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netcrawlbho.dll

NetCrawl

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module netcrawlbho.dll by NetCrawl has been detected as adware by 27 anti-malware scanners. This file is typically installed with the program NetCrawl by Yontoo Technology, Inc. which is a potentially unwanted software program. 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:
NetCrawl  (signed and verified)

Product:
NetCrawl

Version:
1.0.0.3

MD5:
d89f60560ccbd37b30406e2c3c9d12d2

SHA-1:
6be4fc5b0dc82b05b81ef78f9e88a7c584201184

SHA-256:
830b7dd28a6ba78bbc5e0e16225a0178fe34601a2829f3e83186a38f4ea11e87

Scanner detections:
27 / 68

Status:
Adware

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

Analysis date:
4/26/2024 1:44:08 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Adware.BHO.Agent.4
926

AhnLab V3 Security
Adware/Win32.Agent
2014.07.13

Avira AntiVirus
APPL/BrowseFox.Gen2
7.11.160.60

AVG
BrowseFox.F
2015.0.3404

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.14723

Bitdefender
Gen:Variant.Adware.BHO.Agent.4
1.0.20.1020

Comodo Security
Application.Win32.Altbrowse.AK
18846

Dr.Web
Trojan.BPlug.28
9.0.1.0204

Emsisoft Anti-Malware
Gen:Variant.Adware.BHO.Agent
8.14.07.23.10

ESET NOD32
Win32/BrowseFox (variant)
8.10083

Fortinet FortiGate
Adware/Agent
7/23/2014

F-Secure
Gen:Variant.Adware.BHO.Agent.4
11.2014-23-07_4

G Data
Gen:Variant.Adware.BHO.Agent
14.7.24

K7 AntiVirus
Trojan
13.180.12701

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.3515

Malwarebytes
PUP.Optional.NetCrawl.A
v2014.07.23.10

McAfee
Artemis!D89F60560CCB
5600.7060

MicroWorld eScan
Gen:Variant.Adware.BHO.Agent.4
15.0.0.612

NANO AntiVirus
Riskware.Win32.Agent.cuenda
0.28.0.60698

Panda Antivirus
Trj/CI.A
14.07.23.10

Qihoo 360 Security
HEUR/Malware.QVM30.Gen
1.0.0.1015

Reason Heuristics
Adware.Yontoo.NetCrawl.L
14.7.23.22

Sophos
Generic PUA GL
4.98

SUPERAntiSpyware
Adware.BrowseFox/Variant
10465

Trend Micro House Call
Suspicious_GEN.F47V0710
7.2.204

VIPRE Antivirus
Yontoo
31182

Zillya! Antivirus
Adware.Agent.Win32.9549
2.0.0.1855

File size:
243.8 KB (249,632 bytes)

Product version:
1.0.0.3

Copyright:
(c) NetCrawl. All rights reserved.

Original file name:
NetCrawlIEClient.dll

File type:
Dynamic link library (Win32 DLL)

Language:
English (United States)

Common path:
C:\Program Files\netcrawl\netcrawlbho.dll

Digital Signature
Signed by:
NetCrawl

Authority:
VeriSign, Inc.

Valid from:
4/28/2014 8:00:00 PM

Valid to:
4/29/2015 7:59:59 PM

Subject:
CN=NetCrawl, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=NetCrawl, 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:
3C05F8D25EB72CD5B6EB863AA0585F70

File PE Metadata
Compilation timestamp:
7/9/2014 6:55:33 PM

OS version:
6.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:z7wPtpaAf0ZP0Thn+BClmD5pCM21m+2BIaIvknLgpId:z7wKZQd+nzJBIsLcId

Entry address:
0x12844

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, 20, 2D, 03, 10, E8, BD, 01, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, 04, 68, 03, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, 7C, A1, 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...
 
[+]

Entropy:
6.3669

Developed / compiled with:
Microsoft Visual C++

Code size:
159 KB (162,816 bytes)

The file netcrawlbho.dll has been discovered within the following programs.

NetCrawl  by Yontoo Technology, Inc.
NetCrawl is an adware program from Yontoo that integrates into the user's web browsers (IE, Chrome, Firefox) and will perform a number of functions mostly designed to generate advertising supported or affiliate revenue.
netcrawl.info/support
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