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minecraftinstaller.exe

Minecraft Client Demo

RICH MEDIA SYSTEMS INC.

The application minecraftinstaller.exe by RICH MEDIA SYSTEMS INC has been detected as a potentially unwanted program by 11 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 minecraft-client.1800download.com and multiple other hosts.
Publisher:
RICH MEDIA SYSTEMS INC.  (signed and verified)

Product:
Minecraft Client Demo

Version:
1.0.0.0

MD5:
1e08873c8b365841f718279bed384c1b

SHA-1:
4ee9b4c276b017c08f6e6dccf504fdd23124edc3

SHA-256:
d55544f50d6d80064a52e2e7ac1da0ea7530915dabdde6f1add7bfc69568083b

Scanner detections:
11 / 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:
10/12/2025 3:27:13 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Malware-gen
2014.9-150317

AVG
OpenCandy
2016.0.3168

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

ESET NOD32
Win32/OpenCandy.C potentially unsafe (variant)
9.11329

G Data
Win32.Adware.OpenCandy
15.3.25

K7 AntiVirus
Trojan
13.201.15277

Malwarebytes
PUP.Optional.OpenCandy
v2015.03.17.12

McAfee
Artemis!1E08873C8B36
5600.6824

Reason Heuristics
PUP.Installer.RICHMEDIASYSTEMS
15.5.8.23

Trend Micro House Call
Suspicious_GEN.F47V0309
7.2.76

VIPRE Antivirus
Sevas-S Installer
38482

File size:
418 KB (428,032 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

Common path:
C:\users\{user}\downloads\minecraftinstaller.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):
12288:IiuB934bQNjLoSpB2GmnSWRYQ92TudZZZGW/Dy84SBBeX:08bQ/gSWOKWS/A

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:
7.8821

Packer / compiler:
Nullsoft install system v2.x

Code size:
24 KB (24,576 bytes)

The file minecraftinstaller.exe has been seen being distributed by the following 3 URLs.

http://minecraft-client.1800download.com/get_azure_file/wUiS4WnYccXBwj zXP7oQkEsml0kPDu1E1v4YtbB6qAk5ib0pWJgjIJQeRigK6n3fHm ykYcdnGHWOOmEqc20bIjzsCXFVnZv3a6WVT84XG j/fXq9nYlWRJqtY6gF9QFy/zGDUsnsIh9WjwWWmLAOUI2syiPTINer4wJxoGIaS0XHx1apiRek93zrPvUSwncpf61v8 TWO7slDdyKYvRM7sOYfsM2NXnMu8G M2wkRLuNu/3A68c/kpznn4R91Wrc24SWuv6sWCkW8qYbxRR4Y4On0kounkFx5rnEDpi4hWGG/rBA/.../BNKnp2CbC79B1 IwK9tYk8=

http://minecraft-client.pt.1800download.com/get_azure_file/wUiS4WnYccXAwj uQbjxCggnkkU3LTPkEhv4coWK4fE9rm/.../0UrzLaB0kSa0XpYDu5T5Ei trsLMw3l I6RIBo4 M21l6ba1FllriByi1d9BEC7mFAawqZzu1VptfiuG7XgfhNPSNHCuQknVgPl8Yk8=

http://minecraft-client.1800download.com/get_azure_file/wUiS4WnYccXAwj 1RrjxCgghkkVxZmbzR1 xcteQv A8/yan9np5ktEPJUykYrj2LTXllEZTcWmKEfulGrA0wb5yz4WXAQaDqXCkWBO1qnD8gffbvNHfg2gIq5c6kREGRn3kAD9/hsI79WjwW2OTUugFi4e9Zn5CKuUgJFsFMqn9RCcmJpudZEp0yLy3Tn9wJsHg2q4/DWOo8gObjvQvDpe3YsWsZ3NVzcr F 0ujUtMsd3vhhvybKh/hVH/.../iFAawqZzu1VptfiuG7XgfhNPSNHCuQEfejvJ4Yk8=

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