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jdownloadersetup_v0.9581.exe

JDownloader

AppWork GmbH

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application jdownloadersetup_v0.9581.exe, “JDownloader Setup for Windows” by AppWork GmbH has been detected as a potentially unwanted program by 3 anti-malware scanners. The program is a setup application that uses the installCore installer. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from www.afterdawn.com and multiple other hosts a known adware distribution point operated by AfterDawn.
Publisher:
AppWork UG (haftungsbeschränkt)  (signed by AppWork GmbH)

Product:
JDownloader

Description:
JDownloader Setup for Windows

Version:
${VERSION}

MD5:
1dc19328ddd57bbeae91a324c6c07720

SHA-1:
bcaeb36bfca83f6c6861f8f91c0ff9e933bf5d22

SHA-256:
dbb828e2d0cb7cb0bbf43ed558d10b2c8a3222731f25d7185a07e31264884af5

Scanner detections:
3 / 68

Status:
Potentially unwanted

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:
4/27/2025 6:15:56 PM UTC  (today)

Scan engine
Detection
Engine version

NANO AntiVirus
Trojan.Html.Heuristic-script.cadouz
0.28.2.61942

Reason Heuristics
PUP.Installer.AppWorkGmbH.X
14.9.21.5

Vba32 AntiVirus
suspected of Trojan.Downloader.gen.h
3.12.26.3

File size:
27.6 MB (28,894,600 bytes)

Copyright:
AppWork UG (haftungsbeschränkt)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Nullsoft Install System)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\jdownloader_v0\jdownloadersetup_v0.9581.exe

Digital Signature
Signed by:
AppWork GmbH

Authority:
GlobalSign nv-sa

Valid from:
3/1/2011 6:00:48 AM

Valid to:
3/1/2014 6:00:41 AM

Subject:
E=e-mail@appwork.org, CN=AppWork GmbH, O=AppWork GmbH, L=Fürth, S=Bavaria, C=DE

Issuer:
CN=GlobalSign ObjectSign CA, OU=ObjectSign CA, O=GlobalSign nv-sa, C=BE

Serial number:
0100000000012E71E7355C

File PE Metadata
Compilation timestamp:
12/5/2009 2:53:13 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
393216:9eebKizaSUNFr+a+SrIDYhpHePjLfiIm9culj7ceYnuz/9BFnvbvMwCnHl/mYxim:9TxUrr+3SrRTYnXz0MVn6HvbvanHw/

Entry address:
0x352F

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, B8, A7, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 80, 40, 00, 53, FF, 15, 88, 82, 40, 00, 6A, 08, A3, 98, 63, 42, 00, E8, D6, 2E, 00, 00, A3, E4, 62, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 88, 0C, 42, 00, FF, 15, 58, 81, 40, 00, 68, AC, A7, 40, 00, 68, E0, 5A, 42, 00, E8, DC, 29, 00, 00, FF, 15, AC, 80, 40, 00, BF, 00, C0, 42, 00, 50, 57, E8, CA, 29, 00, 00...
 
[+]

Entropy:
7.9996

Packer / compiler:
Nullsoft install system v2.x

Code size:
24.5 KB (25,088 bytes)

The file jdownloadersetup_v0.9581.exe has been seen being distributed by the following 2 URLs.

http://www.afterdawn.com/software/.../download.cfm?version_id=33707&software_id=2505&mirror_id=0&installer=0&perion=0&air_installer=0

http://dl1.afterdawn.com/download/8c09e9a147fe13f95c33a8a26fb56c7d/56803042/.../JDownloaderSetup_v0.9581.exe

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