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webinstaller.exe

JDownloader2 (BETA)

AppWork GmbH

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application webinstaller.exe, “JDownloader2 (BETA) 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. The file has been seen being downloaded from downloads.uy-files.rocks 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:
JDownloader2 (BETA)

Description:
JDownloader2 (BETA) Setup for Windows

Version:
2.0.0.2

MD5:
90bbfb1378dbdd4ffacbb4f659c25267

SHA-1:
65e0f061c6def1c1ae9ba3ec32af621364922321

SHA-256:
4dabe96989b82d66ab90496376f191e541b2301e7d18c0f50e24065844284b5f

Scanner detections:
3 / 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:
4/19/2024 12:48:28 AM UTC  (today)

Scan engine
Detection
Engine version

Clam AntiVirus
Win.Trojan.11366268
0.98/21411

Reason Heuristics
PUP.Installer.AppWorkGmbH.M
14.7.28.0

Vba32 AntiVirus
suspected of Trojan.Downloader.gen.h
3.12.26.0

File size:
74.6 KB (76,432 bytes)

Product version:
2.0.0.2

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\webinstaller.exe

Digital Signature
Signed by:
AppWork GmbH

Authority:
GlobalSign nv-sa

Valid from:
1/31/2014 3:51:29 PM

Valid to:
4/1/2015 4:00:41 PM

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

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
11218C489DBD3BC8AF35CDB519BA450DC59A

File PE Metadata
Compilation timestamp:
12/25/2013 6:01:35 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
1536:HwDJZGrZopISbAoR8BXJXD9R9lFBtRThFTO7/re8ZA5M:QDJ0rZo6StCBXJ57BtN27/r7z

Entry address:
0x3219

Entry point:
81, EC, 84, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 89, 5C, 24, 20, C6, 44, 24, 14, 20, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 8C, 72, 40, 00, 6A, 08, A3, 98, 37, 42, 00, E8, AD, 2D, 00, 00, A3, E4, 36, 42, 00, 53, 8D, 44, 24, 38, 68, 60, 01, 00, 00, 50, 53, 68, A0, EC, 41, 00, FF, 15, 64, 71, 40, 00, 68, E4, 91, 40, 00, 68, E0, 2E, 42, 00, E8, 57, 2A, 00, 00, FF, 15, B0, 70, 40, 00, BD, 00, 90, 42, 00, 50, 55, E8, 45, 2A...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file webinstaller.exe has been seen being distributed by the following 3 URLs.

http://downloads.uy-files.rocks/jdownloader-2/.../WebInstallerJD2_c.exe

http://188.226.135.21/WebInstallerJD2_c.exe

http://installer.jdownloader.org/WebInstallerJD2_c.exe

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

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

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