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{e4c6b00c-d06e-4877-9f09-d92a224047b5}gt.sys

Rock Turner

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {e4c6b00c-d06e-4877-9f09-d92a224047b5}gt.sys by Rock Turner 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 “{e4c6b00c-d06e-4877-9f09-d92a224047b5}Gt”.
Publisher:
StdLib  (signed by Rock Turner)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
079f8f3bf3a8f52240de4963facc2564

SHA-1:
89c3845166af6748eb13364b2717266fd0ff0b4e

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:
11/5/2024 12:37:05 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.12.8

File size:
54.5 KB (55,824 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\{e4c6b00c-d06e-4877-9f09-d92a224047b5}gt.sys

Digital Signature
Signed by:
Rock Turner

Authority:
VeriSign, Inc.

Valid from:
3/12/2015 1:00:00 PM

Valid to:
4/11/2016 11:59:59 AM

Subject:
CN=Rock Turner, O=Rock Turner, 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:
1579098FD015448C8A533E5BEBAAA4A6

File PE Metadata
Compilation timestamp:
1/27/2016 1:19:41 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

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...
 
[+]

Code size:
37 KB (37,888 bytes)

Driver
Display name:
{e4c6b00c-d06e-4877-9f09-d92a224047b5}Gt

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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