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ctxwyubmdk.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 ctxwyubmdk.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.
Publisher:
Western Web Applications, LLC  (signed and verified)

MD5:
cb446b61a16eeab1ccb866abc7418900

SHA-1:
66d86c7eddfc9ddcbaff02e09fa67aafd7908fbc

SHA-256:
d829674e8d1593db8cdace48d60180a161a434acc324eb3f1482699cebc7e45c

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 1:38:37 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Injekt (M)
16.11.2.9

File size:
1.1 MB (1,184,080 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\ProgramData\kcqnyyf\dat\ctxwyubmdk.dll

Digital Signature
Signed by:
Western Web Applications, LLC

Authority:
VeriSign, Inc.

Valid from:
6/2/2014 5:00:00 PM

Valid to:
6/3/2015 4:59:59 PM

Subject:
CN="Western Web Applications, LLC", O="Western Web Applications, LLC", L=Del Mar, 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:
2846A7B6FF6C3C84D2AC5AD12B664347

File PE Metadata
Compilation timestamp:
8/4/2014 6:34:27 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:LyKGghrn1/x5R6N1bT1xsVvoDssL/IfjaMXxdzTTAW0N:3Vx1pr6HbIsL/IfLX3TsW0N

Entry address:
0xB0734

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 42, C1, 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, 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, D4, 80, 11, 10, 00, 74, 05, E9, 95, C1, 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...
 
[+]

Entropy:
6.2772

Code size:
818.5 KB (838,144 bytes)

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