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{34ab94d7-028f-4b79-b946-f5785e74c181}w64.sys

SurfEnhance

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {34ab94d7-028f-4b79-b946-f5785e74c181}w64.sys by SurfEnhance 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 “{34ab94d7-028f-4b79-b946-f5785e74c181}w64”.
Publisher:
StdLib  (signed by SurfEnhance)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
7eda4dba8204f5db1e9ce4de5366a6d9

SHA-1:
a46e805980abaa061d3aef31656045f885fca994

SHA-256:
33f28bcc723950bf843bfb5fe1dd497997c275ae8dae90f5d61cafb9edc593c8

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:
11/5/2024 7:23:09 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.14.9

File size:
47.7 KB (48,832 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\{34ab94d7-028f-4b79-b946-f5785e74c181}w64.sys

Digital Signature
Signed by:
SurfEnhance

Authority:
VeriSign, Inc.

Valid from:
9/26/2013 8:00:00 PM

Valid to:
9/27/2015 7:59:59 PM

Subject:
CN=SurfEnhance, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=SurfEnhance, L=Santa Monica, 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:
052C87532FBD523C55FB8703A352F6AB

File PE Metadata
Compilation timestamp:
3/2/2015 4:05:28 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:
6.3933

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{34ab94d7-028f-4b79-b946-f5785e74c181}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.