SerialTrunc.exe

SerialTrunc

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

Version:
1.0.5421.36618

MD5:
5d1dfc5a93b21ecbfbe09ee570a9a658

SHA-1:
2210b3e331dd3e9ed41a1aebef0749376cfcf5c2

SHA-256:
1762dad478ea47046f3cb0fa279b4fd738954600e3dcdc6d8dfea3f03566d63e

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:
12/23/2024 5:28:29 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.8.8

File size:
512.8 KB (525,088 bytes)

Product version:
1.0.5421.36618

Original file name:
SerialTrunc.exe

Common path:
C:\Program Files\serialtrunc\bin\tmpfb8.tmp

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

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

Valid to:
1/4/2015 12:59:59 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:
11/5/2014 5:20:43 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x7FFB6

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, 02, 00, 10, 00, 00, 00, 20, 00, 00, 80, 18, 00, 00, 00, 38, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 01, 00, 00, 00, 50, 00...
 
[+]

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

Code size:
504 KB (516,096 bytes)

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