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setup_gb.exe

Creative Island Media, LLC

The software will display additional offers (such as adware) during installation including a browser toolbar/extension as well as advertising injection software (part of the Injekt brand). The application setup_gb.exe by Creative Island Media has been detected as adware 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. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from d3emsmln8xfj03.cloudfront.net. While running, it connects to the Internet address update.betterxperience.com on port 80 using the HTTP protocol.
Publisher:
Creative Island Media, LLC  (signed and verified)

MD5:
b83a718f95f53f2a76933cd5f44ade71

SHA-1:
3a52830cc3b1f7ca61e3770f86a41ece62b8ba57

SHA-256:
576bed1c3b58520d7a978dad98e406ff41bd64d24500cf0de57bf6822352f724

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Injects display ads (banner ads), in-text ads, interstitial ads, or other types of ads in the web browser as well as alters the browsers settings (home page, search, DNS, and security protocols).

Analysis date:
4/25/2024 7:50:01 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Injekt.CreativeIslandMedia.Installer (M)
16.2.12.3

File size:
3.7 MB (3,839,784 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\setup_gb.exe

Digital Signature
Signed by:
Creative Island Media, LLC

Authority:
VeriSign, Inc.

Valid from:
5/21/2013 1:00:00 AM

Valid to:
5/22/2014 12:59:59 AM

Subject:
CN="Creative Island Media, LLC", OU=Digital ID Class 3 - Microsoft Software Validation v2, O="Creative Island Media, LLC", L=San Diego, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
68F23F4D2767F6491DEA9186F2E5CB89

File PE Metadata
Compilation timestamp:
6/6/2009 10:41:59 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:HFJULeH/aK9KOnMqgUXdllrEivrV6ZO7A:kLs9bMqgUXrlrE660k

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9886

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://d3emsmln8xfj03.cloudfront.net/bundles/.../Setup_GB_20131122.exe

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to update.betterxperience.com  (54.218.62.24:80)

TCP (HTTP):
Connects to d.pullupdate.com  (54.230.15.37:80)

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