home

dropbox.exe

installer.exe

Firseria

The setup program uses the Firseria/Solimba AppInstaller (DownloadMR) which is a monetization download manager that bundles additional adware offers, typically by wrapping legitimate applications. The application dropbox.exe by Firseria 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 Solimba DownloadMR installer. The installer uses the Solimba download manager to push adware offers during the download and setup process. Bundled adware includes search and shopping web browser toolbars. 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:
Firseria sl  (signed by Firseria)

Product:
installer.exe

Description:
setup_manager

Version:
3.1.12.9

MD5:
fdc246c6678d4e8794b0a0a810f07888

SHA-1:
d1fe6f4315ae1fc2e32f26bfc508fee66795a973

SHA-256:
10e6e7b3bc321b6a6c9e39c6fed97d3541c5ff8ec99ba8ec9ccb0775561ea5cc

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Uses the Solimba installer to bundle adware offers.

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:
4/25/2024 4:57:47 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Solimba (M)
16.8.5.14

File size:
494.9 KB (506,784 bytes)

Product version:
3.1.17

Copyright:
copyright © 2014

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR

Language:
Language Neutral

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

Digital Signature
Signed by:
Firseria

Authority:
GlobalSign nv-sa

Valid from:
11/12/2013 2:34:44 AM

Valid to:
11/13/2014 2:34:44 AM

Subject:
E=support@solimba.com, CN=Firseria, O=Firseria, L=Badalona, S=Barcelona, C=ES

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
112130C3B28D7C9C29B8B07321EF3F8A1462

File PE Metadata
Compilation timestamp:
6/10/2014 7:14:57 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:f2VuY9g81IOz/YUT3KlKPmgqwoxG1xHiWCIJCSr:f2VuY9rIOzcrwoxG/HZPr

Entry address:
0xE5CA

Entry point:
E8, 7C, 79, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, 10, E4, 41, 00, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, C4, E0, 41, 00, C9, C2, 08, 00, 8B, FF, 55, 8B, EC, 8B, 45, 08, 33, C9, 3B, 04, CD, 60, 54, 42, 00, 74, 13, 41, 83, F9, 2D, 72, F1, 8D, 48, ED, 83, F9, 11, 77, 0E, 6A, 0D, 58, 5D, C3, 8B, 04, CD, 64...
 
[+]

Entropy:
7.6589

Code size:
115 KB (117,760 bytes)

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

http://www.win-install.com/dropbox/download/.../713

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