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utilnettock.exe

NetTock

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application utilnettock.exe by NetTock has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a separate (within the context of its own process) windows Service named “Util NetTock”.
Publisher:
NetTock  (signed and verified)

Version:
1.0.5260.26191

MD5:
9a5c015b1eb585f749016835042076ef

SHA-1:
3c4076657fcd0754bd8f4734d64da1bd5c74125a

SHA-256:
a5ea8304a6bf9b97b8674972437bd56a08937c81f1b01fbdbfdf6c6d7af0f504

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 8:52:21 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.NetTock (M)
16.2.7.11

File size:
310.3 KB (317,720 bytes)

Product version:
1.0.5260.26191

Original file name:
NetTock.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\Program Files\nettock\bin\utilnettock.exe

Digital Signature
Signed by:
NetTock

Authority:
VeriSign, Inc.

Valid from:
1/11/2014 7:00:00 PM

Valid to:
1/12/2015 6:59:59 PM

Subject:
CN=NetTock, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=NetTock, 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:
41BB672E3BDED612E4F80C8809E8DF4C

File PE Metadata
Compilation timestamp:
5/27/2014 11:33:17 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:Ik4Bn8rALVhqsCknH8lL7ppZuV0kp9lqqQQubJA:Ik4B6A7qsN8UmkpPAA

Entry address:
0x4D57A

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:
6.0903

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

Code size:
301.5 KB (308,736 bytes)

Service
Display name:
Util NetTock

Type:
Win32OwnProcess


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