home

{ba5bdfa6-01ff-443c-b8f1-b66ac8b14b6c}gt.sys

Four Finders

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {ba5bdfa6-01ff-443c-b8f1-b66ac8b14b6c}gt.sys by Four Finders 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 “{ba5bdfa6-01ff-443c-b8f1-b66ac8b14b6c}Gt”.
Publisher:
StdLib  (signed by Four Finders)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
21dfefa8e49bad219c6160fa3c73d2f8

SHA-1:
48a137ad63442010c682a0ca3b3ae9a6c429956c

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:
5/21/2024 12:52:24 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.1.10

File size:
53.8 KB (55,104 bytes)

Product version:
1.4.3.1

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win32 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{ba5bdfa6-01ff-443c-b8f1-b66ac8b14b6c}gt.sys

Digital Signature
Signed by:
Four Finders

Authority:
VeriSign, Inc.

Valid from:
1/22/2014 7:00:00 PM

Valid to:
1/23/2015 6:59:59 PM

Subject:
CN=Four Finders, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Four Finders, 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:
62BA09F2D5B6ECD8EB73CC14CFE0D9B9

File PE Metadata
Compilation timestamp:
8/6/2014 7:52:31 PM

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...
 
[+]

Entropy:
6.3410

Code size:
36.3 KB (37,120 bytes)

Driver
Display name:
{ba5bdfa6-01ff-443c-b8f1-b66ac8b14b6c}Gt

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


Remove {ba5bdfa6-01ff-443c-b8f1-b66ac8b14b6c}gt.sys - Powered by Reason Core Security
herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.