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:
1.4.3.1 built by: WinDDK

MD5:
0c400833358e9761608d28b02b9084ea

SHA-1:
8d677ef7927249df10c3eade8f95f4ac426e1acb

SHA-256:
740187b28efc1b63ef6844e2961f6f15ef6417e1b379417c148290dda0623e2f

Scanner detections:
27 / 68

Status:
Adware

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

Analysis date:
4/26/2024 4:25:36 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
445

Agnitum Outpost
Trojan.BPlug
7.1.1

avast!
Win32:BrowseFox-J [PUP]
2014.9-151117

AVG
Generic
2016.0.2923

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.151117

Bitdefender
Adware.SwiftBrowse.CH
1.0.20.1605

Bkav FE
W64.HfsAdware
1.3.0.6379

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

Dr.Web
Trojan.BPlug.123
9.0.1.0321

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
8.15.11.17.05

ESET NOD32
Win64/BrowseFox (variant)
9.10542

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

F-Secure
Adware.SwiftBrowse.CH
11.2015-17-11_3

G Data
Adware.SwiftBrowse.CH
15.11.25

IKARUS anti.virus
AdWare.SpadeCast
t3scan.1.6.1.0

K7 AntiVirus
Adware
13.202.15641

McAfee
Artemis!72C69E7BEF97
5600.6579

MicroWorld eScan
Adware.SwiftBrowse.CH
16.0.0.963

Norman
Adware.SwiftBrowse.CH
11.20151117

nProtect
Adware.SwiftBrowse.CH
15.04.17.01

Reason Heuristics
PUP.Yontoo.ScanTack (M)
15.11.17.5

Sophos
BrowseSmart
4.98

SUPERAntiSpyware
Adware.BrowseFox/Variant
9503

Trend Micro House Call
Suspicious_GEN.F47V0613
7.2.321

Trend Micro
HS_BROWSEFOX.SM
10.465.17

VIPRE Antivirus
Trojan.Win32.Generic
30472

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.1899

File size:
43.7 KB (44,728 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}gw64.sys

Digital Signature
Signed by:
Scan Tack

Authority:
VeriSign, Inc.

Valid from:
1/22/2014 11:00:00 AM

Valid to:
1/23/2015 10:59:59 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:
9/13/2014 9:33:02 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:dgLmaZF8aSQ7DwZmEhzg8ClFHeDrTdRfsQCa5075YLwidHAQ:u5ZEQI8E7ClquaC759E3

Entry address:
0xB064

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, C6, 60, FF, FF, CC, CC, 38, B2, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 1C, B6, 00, 00, 60, 81, 00, 00, 28, B1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, BE, B9, 00, 00, 50, 80, 00, 00, D8, B0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, B6, BA, 00, 00, 00, 80, 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, BA, 00, 00, 00, 00, 00, 00, 86, BA, 00, 00...
 
[+]

Entropy:
6.3740

Code size:
30.5 KB (31,232 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.