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util_ex.dll

Creative Island Media, LLC

This is part of an adware program designed to inject advertising in the web browser (banners, text-links) as well as modify the normal behavior of the browser as well as modify the computer’s system settings that control applications to run on startup. Part of the Injekt brand of unwanted programs. The module util_ex.dll 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. It is also typically executed from the user's temporary directory.
Publisher:
Creative Island Media, LLC  (signed and verified)

MD5:
4a30036a7f4a75277dad7a0aec27cd49

SHA-1:
83fde79d66f33c22682f9a63f3ff28f0ee02b740

SHA-256:
fdcf064440ada7756a76b2fcc24b43afd9d4b466c98f7f18e6f85fa5268c6aff

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:
7/27/2024 1:19:56 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Injekt (M)
16.12.9.21

File size:
775.9 KB (794,488 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\util_ex.dll

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:
7/30/2013 12:00:04 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

Entry address:
0x8EA27

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 05, B0, 00, 00, FF, 75, 08, 8B, 4D, 10, 8B, 55, 0C, E8, EC, FE, FF, FF, 59, 5D, C2, 0C, 00, CC, CC, CC, CC, CC, CC, 8B, 54, 24, 0C, 8B, 4C, 24, 04, 85, D2, 74, 69, 33, C0, 8A, 44, 24, 08, 84, C0, 75, 16, 81, FA, 80, 00, 00, 00, 72, 0E, 83, 3D, E0, CF, 0B, 10, 00, 74, 05, E9, 5B, B0, 00, 00, 57, 8B, F9, 83, FA, 04, 72, 31, F7, D9, 83, E1, 03, 74, 0C, 2B, D1, 88, 07, 83, C7, 01, 83, E9, 01, 75, F6, 8B, C8, C1, E0, 08, 03, C1, 8B, C8, C1, E0, 10, 03, C1, 8B, CA...
 
[+]

Entropy:
6.7513

Code size:
658 KB (673,792 bytes)

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