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krabweb.dll

Krab Web

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module krabweb.dll by Krab Web has been detected as adware by 10 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)

Product:
Krab Web

Version:
1.0.0.3

MD5:
ce3e606360ec055f892e9e4044bd8028

SHA-1:
5c0609e5cd5b0aa2bb7840b99f97805f64830e61

SHA-256:
45e5f89371f9945fba19a1bb8ae2a1aef501c95f8ba1fdd9477c3290579fa480

Scanner detections:
10 / 68

Status:
Adware

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

Analysis date:
4/25/2024 11:19:19 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/BrowseFox.Gen2
7.11.182.78

AVG
Adware BrowseFox.F
2014.0.4040

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141030

Comodo Security
Application.Win32.BrowseFox.JM
19944

Dr.Web
Trojan.BPlug.144
9.0.1.05190

ESET NOD32
Win32/BrowseFox.O potentially unwanted application
7.0.302.0

Malwarebytes
PUP.Optional.KrabWeb.A
v2014.10.30.11

McAfee
BrowseFox-FRR
5600.6962

NANO AntiVirus
Trojan.Win32.BPlug.dfogbn
0.28.6.62995

Reason Heuristics
PUP.KrabWeb.H
14.10.27.17

File size:
244.2 KB (250,096 bytes)

Product version:
1.0.0.3

Copyright:
(c) Krab Web. All rights reserved.

Original file name:
Krab WebIEClient.dll

File type:
Dynamic link library (Win32 DLL)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\content.ie5\l9j899cn\krabweb.dll

Digital Signature
Signed by:
Krab Web

Authority:
VeriSign, Inc.

Valid from:
10/7/2014 2:00:00 AM

Valid to:
10/8/2015 1:59:59 AM

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:
10/26/2014 10:58:27 PM

OS version:
6.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:CRxoOBfVfdiKQkpiUFjIlige9eAxjN+/IaIWCBLCfah:C5BfVfRQSiQeGYInBCfah

Entry address:
0x12854

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 41, 8D, 00, 00, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, 07, 00, 00, 00, 83, C4, 0C, 5D, C2, 0C, 00, 6A, 0C, 68, 70, 30, 03, 10, E8, BD, 01, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, 04, 78, 03, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, FC, A4, 02, 10, 85, C9, 74, 0C, FF, 75, 10, 56, FF, 75, 08, FF, D1, 89, 45, E4, 85, C0, 0F, 84, B1, 00, 00, 00, FF, 75, 10, 56, FF, 75, 08, E8, 11, FE, FF, FF, 89, 45, E4...
 
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Developed / compiled with:
Microsoft Visual C++

Code size:
159 KB (162,816 bytes)

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