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:
5e1622a7f4f566ea8ca9775cab45e84d

SHA-1:
e155654f93240777c03d2c86369c58c50f0000e3

SHA-256:
a0d1b730a56d524ba17ce04c303bfb240f1f887c9ba4477beac1c12b465620f7

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:
4/18/2024 5:14:16 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Injekt.CreativeIslandMedia (M)
16.2.11.4

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
Authority:
VeriSign, Inc.

Valid from:
5/21/2013 2:00:00 AM

Valid to:
5/22/2014 1:59:59 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 1:00:04 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:jnpNIoldAkQzJ9JePTgiqmKW8wYfkFHR7QcVGMp8c6Gh+CA1bGk45NdwvGD:jfg9Ur+Wuc54MJ4CKGkgj

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...
 
[+]

Code size:
658 KB (673,792 bytes)

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