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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:
1.0.5413.33266

MD5:
d56d8b43945e0a62c8eaf4d2ce8b224d

SHA-1:
d8a4429bb45bc8d814bc5b4ca6e33a7dd4d1bdc5

SHA-256:
167a44ab3813adf6773dfb6f18ab5db79f834a24b591d17f1d03ddb51eb28e29

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:
4/23/2024 9:53:34 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.8.8

File size:
511.8 KB (524,064 bytes)

Product version:
1.0.5413.33266

Original file name:
SerialTrunc.exe

Common path:
C:\Program Files\serialtrunc\bin\tmpe696.tmp

Digital Signature
Signed by:
SerialTrunc

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:
10/28/2014 3:28:56 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x7F9A6

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, 02, 00, 00, 00, 5E, 00, 00, 00, E8, F9, 07, 00, E8, DB, 07, 00, 52, 53, 44, 53, 46, 50, 71, 37, 3E, CE, D6, 42, AF, 04, 93, B1, 5C, 0D, BB, D1, 01, 00, 00, 00, 44, 3A, 5C, 55, 74, 69, 6C, 69, 74, 69, 65, 73, 5C, 74, 63, 32, 30, 6D, 33, 33, 70, 2E, 75, 65, 67, 5C, 44, 65, 73, 6B, 74, 6F, 70, 5C, 44, 65, 73, 6B...
 
[+]

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

Code size:
503 KB (515,072 bytes)

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