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serialtruncun.exe

SerialTrunc

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

Version:
1.0.0.0

MD5:
99b5e3e52d08dd51dc79193b31535bfb

SHA-1:
b7a2cd3e3b204f816a193ef229c9fca1d5bf3020

SHA-256:
0f58ddcf7e360725cbdbfb822306bc400f2a971d3b6d7de82403ab48d00e0940

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:
5/5/2024 12:39:52 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.1.2

File size:
529.2 KB (541,936 bytes)

Product version:
1.0.0.0

Original file name:
SerialTrunc Uninstaller.exe

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\serialtrunc\serialtruncun.exe

Digital Signature
Signed by:
SerialTrunc

Authority:
VeriSign, Inc.

Valid from:
12/23/2014 3:00:00 AM

Valid to:
1/23/2016 2:59:59 AM

Subject:
CN=SerialTrunc, 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:
37DAC0EB032B561622590A3ABC33692C

File PE Metadata
Compilation timestamp:
6/10/2015 6:34:51 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

.NET CLR dependent:
Yes

Entry address:
0x825EE

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, 04, 00, 03, 00, 00, 00, 30, 00, 00, 80, 0E, 00, 00, 00, 60, 00, 00, 80, 10, 00, 00, 00, 78, 00, 00, 80, 18, 00, 00, 00, 90, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 04, 00, 02, 00, 00, 00, A8, 00, 00, 80, 03, 00, 00, 00, C0, 00, 00, 80, 04, 00, 00, 00, D8, 00, 00, 80, 05, 00, 00, 00, F0, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
5.9648

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

Code size:
513.5 KB (525,824 bytes)

Program Uninstaller
Program name:
SerialTrunc

Display publisher:
SerialTrunc

Display version:
2014.02.26.045520

Uninstall string:
C:\Program Files\SerialTrunc\SerialTruncUn.exe REP_


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