dropbox_setup.exe

Nasema

AgileMax (Alpha Criteria Ltd.)

The application dropbox_setup.exe, “Nasema 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:
Kalema   (signed by AgileMax (Alpha Criteria Ltd.))

Product:
Nasema

Description:
Nasema Setup

Version:
2.8.2.6

MD5:
23f76b9c46e68cdda0e75999ba48fe55

SHA-1:
6d6a1e407ee8816b356a7382066f81b18a1cd99b

SHA-256:
a5c917b70d33dfae773b0300f8a32cbc0ae83c4b8b443ce8695584de5ab7920b

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 '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:
11/25/2024 11:24:16 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.AC.Installer (M)
16.5.27.20

File size:
937.9 KB (960,360 bytes)

Product version:
1.0.5

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Authority:
GlobalSign nv-sa

Valid from:
12/16/2015 5:50:27 PM

Valid to:
9/2/2016 4:16:46 PM

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:
6/20/1992 3:52:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:OnUAjCZSiAZnaknV8+xsnSo/6HWgNlUgz5gxqus1d83OJmZZ7ON6:OUmISfZBxu6HWOOgz5Fu4d297OE

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:
7.9363

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.

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