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{6e48ad4f-fdba-432d-909e-4ad154ef30a0}t.sys

Box Rock

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {6e48ad4f-fdba-432d-909e-4ad154ef30a0}t.sys by Box Rock 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 “{6e48ad4f-fdba-432d-909e-4ad154ef30a0}t”.
Publisher:
StdLib  (signed by Box Rock)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
6b682ce1849873b788750ec740f5b009

SHA-1:
e9a7cd7baf2ec4191b8449dcb5cf45ec33005b23

SHA-256:
371b8282e2d72d95c34d1d1ec7b41f2f16c14d9a91a1ad1a66ad21caaa9a4525

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:
12/24/2024 12:23:24 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.13.20

File size:
54.5 KB (55,816 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\{6e48ad4f-fdba-432d-909e-4ad154ef30a0}t.sys

Digital Signature
Signed by:
Box Rock

Authority:
VeriSign, Inc.

Valid from:
10/7/2014 7:00:00 AM

Valid to:
10/3/2015 6:59:59 AM

Subject:
CN=Box Rock, O=Box Rock, 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:
1125198B1C5DF8CC1185255178F1DAFC

File PE Metadata
Compilation timestamp:
7/8/2015 11:48:18 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:
{6e48ad4f-fdba-432d-909e-4ad154ef30a0}t

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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