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util_ex.dll

Western Web Applications, 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 Western Web Applications 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:
Western Web Applications, LLC  (signed and verified)

MD5:
6e158f5cb8c7923ec75cede07065376f

SHA-1:
5d8b580b33bebb21113b1af5f188b38627f5d71c

SHA-256:
91a94d0d733337ef1b9d741c55c5e2e5edbb7177c09e9e55d4fc059e74a4eeea

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 4:24:42 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Injekt (M)
17.1.31.20

File size:
767.6 KB (786,072 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:
Western Web Applications, LLC

Authority:
COMODO CA Limited

Valid from:
5/23/2013 7:00:00 PM

Valid to:
5/24/2014 6:59:59 PM

Subject:
CN="Western Web Applications, LLC", O="Western Web Applications, LLC", STREET=640 E Grand Ave, STREET=Suite 129, L=Carlsbad, S=CA, PostalCode=92008, C=US

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

Serial number:
2A1B337726D509D16C17362E2E625DE9

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

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:
6.7441

Code size:
644.5 KB (659,968 bytes)

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