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{01531192-f7ef-415f-a549-cfdb11836731}w64.sys

Surftastic

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {01531192-f7ef-415f-a549-cfdb11836731}w64.sys by Surftastic 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 “{01531192-f7ef-415f-a549-cfdb11836731}w64”.
Publisher:
StdLib  (signed by Surftastic)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
50e308855204280856085cf11a86cb1b

SHA-1:
2383626a9f758f25456a18c764a5d4c43dcfef78

SHA-256:
dd52c79f476f0de6a3a6e26fe8051e0ca5ea6570fd4f16b3db68a43cb9d0d697

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:
5/26/2024 10:14:41 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.14.6

File size:
59.3 KB (60,704 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\{01531192-f7ef-415f-a549-cfdb11836731}w64.sys

Digital Signature
Signed by:
Surftastic

Authority:
COMODO CA Limited

Valid from:
5/7/2014 5:30:00 AM

Valid to:
5/8/2015 5:29:59 AM

Subject:
CN=Surftastic, O=Surftastic, 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:
1E51B1BC1DA0D725290BE84DCF88D4EB

File PE Metadata
Compilation timestamp:
8/7/2014 5:22:18 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

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:
5.9373

Code size:
46.5 KB (47,616 bytes)

Driver
Display name:
{01531192-f7ef-415f-a549-cfdb11836731}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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