home

webinstaller.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 webinstaller.exe, “JDownloader Setup for Windows” by AppWork GmbH has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the installCore installer. The file has been seen being downloaded from installer.jdownloader.org.
Publisher:
AppWork UG (haftungsbeschränkt)  (signed by AppWork GmbH)

Product:
JDownloader

Description:
JDownloader Setup for Windows

Version:
1.0.0.1

MD5:
a658e4ab8ec9da682f1e447507e3d79f

SHA-1:
205f9ae0cabd09975df39d9ea0c77d8f64a051c5

SHA-256:
0b0d305b4b6c10da817fadebab9aee8855e6d0663c2e39c110c6ccd23873aaf8

Scanner detections:
1 / 68

Status:
Potentially unwanted

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is 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:
4/26/2024 4:08:14 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.8.2.2

File size:
79.6 KB (81,488 bytes)

Product version:
1.0.0.1

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}\downloads\webinstaller.exe

Digital Signature
Signed by:
AppWork GmbH

Authority:
GlobalSign nv-sa

Valid from:
3/1/2011 10:00:48 PM

Valid to:
3/1/2014 10:00:41 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:
12/6/2009 6:53:24 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
1536:jCUm7KFP2QuXYdsLP0DgXJFii9R9lFBtRThFTrUUvSK/ff2N:jCuFP2lXIHDgXJFh7BtNZ/fON

Entry address:
0x355E

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, 10, 43, 00, E8, D6, 2E, 00, 00, A3, E4, 0F, 43, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, E8, A7, 42, 00, FF, 15, 58, 81, 40, 00, 68, AC, A7, 40, 00, 68, E0, 07, 43, 00, E8, DC, 29, 00, 00, FF, 15, AC, 80, 40, 00, BF, 00, 70, 43, 00, 50, 57, E8, CA, 29, 00, 00...
 
[+]

Entropy:
6.8040

Packer / compiler:
Nullsoft install system v2.x

Code size:
25 KB (25,600 bytes)

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

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

Remove webinstaller.exe - Powered by Reason Core Security
herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.