ytd_installer.exe

YTD Video Downloader

Greentree Applications SRL

The application ytd_installer.exe by Greentree Applications SRL has been detected as a potentially unwanted program by 7 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. This version of the installer will bundle the Ask.com Toolbar, a potentially unwanted web browser extension. The file has been seen being downloaded from mail.google.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

Version:
4.8.1

MD5:
48989b6c3faa81c2dbc851334022ffd5

SHA-1:
a108a4c77538493d4947678f0bbdcee35baf8764

SHA-256:
42f03ba73789b159677263a195b0286e7ebf8a243e2dd3d7ff8b88a1066c686b

Scanner detections:
7 / 68

Status:
Potentially unwanted

Explanation:
Bundles that Ask.com toolbar as a third-party offer, a web browser extension that may modify a user's search and home pages.

Analysis date:
12/25/2024 1:00:51 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Adware-gen [Adw]
2014.9-140501

Bkav FE
W32.Clod5b0.Trojan
1.3.0.4923

Dr.Web
Adware.Downware.1417
9.0.1.0121

ESET NOD32
Win32/Bundled.Toolbar.Ask (variant)
8.9746

Malwarebytes
PUP.Optional.Spigot.A
v2014.05.01.09

Reason Heuristics
PUP.Optional.GreentreeApplicationsSRL.N
14.5.1.21

Trend Micro House Call
TROJ_GEN.F47V0430
7.2.121

File size:
10.7 MB (11,228,600 bytes)

Product version:
4.8.1.0.3

Copyright:
Copyright © 2007-2014 GreenTree Applications SRL

Original file name:
Uninstall.exe

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

Common path:
C:\ProgramData\ytd video downloader\ytd_installer.exe

Digital Signature
Authority:
VeriSign, Inc.

Valid from:
5/20/2013 7:00:00 PM

Valid to:
7/20/2015 6:59:59 PM

Subject:
CN=Greentree Applications SRL, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Greentree Applications SRL, L=Bucharest, S=Bucharest, C=RO

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
78DC92DC061211DFE51480E9347F91C8

File PE Metadata
Compilation timestamp:
4/10/2010 7:19:31 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
196608:p4hPwtbLktZuBME6ZNbOLSw4gZ1z4yXtMTGw2x5p+KRy+nGIN/5n9x/JdqmZlM:powt3ktZuBMEe8LSw/XqTGw2xr+KvfZw

Entry address:
0x354B

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, D8, 84, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, B0, 82, 40, 00, 6A, 08, A3, 98, 06, 47, 00, E8, 67, 27, 00, 00, 55, 68, B4, 02, 00, 00, A3, B0, 05, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 86, 40, 00, FF, 15, 80, 81, 40, 00, 68, 04, 86, 40, 00, 68, A0, 85, 46, 00, E8, 35, 26, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 10, 4C, 00, 57, E8, 23, 26, 00, 00...
 
[+]

Entropy:
7.9995

Packer / compiler:
Nullsoft install system v2.x

Code size:
25 KB (25,600 bytes)

The file ytd_installer.exe has been seen being distributed by the following 10 URLs.

https://mail.google.com/mail/u/.../?ui=2&ik=4b4f9f70ec&view=att&th=1471f17f925a1a81&attid=0.1&disp=safe&realattid=f_hxfqaslw0&zw

http://installs.innovativesys.co/.../ytd-video-downloader-download-220981-4.8.1.exe&u={EE2E23A8-04AC-48BA-B942-AA6283BD1DBA}

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

TCP (HTTP):
Connects to ytd2.greentreeapps.ro  (95.211.187.90:80)

TCP (HTTP):
Connects to hosted-by.leaseweb.com  (95.211.187.107:80)

Remove ytd_installer.exe - Powered by Reason Core Security