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{9af01943-a5fc-49e4-b5b9-304e8b296bb1}w64.sys

Scan Tack

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {9af01943-a5fc-49e4-b5b9-304e8b296bb1}w64.sys by Scan Tack has been detected as adware by 23 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{9af01943-a5fc-49e4-b5b9-304e8b296bb1}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 Scan Tack)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
067a6cfdfbbf39cd4fd9792d5810826f

SHA-1:
df7ef3375baba2e76b72edfd8d9e6d88fd044a75

SHA-256:
02d03c7f0aade4b852a9888a1e1439f3e79f31d4647529162844448b1735e6d0

Scanner detections:
23 / 68

Status:
Adware

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

Analysis date:
4/24/2024 11:40:58 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
5596626

Agnitum Outpost
Riskware.Agent
7.1.1

Avira AntiVirus
ADWARE/BrowseFox.apb
8.3.1.6

avast!
Win32:BrowseFox-J [PUP]
150530-1

AVG
Adware AdPlugin.DAI
2014.0.4311

Bitdefender
Adware.SwiftBrowse.CH
1.0.20.755

Bkav FE
W64.HfsAdware
1.3.0.6379

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

Dr.Web
Trojan.Yontoo.1767
9.0.1.05190

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
10.0.0.5366

ESET NOD32
Win64/NetFilter.A potentially unsafe application
7.0.302.0

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

F-Secure
Adware.SwiftBrowse.CH
5.14.151

G Data
Adware.SwiftBrowse.CH
15.5.25

K7 AntiVirus
Adware
13.204.16089

MicroWorld eScan
Adware.SwiftBrowse.CH
16.0.0.453

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

nProtect
Adware.SwiftBrowse.CH
15.05.29.01

Qihoo 360 Security
Win32/Virus.Adware.06a
1.0.0.1015

Reason Heuristics
PUP.Yontoo.ScanTack
15.5.31.9

SUPERAntiSpyware
Adware.BrowseFox/Variant
9842

VIPRE Antivirus
Threat.4150696
40552

Zillya! Antivirus
Adware.Yotoon.Win64.14
2.0.0.2199

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\{9af01943-a5fc-49e4-b5b9-304e8b296bb1}w64.sys

Digital Signature
Signed by:
Scan Tack

Authority:
VeriSign, Inc.

Valid from:
1/22/2014 1:00:00 AM

Valid to:
1/23/2015 12:59:59 AM

Subject:
CN=Scan Tack, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Scan Tack, 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:
44D91A3142283CE62B23F23C84838B0D

File PE Metadata
Compilation timestamp:
12/3/2014 5:25:18 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:lW7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3BN:AFID6EGnLA8AFJTNEVmDz

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:
{9af01943-a5fc-49e4-b5b9-304e8b296bb1}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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