free_download_setup.exe

Dnldstr_Aggregator Downloader

Download Sphere

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application free_download_setup.exe by Download Sphere has been detected as adware by 11 anti-malware scanners. 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 file has been seen being downloaded from download.trustcase.org.
Publisher:
Dnldstr_Aggregator  (signed by Download Sphere)

Product:
Dnldstr_Aggregator Downloader

Version:
6.0.45.34368

MD5:
e6a10687ac093aac38f10bfa0b12aeff

SHA-1:
ee5d4f8f12f05471013a5cf633e4d25a55200c63

SHA-256:
f34a49cf4ea57263122d90a058633c351f565a419bdea4b35687a29111890590

Scanner detections:
11 / 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 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:
12/27/2024 5:54:46 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
TR/Dropper.Gen
7.11.30.172

AVG
Generic
2017.0.2838

Bkav FE
W32.HfsAdware
1.3.0.6379

Comodo Security
Application.Win32.InstallCore.KG
21309

Dr.Web
Trojan.InstallCore.61
9.0.1.040

ESET NOD32
Win32/InstallCore.WQ potentially unwanted application
10.7.0.302.0

F-Secure
Gen:Variant.Kazy.311539
11.2016-09-02_3

K7 AntiVirus
Trojan
13.197.15043

Reason Heuristics
PUP.installCore.DownloadSphere.Installer (M)
16.2.9.12

Vba32 AntiVirus
Malware-Cryptor.InstallCore.gen
3.12.26.4

VIPRE Antivirus
Threat.4150696
37788

File size:
773.9 KB (792,480 bytes)

Product version:
6.0.45.34368

Copyright:
Dnldstr_Aggregator

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
1/8/2015 5:00:00 PM

Valid to:
1/8/2017 4:59:59 PM

Subject:
CN=Download Sphere, O=Download Sphere, STREET="1732 1st Ave #26525", L=New York, S=NY, PostalCode=10128, C=US

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
09ED318A28B41FD6E81D57ED46FD6A2D

File PE Metadata
Compilation timestamp:
6/19/1992 4:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:bRhMX6Ur/VzdyjW6cvUTOQBOWwd1jODAAi:b7of/VJyC6cMllwPjuu

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:
7.8854

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

Code size:
39.5 KB (40,448 bytes)

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

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