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netcrawlbaapp.dll

NetCrawl

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module netcrawlbaapp.dll by NetCrawl has been detected as adware by 22 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:
NetCrawl  (signed and verified)

MD5:
a8d31fbc9eb5eb49889b62a67b43058e

SHA-1:
34b48bcc93b9ee37f49d2f50c076ed58279fbb42

SHA-256:
14ad01472aa8abe47da4f01130885307a2ad47f27afb847e8cb40e7730f7a936

Scanner detections:
22 / 68

Status:
Adware

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

Analysis date:
4/26/2024 1:15:00 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.AQ
927

Agnitum Outpost
Riskware.Agent
7.1.1

Avira AntiVirus
APPL/BrowseFox.Gen
7.11.163.108

AVG
NetCrawl
2015.0.3405

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.14722

Bitdefender
Adware.SwiftBrowse.AQ
1.0.20.1015

Clam AntiVirus
Win.Adware.Swiftbrowse-53
0.98/21411

Comodo Security
Application.Win32.AltBrowse.AKB
18936

Dr.Web
Trojan.BPlug.79
9.0.1.0203

Emsisoft Anti-Malware
Adware.SwiftBrowse.AQ
8.14.07.22.04

ESET NOD32
Win32/BrowseFox (variant)
8.10137

F-Secure
Adware.SwiftBrowse.AQ
11.2014-22-07_3

G Data
Adware.SwiftBrowse.AQ
14.7.24

IKARUS anti.virus
PUA.BrowseFox
t3scan.1.6.1.0

McAfee
Artemis!A8D31FBC9EB5
5600.7061

MicroWorld eScan
Adware.SwiftBrowse.AQ
15.0.0.609

NANO AntiVirus
Riskware.Win32.LinkSwift.dckyut
0.28.2.60990

Panda Antivirus
Adware/BrowserFox
14.07.22.04

Reason Heuristics
PUP.NetCrawl.N
14.7.22.16

Sophos
Generic PUA DE
4.98

Vba32 AntiVirus
AdWare.Agent
3.12.26.3

VIPRE Antivirus
Trojan.Win32.Generic
31504

File size:
179.3 KB (183,584 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\netcrawl\bin\netcrawlbaapp.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:
7/8/2014 2:04:55 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:hEBVpsHdKqejTdx7V8zPJvPwUssoyBjtIAiCt+JFxh:hE5jTdj4BvesoYjtIA9tQfh

Entry address:
0xF6EC

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 68, 75, 00, 00, FF, 75, 08, 8B, 4D, 10, 8B, 55, 0C, E8, EC, FE, FF, FF, 59, 5D, C2, 0C, 00, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, A0, 25, 02, 10, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, 18, 20, 02, 10, C9, C2, 08, 00, 8B, FF, 55, 8B, EC, 51, 53, 56, 8B, 35, D8, 20, 02, 10, 57, FF, 35...
 
[+]

Entropy:
6.5493

Code size:
129.5 KB (132,608 bytes)

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