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{fa53d675-4680-455e-ac21-6ef151942a45}gw64.sys

App Bud

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {fa53d675-4680-455e-ac21-6ef151942a45}gw64.sys by App Bud has been detected as adware by 4 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{fa53d675-4680-455e-ac21-6ef151942a45}Gw64”.
Publisher:
StdLib  (signed by App Bud)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
65577f8eb517d5c57d3bd196d00aed5d

SHA-1:
4ba4f65f10f52360e2ccd56b8af39dbb0e76348e

SHA-256:
b84d1a40a34b1448e41289c1f9af1df4055c083d1ebdd4dd83e135cb7935b301

Scanner detections:
4 / 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:
11/23/2024 12:33:28 PM UTC  (today)

Scan engine
Detection
Engine version

IKARUS anti.virus
AdWare.SpadeCast
t3scan.1.6.1.0

Reason Heuristics
PUP.AppBud.n
14.7.27.14

Sophos
BrowseSmart
4.98

VIPRE Antivirus
Trojan.Win32.Generic
31550

File size:
59.6 KB (61,008 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\{fa53d675-4680-455e-ac21-6ef151942a45}gw64.sys

Digital Signature
Signed by:
App Bud

Authority:
DigiCert Inc

Valid from:
6/8/2014 7:00:00 PM

Valid to:
6/17/2015 7:00:00 AM

Subject:
CN=App Bud, O=App Bud, L=Santa Monica, S=California, C=US

Issuer:
CN=DigiCert Assured ID Code Signing CA-1, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
07591B091A65F99B8121AB657546815A

File PE Metadata
Compilation timestamp:
1/30/2014 6:45:30 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:5ot2dxF9O8ZF33iqiIy938bWp9XcfBvJkowidI5ZVoMo:59JRicy938ip9ea1jHo

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...
 
[+]

Entropy:
5.9402

Code size:
46.5 KB (47,616 bytes)

Driver
Display name:
{fa53d675-4680-455e-ac21-6ef151942a45}Gw64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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