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robloxplayerlauncher.exe

Roblox

RICH MEDIA SYSTEMS INC.

The application robloxplayerlauncher.exe by RICH MEDIA SYSTEMS INC 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 roblox.joydownload.pl.
Publisher:
RICH MEDIA SYSTEMS INC.  (signed and verified)

Product:
Roblox

Version:
1.0.0.0

MD5:
cba9390c9e29558b688a865a2dfba36a

SHA-1:
4110f0cc5e3e5f5245477a7f099a8f9cbe3aeacf

SHA-256:
303b4381021b3c1169c296e3dabf8e39982c984ceb5e7b54a7130e4d13336282

Scanner detections:
1 / 68

Status:
Potentially unwanted

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
11/25/2024 10:36:45 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.RICHMEDIASYSTEMS.Installer (M)
16.2.24.12

File size:
415.8 KB (425,800 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

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

Digital Signature
Signed by:
RICH MEDIA SYSTEMS INC.

Authority:
Symantec Corporation

Valid from:
2/17/2015 1:00:00 AM

Valid to:
2/18/2016 12:59:59 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 1:53:00 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:NiucV6ca7eig1bhS8dHtYBqknwZyiQ8AzyTu/26BG/eqyC8jODr7hH4/PGCuaVb:NiutCiUhSMtQqSw9Q8A1ZGvma4PTVb

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...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
24 KB (24,576 bytes)

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

http://roblox.joydownload.pl/get_azure_file/wUiS4WnYccXBwj sXP7oQkEsnl0kPTqiGxvwcteQv A8/yWn9np5iNEIJ1Xmbrn/OXSuyxdSMGmeX621E/Y9wrNyxdSWRAaV9T2uVRqiqnD8gffVpMu6zjEX/t1Q3wQLATTbW3srx5t8vDWvEjaLS/9Wy83zbm5TerJxJRoFIazwRHE8cs3ENFh72LPvSywkeY6x2 s/HD/l7g6a3u1nR5i/.../2zFYvP3bBvmwT29jRMnnl

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