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ytdsetup.exe

YTD Video Downloader

GreenTree Applications srl

The application ytdsetup.exe, “YTD Video Downloader stub installer” by GreenTree Applications srl has been detected as a potentially unwanted program by 8 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from d1nk2jzkmvok68.cloudfront.net and multiple other hosts. While running, it connects to the Internet address hosted-by.leaseweb.com on port 80 using the HTTP protocol.
Publisher:
GreenTree Applications srl  (signed and verified)

Product:
YTD Video Downloader

Description:
YTD Video Downloader stub installer

Version:
4.8.9.7

MD5:
f747b0c1e1c370b8f25ea35cd43b5c36

SHA-1:
856940b5d242ea2ed0ff95745fdf60b050457d30

SHA-256:
c0e5c8b7f87d3802a63ce75d21f60d4e582d423824176bbb011a5f975bb5dd43

Scanner detections:
8 / 68

Status:
Potentially unwanted

Explanation:
This is part of a Greentree bundled installer, which includes various adware, toolbars and co-bundled potentially unwanted apps pushed to the user upon setup.

Analysis date:
4/24/2024 3:09:57 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:PUP-gen [PUP]
2014.9-150708

ESET NOD32
Win32/Toolbar.Widgi potentially unwanted
9.11444

Kaspersky
not-a-virus:HEUR:Downloader.Win32.Generic
14.0.0.2248

McAfee
Artemis!4EC0C81186BF
5600.6807

Panda Antivirus
Generic Suspicious
15.04.03.10

Quick Heal
Downloader.Generic.r5 (Not a Virus)
4.15.14.00

Reason Heuristics
PUP.Optional.Installer
15.4.3.11

Trend Micro House Call
TROJ_GEN.R0C1H07CH15
7.2.93

File size:
100.3 KB (102,736 bytes)

Product version:
4.8.9.7

Copyright:
(c) 2014 GreenTree Applications SRL. All rights reserved.

Original file name:
YTDStub.exe

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

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

Digital Signature
Signed by:
GreenTree Applications srl

Authority:
Starfield Technologies, Inc.

Valid from:
2/17/2015 9:55:38 AM

Valid to:
11/18/2015 10:32:14 AM

Subject:
CN=GreenTree Applications srl, O=GreenTree Applications srl, L=Bucuresti, C=RO

Issuer:
CN=Starfield Secure Certificate Authority - G2, OU=http://certs.starfieldtech.com/repository/, O="Starfield Technologies, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
00C427DA8891A2EF29

File PE Metadata
Compilation timestamp:
12/5/2009 5:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
1536:RQpQ5EP0ijnRTXJH68gkW+RoeGd8yNkM/Dk2296C/CGzYCUcxFAchf:RQIURTXJH7Ozd8yNkaG6CxzYCUI

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Entropy:
7.1700

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file ytdsetup.exe has been seen being distributed by the following 2 URLs.

http://d1nk2jzkmvok68.cloudfront.net/gku1caqJHjxUShTp0SbQFEdugzKTw1hPfanFxJCT-1o

http://www.youtubedownloadersite.com/.../stub.php?ytd2

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

TCP (HTTP):
Connects to hosted-by.leaseweb.com  (5.79.67.111:80)

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