webinstallerjd2.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 webinstallerjd2.exe, “JDownloader Setup for Windows(jdownloader.org)” by AppWork GmbH has been detected as a potentially unwanted program by 2 anti-malware scanners. The program is a setup application that uses the installCore installer. The file has been seen being downloaded from gsf-cf.softonic.com and multiple other hosts. While running, it connects to the Internet address installer.jdownloader.org on port 80 using the HTTP protocol.
Publisher:
AppWork GmbH  (signed and verified)

Product:
JDownloader

Description:
JDownloader Setup for Windows(jdownloader.org)

Version:
1.0.0.1

MD5:
4a2c176642267ab7f65bb937351b3e2f

SHA-1:
793fdacb2a54f88a07f8e981d567f78a957fa6d1

SHA-256:
d15fb340ebf731cb80d4274f4589f164612987ed49b01b1c37bd6675bc1305cf

Scanner detections:
2 / 68

Status:
Potentially unwanted

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:
4/25/2024 6:21:48 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Installer.AppWorkGmbH.P
14.7.28.0

Vba32 AntiVirus
suspected of Trojan.Downloader.gen
3.12.24.3

File size:
76.1 KB (77,976 bytes)

Product version:
1.0.0.1

Copyright:
AppWork GmbH

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Nullsoft Install System)

Language:
English (United States)

Common path:
C:\users\{user}\downloads\webinstallerjd2.exe

Digital Signature
Signed by:

Authority:
GlobalSign nv-sa

Valid from:
3/1/2011 3:00:48 PM

Valid to:
3/1/2014 3:00:41 PM

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 11:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
1536:npgpHzb9dZVX9fHMvG0D3XJvx9R9lFBtRThFT1mIBrVdf2JSK/v:pgXdZt9P6D3XJ37BtNtXBrDOn/v

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file webinstallerjd2.exe has been seen being distributed by the following 11 URLs.

http://gsf-cf.softonic.com/793/fda/.../file?SD_used=0&channel=WEB&fdh=no&id_file=69662874&instance=softonic_es&type=PROGRAM&Expires=1426418558&Key-Pair-Id=APKAJUA62FNWTI37JTGQ&Signature=bWJyMCmrZBUBpxXAPz7-EZnbepz8nlmzM151gmJEv9DJzvARWXvQFWYoqWkRICc0w7sma2IcEJad80G220OC46P62~ruDfuZCXbZtiCt~pu0MaCpuiMr6UIe8n6Hq8lLrMcecoYAsUmbcCxc9I72Qww0RXpf5uh--NcX~6xMsCQ_&filename=WebInstallerJD2.exe

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

TCP (HTTP):
Connects to 225.ip-5-135-151.eu  (5.135.151.225:80)

TCP (HTTP):
Connects to installer.jdownloader.org  (85.131.130.148:80)

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