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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 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 GmbH  (signed and verified)

Product:
JDownloader2 (BETA)

Description:
JDownloader2 (BETA) Setup for Windows

Version:
2.0.0.5

MD5:
0d3c10e5738e4275002dcd640d46b9cc

SHA-1:
dd3ffc0fc90db6f0429334fd6a92309dec9745ad

SHA-256:
e6e8e64bc013759780a30a1c9776867764f6c24fe7a55c4b4b479cacc917dcb7

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 '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:
5/3/2024 12:24:35 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.11.30.6

File size:
77.9 KB (79,736 bytes)

Product version:
2.0.0.5

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}\appdata\local\microsoft\windows\inetcache\ie\{random}\webinstaller.exe

Digital Signature
Signed by:
Appwork GmbH

Authority:
Thawte, Inc.

Valid from:
8/14/2014 9:00:00 PM

Valid to:
8/15/2015 8:59:59 PM

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

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
0091626FD168636EDD78A174E8B75DAC

File PE Metadata
Compilation timestamp:
5/11/2014 5:03:36 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
1536:DkswQDYrZo5isPqo78fXJz19R9lFBtRThFTae9zihXvBC0AcpL5Lss:gDQkrZoosbIfXJ/7BtNCozy/BCaptLs

Entry address:
0x3217

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 URL.

http://installer.jdownloader.org/wb131219797274501040two

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