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{6cb9884f-9bf7-4457-8c28-23c7ccc9fa12}w64.sys

Whilokii

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {6cb9884f-9bf7-4457-8c28-23c7ccc9fa12}w64.sys by Whilokii has been detected as adware by 28 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{6cb9884f-9bf7-4457-8c28-23c7ccc9fa12}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 Whilokii)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
cd54c814cd62db98f2e38e82d30c3540

SHA-1:
cca8b6cfae4c80c35f9f4652a3865230cc05217b

SHA-256:
63cc95f24bd1dade042eecac0586ee314cda4362ba7bcb4cf25a00568744a5b0

Scanner detections:
28 / 68

Status:
Adware

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

Analysis date:
4/18/2024 10:17:22 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
356

Agnitum Outpost
Riskware.Agent
7.1.1

avast!
Win32:BrowseFox-EE [PUP]
2014.9-160213

AVG
Generic
2017.0.2834

Bitdefender
Adware.SwiftBrowse.CH
1.0.20.220

Bkav FE
W64.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Swiftbrowse-497
0.98/21511

Dr.Web
Trojan.Yontoo.1734
9.0.1.044

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
8.16.02.13.09

ESET NOD32
Win64/BrowseFox.CG (variant)
10.10950

Fortinet FortiGate
Adware/BrowseFox
2/13/2016

F-Prot
W64/A-59c9c70a
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.CH
11.2016-13-02_7

G Data
Adware.SwiftBrowse.CH
16.2.25

K7 AntiVirus
Adware
13.200.15236

McAfee
Artemis!294D4666A7A2
5600.6490

MicroWorld eScan
Adware.SwiftBrowse.CH
17.0.0.132

NANO AntiVirus
Riskware.Win64.NetFilter.doyrof
0.30.0.296

Norman
Adware.SwiftBrowse.CH
11.20160213

nProtect
Adware.SwiftBrowse.CH
15.03.11.01

Reason Heuristics
PUP.Yontoo.Whilokii (M)
16.2.13.21

Rising Antivirus
PE:Trojan.Win32.Generic.17E16D0B!400649483
23.00.65.16211

Sophos
Browse Fox
4.98

SUPERAntiSpyware
Adware.BrowseFox/Variant
9325

Trend Micro House Call
TROJ_GEN.R02KC0OCB15
7.2.44

Trend Micro
HS_BROWSEFOX.SM
10.465.13

VIPRE Antivirus
Trojan.Win32.Generic
38354

Zillya! Antivirus
Adware.Yotoon.Win64.14
2.0.0.2196

File size:
47.7 KB (48,824 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\{6cb9884f-9bf7-4457-8c28-23c7ccc9fa12}w64.sys

Digital Signature
Signed by:
Whilokii

Authority:
VeriSign, Inc.

Valid from:
9/19/2013 2:00:00 AM

Valid to:
9/20/2015 1:59:59 AM

Subject:
CN=Whilokii, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Whilokii, 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:
5D49818D94FEA0AEA7D9B885C9BACBD7

File PE Metadata
Compilation timestamp:
12/11/2014 9:29:59 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:la7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3XTw2:wFID6EGnLA8AFJTNEVmDU2

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:
{6cb9884f-9bf7-4457-8c28-23c7ccc9fa12}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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