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dropbox-installer.exe

Rof

Sambamedia llc

This is the Softpulse installer which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application dropbox-installer.exe, “Rof Setup ” by Sambamedia llc 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 Softpulse SoftwareBundler installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. 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:
Sambamedia llc  (signed and verified)

Product:
Rof

Description:
Rof Setup

MD5:
b47c8a1cb42f367bc5881d24b09dc98e

SHA-1:
00055120932ec53db15775210a75ea9c9598eef4

SHA-256:
f06dc399d08622fb956c6b015fba91085f1d0994bdf8cf6527d741fb906a74b8

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

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:
12/27/2024 1:26:15 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore (M)
17.3.15.21

File size:
1.2 MB (1,268,936 bytes)

Product version:
4.0

Copyright:
Internet Wizard

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Softpulse SoftwareBundler (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
Sambamedia llc

Authority:
thawte, Inc.

Valid from:
12/21/2015 1:00:00 AM

Valid to:
1/20/2017 12:59:59 AM

Subject:
CN=Sambamedia llc, O=Sambamedia llc, L=Wilmington, S=Delaware, C=US

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
08AF0B7DB5193EDC6FFE31467E46AA55

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
39.5 KB (40,448 bytes)

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

http://www.vaultflashapplication.com/TkK1mXuBT7NUBVDmUymIHSJ4brLHp Mdw68oJPajgC2Ex 6J0GYLe329eCSjm1S0DwKjNyr3A1f7hRH54cXMTenEeAVTCflP32pjUQSdpzhX202UqNh97SF7Ssilqe_QhahPc0r_q6zscmoUK_7NMRNuAGs_tWgGfyDmgIw8Rl3X2rX8Lhmb7 FXGTq5J_1wy_y4YbmE-Ow==

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