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{215f3947-4d13-46f7-95aa-328779d361ce}w64.sys

Lizardlink

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {215f3947-4d13-46f7-95aa-328779d361ce}w64.sys by Lizardlink has been detected as adware by 10 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{215f3947-4d13-46f7-95aa-328779d361ce}w64”. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
Publisher:
StdLib  (signed by Lizardlink)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
2a2b084faf18cd9454b4a311f791d53f

SHA-1:
34df0b4ef9b6bc4484d1aacb79c1dd75ffdb2600

SHA-256:
cb6679d8216ebe5d6469c8cb9e0836da6e920244ee9d4feb49488f8a62d24e1a

Scanner detections:
10 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
4/27/2024 12:05:04 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Trojan.BPlug
7.1.1

AVG
MalSign.Skodna.BuzzSearch
2017.0.2834

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.16213

Dr.Web
Trojan.BPlug.123
9.0.1.044

IKARUS anti.virus
AdWare.SpadeCast
t3scan.1.6.1.0

McAfee
Artemis!C515D124E11C
5600.6490

Reason Heuristics
PUP.Yontoo.Lizardlink (M)
16.2.13.15

Sophos
BrowseSmart
4.98

Trend Micro House Call
Suspicious_GEN.F47V0702
7.2.44

VIPRE Antivirus
Trojan.Win32.Generic
31318

File size:
59.7 KB (61,120 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\{215f3947-4d13-46f7-95aa-328779d361ce}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:
1/31/2014 1:45:30 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:dot2dxF9O8ZF33iqiIy938bWp9XcfBvJkowidIb:d9JRicy938ip9ea1j

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...
 
[+]

Code size:
46.5 KB (47,616 bytes)

Driver
Display name:
{215f3947-4d13-46f7-95aa-328779d361ce}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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