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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:
1.0.5612.14564

MD5:
df2867994766dd5bd552c9e34100341b

SHA-1:
c8d33e76874a56755c1f56241e5b00ac0cf8bc87

SHA-256:
998b44afcca2e6f2fe7e4ca0c499028d85d9a93401b6878689b3baad30908feb

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:
4/16/2024 8:15:35 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.WebLayers (M)
16.2.12.20

File size:
494.8 KB (506,656 bytes)

Product version:
1.0.5612.14564

Original file name:
WebConnect.ExpExt2015051416.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:
VeriSign, Inc.

Valid from:
7/31/2013 3:00:00 AM

Valid to:
8/1/2015 2:59:59 AM

Subject:
CN=Web Layers, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Web Layers, L=Santa Monica, 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:
68B083249006BA50D35F50A8F44CD7D4

File PE Metadata
Compilation timestamp:
5/14/2015 7:05:41 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
12288:Lh6WXWI17H9SJYiTrj4N2J/3nMZbf/u57vf69iXOMe:LdJGJZrv/4f/u5rrxe

Entry address:
0x7B8BE

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:
486.5 KB (498,176 bytes)

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