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JDownloader2Update.exe

JDownloader Update

Appwork GmbH

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application JDownloader2Update.exe, “JDownloader 2 Update Launcher” 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. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions.
Publisher:
Appwork GmbH  (signed and verified)

Product:
JDownloader Update

Description:
JDownloader 2 Update Launcher

Version:
2.0.0.0

MD5:
95abd5cd57979ee6c5586fcf570e7b6a

SHA-1:
f933a6b51869e65791efa5de550a26c0ef59f875

SHA-256:
8414d6ab316a8013c32594a719913ce2d8dc2c295bc8a2f7aceb065278b628ff

Scanner detections:
3 / 68

Status:
Potentially unwanted

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:
11/23/2024 4:57:20 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
TR/ATRAPS.Gen
7.11.30.172

Dr.Web
Trojan.InstallCore.29
9.0.1.082

Reason Heuristics
PUP.Bundler.installCore
15.3.23.11

File size:
259.7 KB (265,976 bytes)

Product version:
2.0

Copyright:
Copyright AppWork GmbH

Original file name:
JDownloader2Update.exe

File type:
Executable application (Win64 EXE)

Bundler/Installer:
installCore

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\jdownloader v2.0\jdownloader2update.exe

Digital Signature
Signed by:
Appwork GmbH

Authority:
thawte, Inc.

Valid from:
1/28/2015 12:00:00 AM

Valid to:
1/28/2016 11:59:59 PM

Subject:
CN=Appwork GmbH, O=Appwork GmbH, L=Fürth, S=Bayern, C=DE

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

Serial number:
5CA15B949EC0CBCECEB7C57981B033A8

File PE Metadata
Compilation timestamp:
9/24/2014 9:16:02 AM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
6144:+5iT8r+0L9FSmvoe2W28TiTYC7nEUKzaKF9278iTjHl1:wiVKnGWdTiTYHJzV2n1

Entry address:
0x14748

Entry point:
48, 83, EC, 28, E8, DB, B3, 00, 00, 48, 83, C4, 28, E9, 12, FE, FF, FF, CC, CC, 4C, 8D, 0D, BD, 06, 02, 00, 33, C0, 49, 8B, D1, 44, 8D, 40, 08, 3B, 0A, 74, 2B, FF, C0, 49, 03, D0, 83, F8, 2D, 72, F2, 8D, 41, ED, 83, F8, 11, 77, 06, B8, 0D, 00, 00, 00, C3, 81, C1, 44, FF, FF, FF, B8, 16, 00, 00, 00, 83, F9, 0E, 41, 0F, 46, C0, C3, 48, 98, 41, 8B, 44, C1, 04, C3, CC, 48, 83, EC, 28, E8, B3, 03, 00, 00, 48, 85, C0, 75, 09, 48, 8D, 05, CF, 07, 02, 00, EB, 04, 48, 83, C0, 10, 48, 83, C4, 28, C3, 48, 83, EC, 28...
 
[+]

Entropy:
6.5273

Code size:
162 KB (165,888 bytes)

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP SSL):
Connects to lu3.api.mega.nz  (31.216.147.134:443)

TCP (HTTP):
Connects to cdn4.appwork.org  (176.9.34.43:80)

TCP (HTTP):
Connects to map2.hwcdn.net  (205.185.216.42:80)

TCP (HTTP):
Connects to cdn8.appwork.org  (85.131.130.147:80)

TCP (HTTP):
Connects to static.17.63.9.176.clients.your-server.de  (176.9.63.17:80)

TCP (HTTP):
Connects to static.139.123.201.138.clients.your-server.de  (138.201.123.139:80)

TCP (HTTP SSL):
Connects to no-rdns.clues.ro  (188.240.220.117:443)

TCP (HTTP):
Connects to mail.appwork.org  (176.9.43.113:80)

TCP (HTTP SSL):
Connects to app01.tusfiles.net  (85.204.124.90:443)

TCP (HTTP SSL):
Connects to a-36.1fichier.com  (5.39.224.36:443)

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