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dropbox_setup.exe

Posabo

AgileMax (Alpha Criteria Ltd.)

The application dropbox_setup.exe, “Posabo Setup ” by AgileMax (Alpha Criteria) 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 installCore 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:
AgileMax (Alpha Criteria Ltd.)  (signed and verified)

Product:
Posabo

Description:
Posabo Setup

MD5:
42f48aa9316c87170c0395a02348cc09

SHA-1:
4f7a73b59e8d66432d4ef77fc1c3c054fd8af300

SHA-256:
1a034d792e0e3b48d330d78291089981ba84f46d05bb9d6fbdf867f6d5d2d972

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:
1/13/2025 6:43:13 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.AC.Installer (M)
16.6.12.17

File size:
941.9 KB (964,496 bytes)

Product version:
1.5.1

Copyright:
Fast Wizard

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

Digital Signature
Signed by:
AgileMax (Alpha Criteria Ltd.)

Authority:
GlobalSign nv-sa

Valid from:
12/16/2015 6:20:27 AM

Valid to:
9/2/2016 5:46:46 AM

Subject:
CN=AgileMax (Alpha Criteria Ltd.), O=AgileMax (Alpha Criteria Ltd.), L=Tel Aviv, C=IL

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121FDBE79F75900E75EC6DA424D0A814FB0

File PE Metadata
Compilation timestamp:
6/19/1992 5:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:GHLy2vDm5Ees8dZrbPY+h9I4kuyuoTDIRf766vP1:GrHDZeLjbjhC4j3oTcRf766n1

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...
 
[+]

Entropy:
7.9349

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

Code size:
39.5 KB (40,448 bytes)

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

http://www.dlcycledownloads.com/c?x=1S53bUZTLZnRYqs7rDUBCAjnmThqreNs7UjiPBIvirM=&c=1EmAiYU7NIHRBB U/y51Wk6xLd7zz0uKh7Yl1tRiOdJjurDJEQf X 2VlOYKJ49Ykn/7aKF3qr cUi rK5MDVcvFXqzsR8n80IdVKlu1eBNc0NNg 4d8h009ML drsAjH/.../TUY 8yBmtye6LrYNEW2Apx1YmAyw=&e=0&downloadAs=Dropbox_Setup.exe

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