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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 16 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 download.youtubedownloadersite.com 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:
4.9.0.4

MD5:
5bfbc5746f09539799d95799766b0ad8

SHA-1:
77f874c0394f823292c439e1f76938a638412703

SHA-256:
a6ef7c0d2110bbc8faa180ca9863ef6104c737e8b834397a093b9ea9489b3f79

Scanner detections:
16 / 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:
4/20/2024 4:23:16 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/Widgi.102704
8.3.1.6

avast!
Win32:PUP-gen [PUP]
2014.9-150801

Baidu Antivirus
PUA.Win32.Toolbar
4.0.3.1581

Bkav FE
W32.HfsAdware
1.3.0.6379

Dr.Web
Adware.Downware.10873
9.0.1.0213

ESET NOD32
Win32/Toolbar.Widgi potentially unwanted
9.12007

herdProtect (fuzzy)
variant of ytdstub.exe
2015.9.6.8

K7 AntiVirus
Unwanted-Program
13.205.16308

Kaspersky
not-a-virus:HEUR:Downloader.Win32.Generic
14.0.0.1647

McAfee
Artemis!4EC0C81186BF
5600.6686

NANO AntiVirus
Trojan.Nsis.DownLoader12.dqgtta
0.30.24.2668

Panda Antivirus
Generic Suspicious
15.08.01.04

Quick Heal
Downloader.Generic.r5 (Not a Virus)
8.15.14.00

Reason Heuristics
Win32.Generic.GreenTreeApplicationssrl.Installer.Meta
15.8.1.16

Trend Micro House Call
TROJ_GEN.R0C1H07CH15
7.2.213

VIPRE Antivirus
Trojan.Win32.Generic
42442

File size:
100.3 KB (102,704 bytes)

Product version:
4.9.0.4

Copyright:
(c) 2015 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}\appdata\local\microsoft\windows\inetcache\ie\{random}\ytdsetup.exe

Digital Signature
Signed by:
GreenTree Applications srl

Authority:
Starfield Technologies, Inc.

Valid from:
2/17/2015 10:55:38 PM

Valid to:
11/18/2015 11:32:14 PM

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:
12/6/2009 6:50:46 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
1536:JQpQ5EP0ijnRTXJH68gkW+RoeGd8yNkM/Dk2235CYvPtyjD2INapdZxpVhM:JQIURTXJH7Ozd8yNkaw5CAyf0PHU

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:
7.1705

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 5 URLs.

http://download.youtubedownloadersite.com/.../YTDSetup.exe

http://d30iiemdhfqqvj.cloudfront.net/lRoqm8Auc83T57QxfyvWJlkiYEypjJkuUPk1gipfp4w

http://www.ytddownloader.com/.../stub.php

http://d3az6ugbq44fh3.cloudfront.net/cNkssTdGX0OWC8ftcs1Mx8Hw8CEadJ1yoLPKbzuvEEU=.exe

http://www.youtubedownloadersite.com/.../ytdcnet.php

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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