{826c8fa1-2486-45d0-8319-b474bdb2d9ad}w64.sys

Digi Docket

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {826c8fa1-2486-45d0-8319-b474bdb2d9ad}w64.sys by Digi Docket has been detected as adware by 23 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{826c8fa1-2486-45d0-8319-b474bdb2d9ad}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 Digi Docket)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
04526e5cf36eb72dc7a375feefed5cb8

SHA-1:
0c5185896e4559914631cc0826aca9a6bbb4a0cd

SHA-256:
527e88a1343da269e6db9c57fc9d4b434b40a231330d96e4b8383b4623da47fa

Scanner detections:
23 / 68

Status:
Adware

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

Analysis date:
4/16/2024 6:54:23 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
6294574

Agnitum Outpost
Riskware.Agent
7.1.1

avast!
MSIL:BrowseFox-BF [PUP]
150319-1

AVG
Generic
2016.0.3154

Bitdefender
Adware.SwiftBrowse.CH
1.0.20.445

Bkav FE
W64.HfsAdware
1.3.0.6379

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

Dr.Web
Tool.NetFilter.313
9.0.1.089

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
9.0.0.4799

ESET NOD32
Win64/BrowseFox (variant)
9.10542

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

F-Secure
Adware.SwiftBrowse.CH
5.13.68

G Data
Adware.SwiftBrowse.CH
15.3.25

K7 AntiVirus
Adware
13.202.15430

MicroWorld eScan
Adware.SwiftBrowse.CH
16.0.0.267

Norman
Adware.SwiftBrowse.CH
03.12.2014 13:20:04

nProtect
Adware.SwiftBrowse.CH
15.03.30.01

Reason Heuristics
PUP.Yontoo
15.3.30.22

Trend Micro House Call
HS_BROWSEFOX.SM
7.2.89

Trend Micro
HS_BROWSEFOX.SM
10.465.30

VIPRE Antivirus
Threat.4150696
38552

Zillya! Antivirus
Adware.Yotoon.Win64.14
2.0.0.2122

File size:
47.6 KB (48,784 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\{826c8fa1-2486-45d0-8319-b474bdb2d9ad}w64.sys

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
12/17/2014 8:00:00 AM

Valid to:
12/18/2015 7:59:59 AM

Subject:
CN=Digi Docket, O=Digi Docket, 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:
7B3162550DBA3A8F351A50ABE845DC1C

File PE Metadata
Compilation timestamp:
3/23/2015 8:57:07 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:lo7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3lnt:WFID6EGnLA8AFJTNEVmD9t

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:
6.3917

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{826c8fa1-2486-45d0-8319-b474bdb2d9ad}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI