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krabweb.boashelper.exe

Krab Web

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application krabweb.boashelper.exe by Krab Web has been detected as adware by 17 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)

MD5:
0b9376094b84fe8c1fe228be3edabba6

SHA-1:
8bec4b67dfef6ab45721e24ae4713cc467f116bc

SHA-256:
956174ed5001b685179ae70b8f83de2175c16ebcc8cd8d093295541b58a87a7b

Scanner detections:
17 / 68

Status:
Adware

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

Analysis date:
4/16/2024 6:07:16 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Adware.Graftor.159134
838

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.BrowseFox
2014.10.18

Avira AntiVirus
Adware/Graftor.159134.12
7.11.179.100

AVG
Generic
2015.0.3316

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141019

Bitdefender
Gen:Variant.Adware.Graftor.159134
1.0.20.1460

Emsisoft Anti-Malware
Gen:Variant.Adware.Graftor.159134
8.14.10.19.04

ESET NOD32
Win32/BrowseFox (variant)
8.10579

Fortinet FortiGate
Riskware/BrowseFox
10/19/2014

F-Secure
Gen:Variant.Adware.Graftor.159134
11.2014-19-10_1

G Data
Gen:Variant.Adware.Graftor.159134
14.10.24

McAfee
Artemis!0B9376094B84
5600.6972

MicroWorld eScan
Gen:Variant.Adware.Graftor.159134
15.0.0.876

Qihoo 360 Security
HEUR/Malware.QVM10.Gen
1.0.0.1015

Reason Heuristics
PUP.KrabWeb.R
14.10.19.16

VIPRE Antivirus
Trojan.Win32.Generic
34006

File size:
1.6 MB (1,649,904 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\krab web\bin\krabweb.boashelper.exe

Digital Signature
Signed by:
Krab Web

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 6:22:51 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
49152:FFw6oFimTLKM5nSWYwICyc64UL3WWAsL2SmL+qXDxpnfancb8Q:2i6KMAWYwFyc64UL3WXsqXXFpnfa+t

Entry address:
0xF6B5B

Entry point:
E8, CC, 84, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 53, 8B, 5D, 08, 83, FB, E0, 77, 6F, 56, 57, 83, 3D, 94, E1, 56, 00, 00, 75, 18, E8, F8, 77, 00, 00, 6A, 1E, E8, 42, 76, 00, 00, 68, FF, 00, 00, 00, E8, 81, 28, 00, 00, 59, 59, 85, DB, 74, 04, 8B, C3, EB, 03, 33, C0, 40, 50, 6A, 00, FF, 35, 94, E1, 56, 00, FF, 15, 2C, F2, 51, 00, 8B, F8, 85, FF, 75, 26, 6A, 0C, 5E, 39, 05, E0, E9, 56, 00, 74, 0D, 53, E8, 0F, 85, 00, 00, 59, 85, C0, 75, A9, EB, 07, E8, 47, 0C, 00, 00, 89, 30, E8, 40, 0C, 00, 00, 89...
 
[+]

Entropy:
6.4157

Code size:
1.1 MB (1,171,456 bytes)

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