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WebLayers.BOAS.dll

Web Layers

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module WebLayers.BOAS.dll by Web Layers has been detected as adware by 9 anti-malware scanners. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
Publisher:
Web Layers  (signed and verified)

Version:
1.0.5386.16043

MD5:
9b249ce6221ba3aab459cef446e49b19

SHA-1:
e73a2cd342bacbf688b3114d1f2a108c734a11aa

SHA-256:
830f1458a241169ff22b040f5c5fd85e684216fa78041f50e64198bbd03119fd

Scanner detections:
9 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
4/26/2024 8:56:15 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/BrowseFox.Gen7
7.11.175.222

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.14101

Dr.Web
Trojan.BPlug.229
9.0.1.05190

ESET NOD32
MSIL/BrowseFox.G potentially unwanted application
7.0.302.0

Kaspersky
not-a-virus:HEUR:AdWare.MSIL.Kranet
14.0.0.3170

Malwarebytes
PUP.Optional.Sanbreel.A
v2014.10.01.01

McAfee
BrowseFox.a
5600.6991

Reason Heuristics
PUP.WebLayers.N
14.10.1.1

VIPRE Antivirus
Threat.4741131
33120

File size:
2.7 MB (2,815,264 bytes)

Product version:
1.0.5386.16043

Original file name:
WebLayers.BOAS.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\web layers\bin\plugins\weblayers.boas.dll

Digital Signature
Signed by:
Web Layers

Authority:
VeriSign, Inc.

Valid from:
7/30/2013 8:00:00 PM

Valid to:
7/31/2015 7:59:59 PM

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:
9/30/2014 5:54:59 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
49152:OcytciPOzC2B4v2tkyD4laQQABVX8mr8X0NARENpcJ3wS3Be3HD6W5XklZu:OcyeOOm2B4QMlmABVsmyRHNwS383WckO

Entry address:
0x2AF34A

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...
 
[+]

Entropy:
7.9124

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

Code size:
2.7 MB (2,806,784 bytes)

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