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netcrawl.gcupdate.dll

TopicTron

This is the Google Chrome extension manager/updater for the Yontoo TopicTron branded web browser plugin which injects banners, text-link and popup ads in the Chorme browser. The module netcrawl.gcupdate.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:
1.0.5501.24843

MD5:
b6456c24da3b00f15f904075ce1e18d9

SHA-1:
49402bb530536be27a35fe2668501327c453787a

SHA-256:
7e723d806bd86454c0214b21d43f3a8e31d343206e8eee64fe5696fe350a2e5a

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Part of the Yontoo distributed ad-supported web browser extension for Chrome.

Analysis date:
12/24/2024 12:31:10 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo (M)
17.3.6.11

File size:
1.6 MB (1,648,416 bytes)

Product version:
1.0.5501.24843

Original file name:
NetCrawl.GCUpdate2015012321.dll

File type:
Dynamic link library (Win32 DLL)

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

Digital Signature
Signed by:
TopicTron

Authority:
VeriSign, Inc.

Valid from:
3/19/2014 9:00:00 AM

Valid to:
3/20/2015 8:59:59 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:
1/24/2015 6:48:12 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x1924DA

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...
 
[+]

Entropy:
7.3204

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

Code size:
1.6 MB (1,639,936 bytes)

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