home

{9a9157bb-003e-4fef-8bd1-c09bc4586a28}gt.sys

ToggleMark

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {9a9157bb-003e-4fef-8bd1-c09bc4586a28}gt.sys by ToggleMark has been detected as adware by 3 anti-malware scanners. It runs as a Windows kernel mode device driver named “{9a9157bb-003e-4fef-8bd1-c09bc4586a28}Gt”.
Publisher:
StdLib  (signed by ToggleMark)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
ad72f278722f8a964079bbaffef6e3b2

SHA-1:
b407664f04d94c61bdb7cfbab9010b7dfd59f7f8

SHA-256:
41a82960d4fa2990779a551355bb371d1f51f0af60712b70006324095f2848c0

Scanner detections:
3 / 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:
5/6/2024 3:59:10 AM UTC  (today)

Scan engine
Detection
Engine version

IKARUS anti.virus
AdWare.SwiftBrowse
t3scan.1.6.1.0

Reason Heuristics
PUP.ToggleMark.l
14.7.13.7

VIPRE Antivirus
Trojan.Win32.Generic
31174

File size:
53.9 KB (55,232 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\{9a9157bb-003e-4fef-8bd1-c09bc4586a28}gt.sys

Digital Signature
Signed by:
ToggleMark

Authority:
VeriSign, Inc.

Valid from:
2/4/2014 1:00:00 AM

Valid to:
2/5/2015 12:59:59 AM

Subject:
CN=ToggleMark, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=ToggleMark, L=Santa Monica, 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:
1E789CAD165E259708D9809CE2D90278

File PE Metadata
Compilation timestamp:
1/31/2014 1:46:38 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:VObP7EDNtMTw/RWDjR/McKV5qEXGBJgxgZ+4AOmvtnBU6+RRcFHPSY:kP7EJSTukuzTrGYs+JNBUtRyJqY

Entry address:
0xA73E

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, CA, E3, FF, FF, CC, CC, B4, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 84, AB, 00, 00, 94, 90, 00, 00, A0, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, BA, AB, 00, 00, 80, 90, 00, 00, AC, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, D6, 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, A6, AB, 00, 00, 92, AB, 00, 00, 00, 00, 00, 00, C2, AB, 00, 00, 00, 00, 00, 00, AC, A8, 00, 00, C4, A8, 00, 00, D6, A8...
 
[+]

Code size:
36.3 KB (37,120 bytes)

Driver
Display name:
{9a9157bb-003e-4fef-8bd1-c09bc4586a28}Gt

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


Remove {9a9157bb-003e-4fef-8bd1-c09bc4586a28}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.