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{ba099a85-e825-4802-83e7-d386a5b4a734}w64.sys

BuzzSearch

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {ba099a85-e825-4802-83e7-d386a5b4a734}w64.sys by BuzzSearch 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 “{ba099a85-e825-4802-83e7-d386a5b4a734}w64”.
Publisher:
StdLib  (signed by BuzzSearch)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
dcecee16d51b47ca86aa23815e3230eb

SHA-1:
50d35e261a6a51df3c6274ff62d83e2d0ae37456

SHA-256:
2e0c502f9dfb8bfacb25a337ec25eb5c49ce144ac83f4cf5ef6c143c17910b6f

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:
11/27/2024 1:19:34 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.2.14.5

File size:
47.3 KB (48,448 bytes)

Product version:
1.4.4.6

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win64 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{ba099a85-e825-4802-83e7-d386a5b4a734}w64.sys

Digital Signature
Signed by:
BuzzSearch

Authority:
COMODO CA Limited

Valid from:
5/2/2014 5:00:00 PM

Valid to:
5/3/2015 4:59:59 PM

Subject:
CN=BuzzSearch, OU=BuzzSearch, O=BuzzSearch, STREET=10620 Treena Street Suite 230, L=San Diego, S=Ca, PostalCode=92131, C=US

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00DD9FCB2E901E39FD097F0632D190AF7E

File PE Metadata
Compilation timestamp:
9/22/2014 12:01:54 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

Entry address:
0xC064

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, E2, 50, FF, FF, CC, CC, 78, C2, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 54, C6, 00, 00, A0, 91, 00, 00, 28, C1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, DA, CA, 00, 00, 50, 90, 00, 00, D8, C0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, D2, CB, 00, 00, 00, 90, 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, B6, CB, 00, 00, 00, 00, 00, 00, A2, CB, 00, 00...
 
[+]

Entropy:
6.3808

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{ba099a85-e825-4802-83e7-d386a5b4a734}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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