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chromecast-app-1.1.255.0.exe

Chromecast App

RICH MEDIA SYSTEMS INC.

The file chromecast-app-1.1.255.0.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 chromecast-app.joydownload.com and multiple other hosts.
Publisher:
RICH MEDIA SYSTEMS INC.  (signed and verified)

Product:
Chromecast App

Version:
1.0.0.0

MD5:
8561169d7891a1460c79da0113a5bf87

SHA-1:
cbd6e6468a9adfde75e2780659dc97818f574e7c

SHA-256:
9a3f00aaebad3a62fd5a890d947c89f6ed39e50c9aa8da12477c95aa51801736

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:
5/2/2024 9:27:05 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.RICHMEDIASYSTEMS.Installer (M)
15.12.26.22

File size:
415.9 KB (425,832 bytes)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

Common path:
C:\users\{user}\downloads\chromecast-app-1.1.255.0.exe.i0qwee1.partial

Digital Signature
Signed by:
RICH MEDIA SYSTEMS INC.

Authority:
Symantec Corporation

Valid from:
2/16/2015 6:00:00 PM

Valid to:
2/17/2016 5:59:59 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 5:53:00 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:piu0SrxyyqP3SerVkpKWge5m8aqctkKaHt:b0ok3fR0KWgUm8aq3z

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:
7.7187

Packer / compiler:
Nullsoft install system v2.x

Code size:
24 KB (24,576 bytes)

The file chromecast-app-1.1.255.0.exe has been seen being distributed by the following 2 URLs.

http://chromecast-app.joydownload.com/get_azure_file/wUiS4WnYccXBwj pXP7oQlssmVx1NTutCl6rNM7Y9ukz53f9p2t0zckFbk3lYqmjfGG3g15fOHHLQrfzR/J00bIjzsCXFVnZv3a6WVT84XG j/DQrdjekmJPqtY6h19QAi/7Xyx 18kr9iHoCTvbH EJm5aicypWKPkvLgYOLa3yU2R/ZpuGcwkpz6vnGDRlIdHg2q4/.../Knfx D9G3ccKkfSUFnIHhTKBh3UEH5sv3jFzyfPkt1XP7VpwMrYOmEjmpoZrTkCoqdeAcGdBoe20o8 imFwhmnB3z3d9OAWilFAawqZvu1Q43NTHOu2AGhICHInnrT0PXmvl4ewm9

http://chromecast-app.joydownload.com/get_azure_file/wUiS4WnYccXAwj uQbjxCggnkkU3LTPkEhr4coOQp h152L0sC8rlY9RagT1Y/j2PnO20gABcSPQSqDiWuklyPpqxcKXFV/JvXClWRWm z i2rWRvNKbm2BBs9Np10dJF3yiACx2kcAv DnxGWmfSq4Kl5u1YnUVY/o4LhIdNL38FXB8ctyNf08wh/juEy1mcoH4w7tsUjyouRnFnvdmFsHlMp3zOiINnIWgTKlkghwL7Jb/.../lzEwvPXjW DNAz9KQOneiV0LYjft8ewm9

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