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{c3eb7a93-7b3f-46a8-b92a-d13537adf99d}gt.sys

PathMaxx

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {c3eb7a93-7b3f-46a8-b92a-d13537adf99d}gt.sys by PathMaxx 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 “{c3eb7a93-7b3f-46a8-b92a-d13537adf99d}Gt”.
Publisher:
StdLib  (signed by PathMaxx)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
f18d168a3e52c5b1e4d4aa855a89f294

SHA-1:
b9a8acfd2a0f23c1330bf2479d935128a59ab763

SHA-256:
311b0c7c7568555edc39285b6ee7583524006a1a6b6b701549d251c98e4feac9

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 9:45:41 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
16.10.16.9

File size:
54.6 KB (55,864 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\{c3eb7a93-7b3f-46a8-b92a-d13537adf99d}gt.sys

Digital Signature
Signed by:
PathMaxx

Authority:
VeriSign, Inc.

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

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

Subject:
CN=PathMaxx, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=PathMaxx, 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:
02474EA5230B904949EA660CF9E721F3

File PE Metadata
Compilation timestamp:
1/6/2015 8:37:06 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:Wo6LohZZMITF7zKLV3fXoKKxaFtFkW4VIWPLqvH9EQZLN+p60CejOrucpPxS:Wo6+pT1UvYDEHFV4nPe/kpvCeVmP4

Entry address:
0xA9BE

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 2A, E4, FF, FF, CC, CC, 34, AA, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 04, AE, 00, 00, 94, 93, 00, 00, 20, AA, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 3A, AE, 00, 00, 80, 93, 00, 00, 2C, AA, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 56, AE, 00, 00, 8C, 93, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 26, AE, 00, 00, 12, AE, 00, 00, 00, 00, 00, 00, 42, AE, 00, 00, 00, 00, 00, 00, 2C, AB, 00, 00, 44, AB, 00, 00, 56, AB...
 
[+]

Entropy:
6.3462

Code size:
37 KB (37,888 bytes)

Driver
Display name:
{c3eb7a93-7b3f-46a8-b92a-d13537adf99d}Gt

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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