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{7e865864-f507-4b18-9373-7371440e9f7e}w64.sys

BeatTool

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {7e865864-f507-4b18-9373-7371440e9f7e}w64.sys by BeatTool 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 64-bit kernel mode device driver named “{7e865864-f507-4b18-9373-7371440e9f7e}w64”.
Publisher:
StdLib  (signed by BeatTool)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
67c69e3628c112fd000d7ea02ed92faa

SHA-1:
89a39889924538fbf0f2379413b2e7e4659df7fa

SHA-256:
f7e52ecd94bcda30c2557ff446f855072c1de7dc310bd5597576e26714e6ed21

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:
4/25/2024 7:40:03 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.BeatTool (M)
16.2.10.15

File size:
59.7 KB (61,112 bytes)

Product version:
1.4.3.1

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win64 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{7e865864-f507-4b18-9373-7371440e9f7e}w64.sys

Digital Signature
Signed by:
BeatTool

Authority:
VeriSign, Inc.

Valid from:
1/11/2014 10:00:00 PM

Valid to:
1/12/2015 9:59:59 PM

Subject:
CN=BeatTool, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=BeatTool, 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:
5A07B7666FDB1CEB67AD677224C30BCB

File PE Metadata
Compilation timestamp:
1/30/2014 10:45:30 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:got2dxF9O8ZF33iqiIy938bWp9XcfBvJkowidIr6:g9JRicy938ip9ea1j2

Entry address:
0xF064

Entry point:
48, 83, EC, 28, 4C, 8B, C2, 4C, 8B, C9, E8, 95, FF, FF, FF, 49, 8B, D0, 49, 8B, C9, 48, 83, C4, 28, E9, 2E, 20, FF, FF, CC, CC, 38, F2, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 1C, F6, 00, 00, 60, C1, 00, 00, 28, F1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, BE, F9, 00, 00, 50, C0, 00, 00, D8, F0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, B6, FA, 00, 00, 00, C0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 9A, FA, 00, 00, 00, 00, 00, 00, 86, FA, 00, 00...
 
[+]

Code size:
46.5 KB (47,616 bytes)

Driver
Display name:
{7e865864-f507-4b18-9373-7371440e9f7e}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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