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util_ex.dll

WebAppTech Coding 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. Part of the Injekt brand of unwanted programs. The module util_ex.dll by WebAppTech Coding 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:
WebAppTech Coding LLC  (signed and verified)

MD5:
908549f1af9c5ea47a2948756bd18306

SHA-1:
b8c9a497ca5792c127baecf5ae8209a702da27e3

SHA-256:
48d2ca0171bb78318bec1ebee68ba07cdc91653fa8dac6c8f68d29ae5e062269

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:
12/25/2024 1:12:56 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Injekt (M)
16.11.2.21

File size:
767.6 KB (786,056 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:
WebAppTech Coding LLC

Authority:
COMODO CA Limited

Valid from:
1/15/2013 6:00:00 PM

Valid to:
1/16/2014 5:59:59 PM

Subject:
CN=WebAppTech Coding LLC, O=WebAppTech Coding LLC, STREET="2885 Sanford Ave SW #18716", L=Grandville, S=MI, PostalCode=49418, C=US

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00ED976277604B937F55FA8DF427C5B534

File PE Metadata
Compilation timestamp:
3/1/2013 1:01:04 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:OjpqkSSSSRuh2FUVTD6jv7l4PzP6pWgGZNoTsxpRQ0CL869U/S3xPAUH9lNqFdwS:OfSSSSRuhCD76TbgvTsjJCw6i4PBdlNa

Entry address:
0x8BE4E

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 29, 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, CC, CC, CC, 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, AA, 0B, 10, 00, 74, 05, E9, 76, 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...
 
[+]

Entropy:
6.7444

Code size:
644.5 KB (659,968 bytes)

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