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webconnect.expext.dll

Web Layers

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module webconnect.expext.dll by Web Layers has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
Web Layers  (signed and verified)

Version:
1.0.6074.42254

MD5:
776108aeba3bc539cc016515f984bc87

SHA-1:
9a4f3017be6006c9897464560c8f38a4624fb5ac

SHA-256:
df8e444604ed47f9205886fe0d9fe820f84d944680d583b923e547e6d6a87aec

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
5/1/2024 3:35:18 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.11.23

File size:
708.4 KB (725,416 bytes)

Product version:
1.0.6074.42254

Original file name:
2016081907.dll

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\webconnect\bin\plugins\webconnect.expext.dll

Digital Signature
Signed by:
Web Layers

Authority:
Symantec Corporation

Valid from:
8/4/2015 3:00:00 AM

Valid to:
10/3/2016 2:59:59 AM

Subject:
CN=Web Layers, O=Web Layers, L=Santa Monica, S=California, C=US

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
2B5CEE8A350D1CE33516994DA29EC29D

File PE Metadata
Compilation timestamp:
8/19/2016 10:28:34 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

Entry address:
0xB10AE

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
700.5 KB (717,312 bytes)

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