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netcrawl.expext.dll

TopicTron

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module netcrawl.expext.dll by TopicTron has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
TopicTron  (signed and verified)

Version:
1.0.5494.37042

MD5:
3ec0f5085318d429d9c53e4e446c0b90

SHA-1:
2fbe0b5836ea6213d8f67daa095d096a502896c7

SHA-256:
01eca1fd7b010a1086122bdd5945edf9be255b9f929f73012d2c5c87c373d6b3

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
11/5/2024 8:20:39 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.5.1

File size:
585.3 KB (599,328 bytes)

Product version:
1.0.5494.37042

Original file name:
NetCrawl.ExpExt2015011704.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\netcrawl\bin\plugins\netcrawl.expext.dll

Digital Signature
Signed by:
TopicTron

Authority:
VeriSign, Inc.

Valid from:
3/19/2014 7:00:00 AM

Valid to:
3/20/2015 6:59:59 AM

Subject:
CN=TopicTron, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=TopicTron, 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:
525F682B2D8B1E0BB71F3041A3873EB2

File PE Metadata
Compilation timestamp:
1/17/2015 11:34:49 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x9233A

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
577 KB (590,848 bytes)

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