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{ba099a85-e825-4802-83e7-d386a5b4a734}gw.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}gw.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 kernel mode device driver named “{ba099a85-e825-4802-83e7-d386a5b4a734}Gw”.
Publisher:
StdLib  (signed by BuzzSearch)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
997ab08f1d5a4540e55d67a91708fd46

SHA-1:
750fd3897acbef0f2fe56df59ddd7f86a881cb45

SHA-256:
da5dc354b755e86f946b4b49d1d1f9d3a7b2d17976a0d0aebbda3691a5aeb92b

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:
4/19/2024 6:09:45 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.BuzzSearch (M)
16.2.13.13

File size:
37.8 KB (38,720 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\{ba099a85-e825-4802-83e7-d386a5b4a734}gw.sys

Digital Signature
Signed by:
BuzzSearch

Authority:
COMODO CA Limited

Valid from:
5/3/2014 2:00:00 AM

Valid to:
5/4/2015 1:59:59 AM

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:
9/13/2014 1:32:59 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:ef5OQ5p9MZq9Vkh5z8tZfJm/6D1GqA+5+TFpEwX++wHr:ef5H5pH+x8t1c/+Gd+5/4Pmr

Entry address:
0x903E

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 20, 80, FF, FF, CC, CC, 74, 91, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, AE, 94, 00, 00, C0, 70, 00, 00, B4, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 04, 95, 00, 00, 00, 70, 00, 00, EC, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, A0, 98, 00, 00, 38, 70, 00, 00, C4, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 98, 99, 00, 00, 10, 70, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, DC, 94, 00, 00, F0, 94, 00, 00, C8, 94...
 
[+]

Code size:
24.5 KB (25,088 bytes)

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

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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