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download-install_flash_player.exe

Adobe Flash Player

RICH MEDIA SYSTEMS INC.

The application download-install_flash_player.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 1800dcdn.blob.core.windows.net and multiple other hosts.
Publisher:
RICH MEDIA SYSTEMS INC.  (signed and verified)

Product:
Adobe Flash Player

Version:
1.0.0.0

MD5:
9a35bbc30084f038ede3b2805f81e94f

SHA-1:
88b70a26336e2755cd711855e67c57b0f6a910a5

SHA-256:
768b45b236cc3ea1b3288b1b2c96d61ad2febb63efbbacdecda7f6265d56f045

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:
12/28/2024 3:38:27 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.RICHMEDIASYSTEMS.Installer (M)
16.2.4.14

File size:
415.7 KB (425,720 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

Common path:
C:\users\{user}\downloads\download-install_flash_player.exe

Digital Signature
Signed by:
RICH MEDIA SYSTEMS INC.

Authority:
Symantec Corporation

Valid from:
2/17/2015 5:30:00 AM

Valid to:
2/18/2016 5:29:59 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 5:23:00 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:FiucV6Tyyyyyyyyyyyyyyyyff8d2Ze76W4MLbccB6sc96xbeondbx89MHFJQKIye:Fiujf8d2Q7TLbch6xbe4HQZyhdHX9PT0

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:
7.8920

Packer / compiler:
Nullsoft install system v2.x

Code size:
24 KB (24,576 bytes)

The file download-install_flash_player.exe has been seen being distributed by the following 2 URLs.

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

http://flashplayer.1800download.com/get_azure_file/wUiS4WnYccXDyCf4UfO5CV530RJ0YyqsWxLzYdbB479nrj2 /jk7npkcJgTtarHuezeuyxdSM2meGvusW780yasmnZKPDE b SXqDUf2unu4mf6SpN/SgzUU/cFlwUdJF3ykACx0kcI79WjwWGmLH/9Ow4TrMD0VL Bse0dIcL38FXB8ctyXf08wh LuECw3e4bg2q4/.../kSa0As9Z7cW8UXKquZWaiHp5O NRTsc3Onwporb4WkQ90UfkyoQaUGiwWlGc9ca1hFdKfi6V8T9Ww4ybZWCjBkvegug8MFbi3njdBQI JA==

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