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jdownloader-0.9.exe

JDownloader

RICH MEDIA SYSTEMS INC.

The application jdownloader-0.9.exe by RICH MEDIA SYSTEMS INC 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 NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from jdownloader.joydownload.com and multiple other hosts.
Publisher:
RICH MEDIA SYSTEMS INC.  (signed and verified)

Product:
JDownloader

Version:
1.0.0.0

MD5:
ecc93ba96eec9b025c454685f753dd24

SHA-1:
f7013c93535f07e0a2aa06146e89e294405c122b

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.

Analysis date:
11/25/2024 2:43:18 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.RICHMEDI.Installer (M)
16.3.19.20

File size:
415.9 KB (425,848 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\Documents and Settings\{user}\My documents\downloads\jdownloader-0.9.exe

Digital Signature
Signed by:
RICH MEDIA SYSTEMS INC.

Authority:
Symantec Corporation

Valid from:
2/17/2015 1:00:00 AM

Valid to:
2/18/2016 12:59:59 AM

Subject:
CN=RICH MEDIA SYSTEMS INC., O=RICH MEDIA SYSTEMS INC., L=HENDERSON, S=Nevada, C=US

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
3F87144C25AF8BCF29F29C5A1FEEF4BA

File PE Metadata
Compilation timestamp:
5/20/2013 12:53:00 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:GiuBYyGTEIC4doGmtYROAgEhMV4OioGzljorXfeq5UhvJqI:SrGTEY5mtytSnuxjMeKA

Entry address:
0x331C

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, 30, 92, 40, 00, 89, 6C, 24, 14, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, BC, 70, 40, 00, 55, FF, 15, AC, 72, 40, 00, 6A, 08, A3, 98, 92, 42, 00, E8, A8, 2E, 00, 00, A3, E4, 91, 42, 00, 55, 8D, 44, 24, 34, 68, B4, 02, 00, 00, 50, 55, 68, 90, 06, 42, 00, FF, 15, 7C, 71, 40, 00, 68, 7C, 93, 40, 00, 68, E0, 81, 42, 00, E8, 13, 2B, 00, 00, FF, 15, 34, 71, 40, 00, BB, 00, 40, 43, 00, 50, 53, E8, 01, 2B, 00, 00...
 
[+]

Entropy:
7.8545

Packer / compiler:
Nullsoft install system v2.x

Code size:
24 KB (24,576 bytes)

The file jdownloader-0.9.exe has been seen being distributed by the following 2 URLs.

http://jdownloader.joydownload.com/get_azure_file/wUiS4WnYccXEwj /TeqjC1c0kw48PjyiEBzwYN7Sveh152b0sCsrn8kFdE3mY/j2O3mulg0EZ3GHWOOmEb8lme0/g5jBWF3Fqm3lDFj pi733ufa7dPZkWlZ9cxzwwkTHTPlVix 18ko/yHoADfGB IAl5a1YnUVY/o4KRIdZfCrAi89asWNLBgonqPlFjQuO4/x2/9zVz2ouRnFn/V Bpq YsntZXJWzZjkSfsv3BcX55r ikrzLaB3nT75QN1Wrc28SWuu6s/.../rBAfh5972zEwvP3jWuXgfkA==

http://jdownloader.joydownload.com/get_azure_file/wUiS4WnYccXAwj 1RrjxCgghkkVxZmbzR1 xcteQv A8/zyn9np5iNEMJ1Xkb6n3fHm9wF5KZjrPW7X2UfB1n6trh8ycBgaDpXunSxir5yrr3rfDpZrSl2lZ98ps1wAARn3kAD1/.../5fCsXhBghxyijYkbVHK9WVyn9tj5xxEsICeM7XgfkA==

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