ytdsetup.exe

YTD Video Downloader

Greentree Applications SRL

The application ytdsetup.exe by Greentree Applications SRL has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from ytd-video-downloader.softonic.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:
5.7.1

MD5:
4140c9a7c276fba03ac1af51e2ba1d44

SHA-1:
6c4ad4b7ea0f26968ffcc64da441e79d63a29b00

Scanner detections:
1 / 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:
1/21/2018 6:06:48 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Greentree.YTD.Installer.Installer.Meta (M)
16.6.30.10

File size:
9.8 MB (10,305,208 bytes)

Product version:
5.7.1.0.1

Copyright:
Copyright © 2007-2015 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:\Documents and Settings\{user}\My documents\downloads\ytdsetup.exe

Digital Signature
Authority:
Symantec Corporation

Valid from:
6/16/2015 8:00:00 AM

Valid to:
8/15/2017 7:59:59 AM

Subject:
CN=Greentree Applications SRL, O=Greentree Applications SRL, L=Bucharest, S=Bucharest, C=RO

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

Serial number:
65DB5B5BDFCE9083EDF79253BABF4963

File PE Metadata
Compilation timestamp:
2/25/2012 3:19:59 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
196608:s0zVgtTukCsumvrvJpXsHFCFNZoKKBwtkflai2A0DY4t5te9:s0zit5/prvJpXaG01ai2r5k9

Entry address:
0x39E3

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, 91, 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, C0, 82, 40, 00, 6A, 08, A3, B8, 2E, 47, 00, E8, 37, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, D0, 2D, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 93, 40, 00, FF, 15, 84, 81, 40, 00, 68, 04, 93, 40, 00, 68, C0, AD, 46, 00, E8, 19, 27, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 30, 4C, 00, 57, E8, 07, 27, 00, 00...
 
[+]

Entropy:
7.9992

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

The file ytdsetup.exe has been seen being distributed by the following 18 URLs.

http://ytd-video-downloader.softonic.com/download-tracker?th=8yS3 KGEYLiw7GKMHzA/trmsvRChbxdrflJq3ZIylWvAQ5m7Pq83ZQNdj SIjo6yGFG6cNdMJZO5s efbGFWnG3sUjZPc74rV108CY/PhCXupbPTArfB16C4F1UZVYF/.../zEtwu5nXYtd17Bufrzm7cYYpy9hJP7OfplTpNH7lXES7nDDgrEfw==

https://d1vdt3k7hski9t.cloudfront.net/kits/.../YTDSetup.exe

http://www.youtubedownloadersite.com/.../stub.php?pad?EsetProtoscanCtx=c53aae8

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

http://software-files-a.cnet.com/s/software/14/33/09/.../YTDSetup.exe

http://gsf-cf.softonic.com/2fa/274/.../YTDSetup.exe

http://www.downloaddoo.com/Download.aspx?ProgramId=5559&Seq=1

http://d1vdt3k7hski9t.cloudfront.net/kits/.../YTDSetup.exe

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

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

http://www.downloaddoo.com/ProgramId-5577-Seq-1-type-download-ReturnUrl.aspx

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

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

TCP (HTTP):
Connects to d5.d0.25ae.ip4.static.sl-reverse.com  (174.37.208.213:80)

TCP (HTTP):
Connects to ec2-52-88-245-84.us-west-2.compute.amazonaws.com  (52.88.245.84:80)

TCP (HTTP):
Connects to server-54-230-191-34.maa3.r.cloudfront.net  (54.230.191.34:80)

TCP (HTTP):
Connects to server-54-230-11-180.lhr3.r.cloudfront.net  (54.230.11.180:80)

TCP (HTTP):
Connects to ec2-35-164-219-114.us-west-2.compute.amazonaws.com  (35.164.219.114:80)

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