KrabWeb.BOAS.dll

Krab Web

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module KrabWeb.BOAS.dll by Krab Web has been detected as adware by 11 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:
Krab Web  (signed and verified)

Version:
1.0.5398.29487

MD5:
1efc515be3b26557c793678a44527851

SHA-1:
fbd2e44fed1843011cd8636cd4346e7304a055b4

SHA-256:
bf564290a5b85ab2262a368844b570fb20c7c0b74ce4021646e0e84c5b0e5c5b

Scanner detections:
11 / 68

Status:
Adware

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

Analysis date:
4/26/2024 8:53:43 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/BrowseFox.Gen7
7.11.179.100

AVG
Generic
2015.0.3316

Baidu Antivirus
Adware.Win64.BrowseFox
4.0.3.141019

Dr.Web
Trojan.BPlug.230
9.0.1.0292

ESET NOD32
Win64/BrowseFox.AU (variant)
8.10579

Kaspersky
not-a-virus:HEUR:AdWare.MSIL.Kranet
14.0.0.3077

Malwarebytes
v2014.10.19.04

McAfee
BrowseFox.a
5600.6972

Qihoo 360 Security
Win32/Virus.Adware.708
1.0.0.1015

Reason Heuristics
PUP.KrabWeb.L
14.10.19.16

Sophos
Generic PUA PL
4.98

File size:
2.7 MB (2,815,216 bytes)

Product version:
1.0.5398.29487

Original file name:
KrabWeb.BOAS.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\krab web\bin\plugins\krabweb.boas.dll

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
10/6/2014 6:00:00 PM

Valid to:
10/7/2015 5:59:59 PM

Subject:
CN=Krab Web, O=Krab Web, 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:
7267FFF9DE9B65FB24D2CA9CB6A3E8F9

File PE Metadata
Compilation timestamp:
10/12/2014 11:23:07 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
49152:W/sjwfGbnHzvHEyzX+DZNJLf8BmrHa1+mlynds0LbXihtIPq+RZ/v0QtthhBT1:W/s8gnHTkrZffSm2wNds0PXCiqWxtthJ

Entry address:
0x2AF31E

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:
7.9122

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

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

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