home

{9acd1534-e8f8-40cb-b5ac-4996fe01175b}w64.sys

Scan Tack

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {9acd1534-e8f8-40cb-b5ac-4996fe01175b}w64.sys by Scan Tack has been detected as adware by 29 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{9acd1534-e8f8-40cb-b5ac-4996fe01175b}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:
1.4.3.1 built by: WinDDK

MD5:
9933bc5c6d96b821db2542f26e68d4c4

SHA-1:
bd4a790709a56cd0f4b7a75ab8e07d87d3b7696c

SHA-256:
56524c35342003b13ef730cc212d6b751e95430d8c4f01365447522ebd76ed59

Scanner detections:
29 / 68

Status:
Adware

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

Analysis date:
4/23/2024 9:30:17 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.NetFilter.E
595

Agnitum Outpost
Trojan.BPlug
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2015.06.14

Avira AntiVirus
ADWARE/BrowseFox.apb
8.3.1.6

Arcabit
Adware.NetFilter.E
1.0.0.425

avast!
Win32:BrowseFox-J [PUP]
2014.9-150620

AVG
Generic
2016.0.3073

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.15620

Bitdefender
Adware.NetFilter.E
1.0.20.855

Bkav FE
W64.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Swiftbrowse-75
0.98/21511

Dr.Web
Trojan.Yontoo.1767
9.0.1.0171

Emsisoft Anti-Malware
Adware.NetFilter
8.15.06.20.02

ESET NOD32
Win64/NetFilter.A potentially unsafe (variant)
9.11780

F-Prot
W64/A-e967bae2
v6.4.7.1.166

F-Secure
Adware.NetFilter.E
11.2015-20-06_7

G Data
Adware.NetFilter
15.6.25

IKARUS anti.virus
AdWare.SpadeCast
t3scan.1.6.1.0

McAfee
Artemis!714DFE7CFF6A
5600.6729

MicroWorld eScan
Adware.NetFilter.E
16.0.0.513

Norman
Adware.NetFilter.E
11.20150620

nProtect
Adware.NetFilter.E
15.06.12.01

Reason Heuristics
PUP.Yontoo.ScanTack (M)
15.6.20.2

Sophos
BrowseSmart
4.98

SUPERAntiSpyware
Adware.NetFilter/Variant
9803

Trend Micro House Call
TROJ_GEN.R0C1C0OLG14
7.2.171

Trend Micro
TROJ_GEN.R0C1C0OLG14
10.465.20

VIPRE Antivirus
Trojan.Win32.Generic
41088

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.2221

File size:
60.2 KB (61,624 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\{9acd1534-e8f8-40cb-b5ac-4996fe01175b}w64.sys

Digital Signature
Signed by:
Scan Tack

Authority:
VeriSign, Inc.

Valid from:
1/21/2014 10:00:00 PM

Valid to:
1/22/2015 9:59:59 PM

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:
7/30/2014 4:31:58 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:Rot2dxF9O8ZF33iqiIy938bWp9XcfBfyQ7owidI1T:R9JRicy938ip9efV1j5

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:
{9acd1534-e8f8-40cb-b5ac-4996fe01175b}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.