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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:
1.0.5576.11927

MD5:
efb3d07c0def6a4c82a6349d8fbec15b

SHA-1:
118a0a830b797adada98897f1b45375c140ff2bd

SHA-256:
429271f7c1e2f5911550e35d9c7e2db2bba99d2a94853fd7665ac3d5d20c6d2c

Scanner detections:
1 / 68

Status:
Adware

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

Analysis date:
12/4/2024 8:15:03 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo (M)
17.2.10.16

File size:
1.5 MB (1,521,904 bytes)

Product version:
1.0.5576.11927

Original file name:
NetCrawl.GCUpdate2015040814.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:
3/11/2015 2:00:00 AM

Valid to:
4/10/2016 2:59:59 AM

Subject:
CN=TopicTron, 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:
2F76751DA87D7ABD835A2D85F9012540

File PE Metadata
Compilation timestamp:
4/8/2015 5:37:56 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x173632

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:
1.4 MB (1,513,472 bytes)

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