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ytdsetup.exe

YTD Video Downloader

Greentree Applications SRL

The executable ytdsetup.exe, “YTD Video Downloader stub installer” has been detected as malware by 2 anti-virus scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from static.updatestar.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:
4.9.0.2

MD5:
2ea72ee6728f07b40da7c8f1efed9522

SHA-1:
31c809052d029137753540caf473f29cdf723ba5

SHA-256:
e02c55fd78568f740b240631b76467de4ebcf4fa396226662ac7c471e7fb6545

Scanner detections:
2 / 68

Status:
Malware

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:
12/23/2024 3:56:55 PM UTC  (today)

Scan engine
Detection
Engine version

herdProtect (fuzzy)
variant of 540f81f4eb291eecc33aae04d91c0ce0d1182b2b
2015.8.23.3

Reason Heuristics
Win32.Generic.GreentreeApplicationsSRL.Installer.Meta
15.7.22.17

File size:
100.9 KB (103,368 bytes)

Product version:
4.9.0.2

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}\downloads\ytdsetup.exe

Digital Signature
Signed by:
Greentree Applications SRL

Authority:
Symantec Corporation

Valid from:
7/17/2015 1:00:00 AM

Valid to:
10/16/2017 12:59:59 AM

Subject:
CN=Greentree Applications SRL, O=Greentree Applications SRL, L=Bucuresti, S=Sector 3, C=RO

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

Serial number:
6C069DC3CF314575EE0116BDE6DBA8DC

File PE Metadata
Compilation timestamp:
12/5/2009 10:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
1536:pQpQ5EP0ijnRTXJH68gkW+RoeGd8yNkM/Dk22hPCYvPtyjD2INapdZxAS:pQIURTXJH7Ozd8yNkayPCAyf0PeS

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:
7.1789

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 4 URLs.

http://static.updatestar.net/dl/.../YTDSetup.exe

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

http://d3876fpuz5dglk.cloudfront.net/kits/.../YTDSetup.exe

http://d1lou85xomq8v3.cloudfront.net/tyVK3mN5Mlll4NH8telNavAI6IY3layBYnqO906Huec

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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