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{97b7ec0a-f987-45e4-b01b-dd899fc689c3}w64.sys

Lizardlink

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {97b7ec0a-f987-45e4-b01b-dd899fc689c3}w64.sys by Lizardlink 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 “{97b7ec0a-f987-45e4-b01b-dd899fc689c3}w64”.
Publisher:
StdLib  (signed by Lizardlink)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
af7c9f5f32f69efa563033c0e55c7de1

SHA-1:
8301236fce7cdee10f5dcd64c699bcea43262406

SHA-256:
5853a9be03f9069fe0e1f531f0a194208f2f978628a5ac1618208c53d6f100af

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:
4/18/2024 11:16:30 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.2.18.15

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\{97b7ec0a-f987-45e4-b01b-dd899fc689c3}w64.sys

Digital Signature
Signed by:
Lizardlink

Authority:
VeriSign, Inc.

Valid from:
8/13/2013 2:00:00 AM

Valid to:
8/14/2015 1:59:59 AM

Subject:
CN=Lizardlink, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Lizardlink, L=San Diego, 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:
75D65D3F9991F633C8AC64A5AE9E34EE

File PE Metadata
Compilation timestamp:
12/20/2014 2:22:34 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...
 
[+]

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{97b7ec0a-f987-45e4-b01b-dd899fc689c3}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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