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{b44e7e49-091d-4730-a9d0-1f769377a802}gw64.sys

Search Vortex

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {b44e7e49-091d-4730-a9d0-1f769377a802}gw64.sys by Search Vortex has been detected as adware by 29 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{b44e7e49-091d-4730-a9d0-1f769377a802}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 Search Vortex)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
1f9395c52e4995764be3ac9f94210db2

SHA-1:
6b8a1da859a1e4ac8c9834f915d51cae048a8671

SHA-256:
77a74801a3831a5bc1e9a062d926775e649add5451b33d48dc31e054cb3badc3

Scanner detections:
29 / 68

Status:
Adware

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

Analysis date:
4/18/2024 4:02:07 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
435

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2014.09.19

avast!
Win64:Malware-gen
2014.9-151126

AVG
Generic
2016.0.2913

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.151126

Bitdefender
Adware.SwiftBrowse.CH
1.0.20.1650

Bkav FE
W64.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Swiftbrowse-497
0.98/21411

Comodo Security
UnclassifiedMalware
18740

Dr.Web
Tool.NetFilter.313
9.0.1.0330

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
8.15.11.26.08

ESET NOD32
Win64/BrowseFox.BF (variant)
9.10581

F-Prot
W64/A-e967bae2
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.CH
11.2015-26-11_5

G Data
Adware.SwiftBrowse.CH
15.11.24

IKARUS anti.virus
AdWare.SpadeCast
t3scan.1.6.1.0

Malwarebytes
PUP.Optional.NetFilter
v2015.11.26.08

McAfee
Artemis!5D523940819C
5600.6569

MicroWorld eScan
Adware.SwiftBrowse.CH
16.0.0.990

Norman
Adware.SwiftBrowse.BV
11.20151126

nProtect
Adware.SwiftBrowse.CH
14.10.17.01

Panda Antivirus
Adware/BrowserFox
15.11.26.08

Qihoo 360 Security
Win32/Trojan.RiskWare.a25
1.0.0.1015

Reason Heuristics
PUP.Yontoo.SearchVortex (M)
15.11.26.20

Sophos
Browse Fox
4.98

Trend Micro House Call
TROJ_GEN.F47V0523
7.2.330

VIPRE Antivirus
Trojan.Win32.Generic
34020

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.1899

File size:
47.7 KB (48,832 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\{b44e7e49-091d-4730-a9d0-1f769377a802}gw64.sys

Digital Signature
Signed by:
Search Vortex

Authority:
VeriSign, Inc.

Valid from:
1/11/2014 10:00:00 PM

Valid to:
1/12/2015 9:59:59 PM

Subject:
CN=Search Vortex, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Search Vortex, 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:
14D448982B01DF7BA0C15573F03A229C

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:lF7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3mSH:fFID6EGnLA8AFJTNEVmDm+

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:
{b44e7e49-091d-4730-a9d0-1f769377a802}Gw64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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