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dx11.exe

DirectX 11

RICH MEDIA SYSTEMS INC.

The application dx11.exe by RICH MEDIA SYSTEMS INC has been detected as a potentially unwanted program by 16 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 1800dcdn.blob.core.windows.net.
Publisher:
RICH MEDIA SYSTEMS INC.  (signed and verified)

Product:
DirectX 11

Version:
1.0.0.0

MD5:
3295fa3ef597c691cd6433d71da7248f

SHA-1:
262956ef2c793635fb561eb46fe547fc790cde35

SHA-256:
2a859f006c4c3f3b5522ad90dbf1a3ea5cffb6e2782f5d6d076968e0d2346b9b

Scanner detections:
16 / 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:
5/16/2025 7:16:42 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.OpenCandy
2015.04.21

AVG
OpenCandy
2016.0.3107

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

G Data
Win32.Adware.OpenCandy
15.5.25

K7 AntiVirus
Trojan
13.202.15649

Malwarebytes
PUP.Optional.OpenCandy
v2015.05.16.02

McAfee
Program.Artemis!3295FA3EF597
17.6.569.0

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

Reason Heuristics
PUP.Installer.RICHMEDIASYSTEMS
15.5.16.13

Trend Micro House Call
ADW_OPENCANDY
7.2.136

Trend Micro
ADW_OPENCANDY
10.465.16

VIPRE Antivirus
Threat.4847482
39486

ViRobot
Adware.OpenCandy.425712.A[h]
2014.3.20.0

File size:
415.7 KB (425,712 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

Common path:
C:\users\{user}\downloads\dx11.exe

Digital Signature
Signed by:
RICH MEDIA SYSTEMS INC.

Authority:
Symantec Corporation

Valid from:
2/17/2015 7:00:00 AM

Valid to:
2/18/2016 6:59:59 AM

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:
5/20/2013 6:53:00 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:eiucV6GmDw1dRqTziOn5OfeYQPQpD6ahTzW8IScWVSLR8EhvG72Lg0z:eiu41yTzROQ4nnc1wSVzvGC3z

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:
7.8868

Packer / compiler:
Nullsoft install system v2.x

Code size:
24 KB (24,576 bytes)

The file dx11.exe has been seen being distributed by the following URL.

http://1800dcdn.blob.core.windows.net/dir195/wi/18/33/1/.../dx11.exe

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