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ytdsetup.exe

YTD Video Downloader

RICH MEDIA SYSTEMS INC.

The application ytdsetup.exe by RICH MEDIA SYSTEMS INC has been detected as a potentially unwanted program by 18 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The installer uses the OpenCandy monitzation platform which will donwload and install offers in the setup for potentially unwanted software including ad/search-supported toolbars. The file has been seen being downloaded from ytd-video-downloader.ar.1800download.com and multiple other hosts.
Publisher:
RICH MEDIA SYSTEMS INC.  (signed and verified)

Product:
YTD Video Downloader

Version:
1.0.0.0

MD5:
fb0b46e3da3b946b572b29b4a4da6ae4

SHA-1:
6b8c57227c63f1d44504625b50f4d4f110da632c

SHA-256:
ce94bbd7d7795bce537182ed253bfe869da236e029975838453a7e8ba73bc637

Scanner detections:
18 / 68

Status:
Potentially unwanted

Explanation:
Packages the OpenCandy software bundler that offers to install additional software and may include web browser add-ons and toolbars which display advertising (based on publisher settings and geo context).

Analysis date:
5/15/2025 7:25:55 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.OpenCandy
2015.04.23

AVG
OpenCandy
2016.0.3116

Baidu Antivirus
Adware.Win32.OpenCandy
4.0.3.1557

Clam AntiVirus
Win.Trojan.Agent-855157
0.98/21511

Dr.Web
Adware.Downware.10304
9.0.1.05190

ESET NOD32
Win32/OpenCandy.C potentially unsafe application
7.0.302.0

Fortinet FortiGate
Riskware/OpenCandy
5/7/2015

G Data
Win32.Adware.OpenCandy
15.5.25

K7 AntiVirus
Trojan
13.203.15680

Malwarebytes
PUP.Optional.OpenCandy
v2015.05.07.09

McAfee
Program.Artemis!FB0B46E3DA3B
17.6.569.0

Panda Antivirus
PUP/OpenCandy
15.05.07.09

Qihoo 360 Security
HEUR/QVM42.0.Malware.Gen
1.0.0.1015

Reason Heuristics
PUP.Installer.RICHMEDIASYSTEMS
15.5.8.23

Sophos
PUA 'OpenCandy'
5.14

Trend Micro House Call
Suspicious_GEN.F47V0418
7.2.127

VIPRE Antivirus
Threat.4847482
39486

File size:
415.8 KB (425,728 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

Common path:
C:\users\{user}\downloads\ytdsetup.exe

Digital Signature
Signed by:
RICH MEDIA SYSTEMS INC.

Authority:
Symantec Corporation

Valid from:
2/16/2015 4:00:00 PM

Valid to:
2/17/2016 3:59:59 PM

Subject:
CN=RICH MEDIA SYSTEMS INC., O=RICH MEDIA SYSTEMS INC., L=HENDERSON, S=Nevada, C=US

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

Serial number:
3F87144C25AF8BCF29F29C5A1FEEF4BA

File PE Metadata
Compilation timestamp:
5/19/2013 4:53:00 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:niucV6hXu+1blZQQBQqwGW6M0slbMdAoYeEoVEgDGnlXaslB3RFOAQ12:niuRhdQbqwGWBrUfW9B7B3fK2

Entry address:
0x331C

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, 30, 92, 40, 00, 89, 6C, 24, 14, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, BC, 70, 40, 00, 55, FF, 15, AC, 72, 40, 00, 6A, 08, A3, 98, 92, 42, 00, E8, A8, 2E, 00, 00, A3, E4, 91, 42, 00, 55, 8D, 44, 24, 34, 68, B4, 02, 00, 00, 50, 55, 68, 90, 06, 42, 00, FF, 15, 7C, 71, 40, 00, 68, 7C, 93, 40, 00, 68, E0, 81, 42, 00, E8, 13, 2B, 00, 00, FF, 15, 34, 71, 40, 00, BB, 00, 40, 43, 00, 50, 53, E8, 01, 2B, 00, 00...
 
[+]

Entropy:
7.8133

Packer / compiler:
Nullsoft install system v2.x

Code size:
24 KB (24,576 bytes)

The file ytdsetup.exe has been seen being distributed by the following 5 URLs.

http://ytd-video-downloader.ar.1800download.com/get_azure_file/wUiS4WnYccXGwj 8XPavWwllklY0NSrOfGyRNZiW9f1jpTDsqSt4ydEcaQP1Y/j2PnmuwUZTcWmNG O1TOx0g UxjYPfWx6avCX6DEzl8T/rlrOI oyHjDcU5sts3AQWATS1AX1/.../x D9G3csi8MDJO1IK3GuM22ERLude6zkrzLaB2nT7gWptP5YSxRXP7sZOVniQhdb0AT4I3Kyl87LbyXwhqzRyz3c9FFyvzDU75oJD2h1ZxLHmHsm8ez9jRNXStV0qQ

http://ytd-video-downloader.ar.1800download.com/get_azure_file/wUiS4WnYccXBwj sXP7oQkEsnl0kPTqiHBDzcteQv A8/yWn9np5iNELJ1Xmar76OmG3g15bOHHVQr21E/Y9wbNyx8WPDE b/CXqTx jqnDmgfTZpZrSk2lZ/tYiiBZIU3y1TWcrwJxuvTnxGWmfSq4Kl5u1YnUVY/o4LBIdMqvwRHE8csjENE5qzPimRzQuIY/z1e88D266u1/Ol7xmAJivJpvyOmNXnMu8H M29nlhjt25yBjmO IghSflCc1X/.../UXKquZCaiC0ybPVJRIQ3Kyt686L7TFMkzEqi3J5OESzrFES394einltwYW Q5y1KgYaCZCfqV0qQ

http://ytd-video-downloader.1800download.com/get_azure_file/wUiS4WnYccXEwj 8WvauHEA0kxQ8PDK1GRz1cteQv I253eq ysyl4pHaAW7erC/NXG8ykYRdjeRXbDzTeoql YnmprCVljEvT3zT0z0smn80qHDpYDSkGtA4p8ziUcCDSK1AX1/kck7/yn/XGaLS/9Wzs3zYn9HMftnPRNWOa7zVHN fsfHIxIpz6vmGDR6O5f5kucyBHv96wSbw7gvFpn esGkfTcFi9O2XuMilQ8X7435hVnqZel/kya0VZYBu9WwAHPosZuC80hUBOMHAMQjbDd2ounkFxlrnE/pg89PUCbjDB/.../HgfntPSOmCpV0qQ

http://1800dcdn.blob.core.windows.net/dir195/wi/18/33/1/.../YTDSetup.exe

http://ytd-video-downloader.1800download.com/get_azure_file/wUiS4WnYccXBwj qXP7oQkEsnV0kPjqiHh3ga5/.../DWOo6wObjvQvDpC3YsGtfXof1cK3D6p9yw8etIL8hVO7ZKt1nT7yWowdspbyBju1oZrTkC4gbaQKAdAgfyZ35b26SUUm0ErvhokRUT7qRQf1qYiymFNxazDWsyke3tPBMXavV0qQ

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