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{0bd9bacb-0a2d-4412-900e-b2473afd87b4}gt.sys

NetTock

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {0bd9bacb-0a2d-4412-900e-b2473afd87b4}gt.sys 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 Windows kernel mode device driver named “{0bd9bacb-0a2d-4412-900e-b2473afd87b4}Gt”.
Publisher:
StdLib  (signed by NetTock)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
6a14cfb5246794961adeab9810e442de

SHA-1:
9a4db9d95e8079ec1e7717a0049d4e08a05a8969

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:
11/23/2024 6:17:52 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo
17.2.28.7

File size:
53.8 KB (55,096 bytes)

Product version:
1.4.3.1

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win32 SYS)

Common path:
C:\Windows\System32\drivers\{0bd9bacb-0a2d-4412-900e-b2473afd87b4}gt.sys

Digital Signature
Signed by:
NetTock

Authority:
VeriSign, Inc.

Valid from:
1/12/2014 2:00:00 AM

Valid to:
1/13/2015 1:59:59 AM

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:
8/7/2014 2:52:31 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

Entry address:
0xA6BE

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 4A, E4, FF, FF, CC, CC, 34, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 04, AB, 00, 00, 94, 90, 00, 00, 20, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 3A, AB, 00, 00, 80, 90, 00, 00, 2C, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 56, AB, 00, 00, 8C, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 26, AB, 00, 00, 12, AB, 00, 00, 00, 00, 00, 00, 42, AB, 00, 00, 00, 00, 00, 00, 2C, A8, 00, 00, 44, A8, 00, 00, 56, A8...
 
[+]

Code size:
36.3 KB (37,120 bytes)

Driver
Display name:
{0bd9bacb-0a2d-4412-900e-b2473afd87b4}Gt

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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