PM

Valid to:
7/11/2017 4:59:59 PM

Subject:
CN=Download Manager, O=Download Manager, 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:
6771A39C2739AF7082C1C8D8234BB168

File PE Metadata
Compilation timestamp:
9/19/2014 9:28:49 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:x5jidBzc/kf2gs5VKq2w/Sa+/dxvrAuCmqNe4naobjq6BNhyFRR9HMQHnwU9Em:x5ufuvg//vFePjTB8RR9HMQHn3+m

Entry address:
0x2A24F0

Entry point:
60, BE, 00, F0, 5C, 00, 8D, BE, 00, 20, E3, FF, 57, 83, CD, FF, EB, 10, 90, 90, 90, 90, 90, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 75, D1, F8, 89...
 
[+]

Packer / compiler:
UPX 2.90LZMA

Code size:
848 KB (868,352 bytes)

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

http://www.installer-assist.com/.../dropbox-full.exe

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