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SerialTrunc.GCUpdate.dll

SerialTrunc

This is the Google Chrome extension manager/updater for the Yontoo SerialTrunc branded web browser plugin which injects banners, text-link and popup ads in the Chorme browser. The module SerialTrunc.GCUpdate.dll by SerialTrunc has been detected as adware by 2 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:
SerialTrunc  (signed and verified)

Version:
1.0.5120.20802

MD5:
a1b4b14d80597daadfe91162dd05e6f0

SHA-1:
4d8230d5cf05dba39ad65285dbdcb5479b5c2c41

SHA-256:
77f2912d2cc3dcbccb5b5a08b0f08a49258c48856ab7a8c0840184a57f802ed5

Scanner detections:
2 / 68

Status:
Adware

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

Analysis date:
4/25/2024 8:19:44 AM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
MSIL/BrowseFox (variant)
8.9639

Reason Heuristics
Adware.Yontoo.SerialTrunc.T
14.8.8.3

File size:
439.3 KB (449,824 bytes)

Product version:
1.0.5120.20802

Original file name:
SerialTrunc.GCUpdate.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

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

Digital Signature
Signed by:
SerialTrunc

Authority:
VeriSign, Inc.

Valid from:
1/3/2014 3:00:00 AM

Valid to:
1/4/2015 2:59:59 AM

Subject:
CN=SerialTrunc, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=SerialTrunc, L=San Diego, 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:
167D55FA84ED98E4D7F5933FEC5E95BA

File PE Metadata
Compilation timestamp:
1/7/2014 2:33:37 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:3ghZYW7s0XH++PQq5j8CNqdpSyETGLc4eBWqit/Hris0ZQaeQAnFoyGFUbTaU7V+:QB7xBTj8FSTeKipmlZ6QAnFzGFqeK+

Entry address:
0x6DA7A

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:
7.6979

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

Code size:
431 KB (441,344 bytes)

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