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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 24 anti-malware scanners. It is installed within the context of Internet Explore as a BHO (Browser Helper Object) under the name ‘NetCrawl 1.0.0.7’. 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:
1.0.0.7

MD5:
82f873a3fa18bd5f7e32fd0d585e5f5b

SHA-1:
538e81ffc4a49d92a5efec25c5abae25e0061461

SHA-256:
473fea56cbc4ac37cbff09d56e97d805701b93f091695c58e8cc70150d7b71f6

Scanner detections:
24 / 68

Status:
Adware

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

Analysis date:
4/25/2024 3:25:10 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Adware.Mikey.11547
5575765

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.BrowseFox
2015.05.29

Avira AntiVirus
ADWARE/BrowseFox.Gen2
8.3.1.6

AVG
Adware AdPlugin.DIC
2014.0.4311

Bitdefender
Gen:Variant.Adware.Mikey.11547
1.0.20.740

Bkav FE
W32.HfsAdware
1.3.0.6379

Dr.Web
Trojan.Yontoo.1831
9.0.1.05190

Emsisoft Anti-Malware
Gen:Variant.Adware.Mikey.11547
10.0.0.5366

ESET NOD32
Win32/BrowseFox.AE potentially unwanted application
7.0.302.0

F-Prot
W32/S-f64f6ec1
v6.4.7.1.166

F-Secure
Gen:Variant.Adware.Mikey
5.14.151

G Data
Gen:Variant.Adware.Mikey.11547
15.5.25

IKARUS anti.virus
PUA.BrowseFox
t3scan.1.9.2.0

K7 AntiVirus
Trojan
13.204.16062

Malwarebytes
PUP.Optional.NetCrawl.A
v2015.05.28.05

MicroWorld eScan
Gen:Variant.Adware.Mikey.11547
16.0.0.444

NANO AntiVirus
Trojan.Win32.Yontoo.dnkubo
0.30.24.1636

Quick Heal
PUA.Netcrawl.Gen
5.15.14.00

Reason Heuristics
PUP.Yontoo.NetCrawl
15.5.28.13

Rising Antivirus
PE:Adware.BrowseFox!6.1D8B
23.00.65.15526

Vba32 AntiVirus
AdWare.MSIL.Agent
3.12.26.4

VIPRE Antivirus
Yontoo
40632

Zillya! Antivirus
Backdoor.PePatch.Win32.68317
2.0.0.2193

File size:
262.7 KB (269,040 bytes)

Product version:
1.0.0.7

Copyright:
(c) NetCrawl. All rights reserved.

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:
4/23/2015 2:00:00 AM

Valid to:
6/22/2016 1:59:59 AM

Subject:
CN=NetCrawl, 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:
525D9FA332967C7E9FDF3294C6B5F41D

Registration
CLSID:
{769a91da-209f-47fe-88b9-b0321b0982c8}

COM registered:
Yes

File PE Metadata
Compilation timestamp:
5/28/2015 8:39:17 AM

OS version:
6.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:o+q8Ub9J7yX8LVxQbqHNOhB+hoGK3Qv+Dk5mZKT1hdBicEJK:o+q8UD+sLVW4NOb+sOmZ+jxcK

Entry address:
0xF515

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, EA, 7E, 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, B8, 21, 03, 10, E8, 4C, 02, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, 0C, 77, 03, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, C4, 93, 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...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
159 KB (162,816 bytes)

Internet Explorer BHO
Display name:
NetCrawl 1.0.0.7

CLSID:
{769a91da-209f-47fe-88b9-b0321b0982c8}


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