home

{9acd1534-e8f8-40cb-b5ac-4996fe01175b}gw64.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}gw64.sys by Scan Tack has been detected as adware by 27 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{9acd1534-e8f8-40cb-b5ac-4996fe01175b}Gw64”. 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:
65690e3b37c54eefd45399793a481380

SHA-1:
c75668039716ca238e8e6eb18b101005e1ce28bd

SHA-256:
8bfc5c2285b9e979e31ebaa9535b5d77940330855de48d9d5644ed39293b7478

Scanner detections:
27 / 68

Status:
Adware

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

Analysis date:
4/26/2024 4:28:10 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
359

Agnitum Outpost
Trojan.BPlug
7.1.1

avast!
Win32:BrowseFox-J [PUP]
2014.9-160211

AVG
Generic
2017.0.2837

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.16211

Bitdefender
Adware.SwiftBrowse.CH
1.0.20.210

Bkav FE
W64.HfsAdware
1.3.0.6379

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

Dr.Web
Trojan.BPlug.123
9.0.1.042

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
8.16.02.11.06

ESET NOD32
Win64/BrowseFox (variant)
10.10542

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

F-Secure
Adware.SwiftBrowse.CH
11.2016-11-02_5

G Data
Adware.SwiftBrowse.CH
16.2.25

IKARUS anti.virus
AdWare.SpadeCast
t3scan.1.6.1.0

K7 AntiVirus
Adware
13.202.15641

McAfee
Artemis!72C69E7BEF97
5600.6493

MicroWorld eScan
Adware.SwiftBrowse.CH
17.0.0.126

Norman
Adware.SwiftBrowse.CH
11.20160211

nProtect
Adware.SwiftBrowse.CH
15.04.17.01

Reason Heuristics
PUP.Yontoo.ScanTack (M)
16.2.11.6

Sophos
BrowseSmart
4.98

SUPERAntiSpyware
Adware.BrowseFox/Variant
9330

Trend Micro House Call
Suspicious_GEN.F47V0613
7.2.42

Trend Micro
HS_BROWSEFOX.SM
10.465.11

VIPRE Antivirus
Trojan.Win32.Generic
30472

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.1899

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\{9acd1534-e8f8-40cb-b5ac-4996fe01175b}gw64.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:
9/22/2014 4:01:54 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:l+7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3mKU:wFID6EGnLA8AFJTNEVmDmx

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:
{9acd1534-e8f8-40cb-b5ac-4996fe01175b}Gw64

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.