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YTDStub.exe

YTD Video Downloader

GreenTree Applications srl

The application YTDStub.exe, “YTD Video Downloader stub installer” by GreenTree Applications srl has been detected as a potentially unwanted program by 15 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 www.ytddownloader.com. 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:
a2070d71d16334e162ab0407b342c9d7

SHA-1:
1b35f6035ee18a5e7428795b6d6786cbb527de93

SHA-256:
9db79fb0aa24926dd1e70b930380da1a72bd488f4a29d3c6f4dacac7afc0184c

Scanner detections:
15 / 68

Status:
Potentially unwanted

Analysis date:
4/23/2024 9:41:29 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/Widgi.102704
8.3.1.6

Baidu Antivirus
PUA.Win32.Toolbar
4.0.3.15730

Bkav FE
W32.HfsAdware
1.3.0.6379

Dr.Web
Adware.Downware.10873
9.0.1.0211

ESET NOD32
Win32/Toolbar.Widgi potentially unwanted
9.12007

herdProtect (fuzzy)
variant of ytdsetup.exe
2015.9.3.3

K7 AntiVirus
Unwanted-Program
13.205.16308

Kaspersky
not-a-virus:HEUR:Downloader.Win32.Generic
14.0.0.1658

McAfee
Artemis!4EC0C81186BF
5600.6654

NANO AntiVirus
Trojan.Nsis.DownLoader12.dqgtta
0.30.24.2668

Panda Antivirus
Generic Suspicious
15.07.30.08

Quick Heal
Downloader.Generic.r5 (Not a Virus)
9.15.14.00

Reason Heuristics
Win32.Generic.GreenTreeApplicationssrl.Installer.Meta
15.7.30.8

Trend Micro House Call
TROJ_GEN.R0C1H07CH15
7.2.246

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

Digital Signature
Signed by:
GreenTree Applications srl

Authority:
Starfield Technologies, Inc.

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

Valid to:
11/18/2015 10:32:14 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 5:50:46 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
1536:JQpQ5EP0ijnRTXJH68gkW+RoeGd8yNkM/Dk2235CYvPtyjD2INapdZxpVhs: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 YTDStub.exe has been seen being distributed by the following URL.

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

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

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

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