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{1a147621-8c9a-4d6b-a557-6513a40d3207}gw64.sys

outobox

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {1a147621-8c9a-4d6b-a557-6513a40d3207}gw64.sys by outobox has been detected as adware by 24 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{1a147621-8c9a-4d6b-a557-6513a40d3207}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 outobox)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
9b6b272d030abe8aac777b63ba45f3c9

SHA-1:
d5047b63bb990db2a0faf3b3c41bb684fb5a92fa

SHA-256:
f33cac1a8f5ed447961e480fcc3f502084e2610fbc7edee81d6012d91031ae64

Scanner detections:
24 / 68

Status:
Adware

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

Analysis date:
4/19/2024 11:04:11 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.BA
366

Agnitum Outpost
Trojan.BPlug
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2015.05.03

avast!
Win32:BrowseFox-FN [PUP]
2014.9-160203

AVG
MalSign.Outobox
2017.0.2844

Bitdefender
Adware.SwiftBrowse.BA
1.0.20.170

Bkav FE
W64.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Swiftbrowse-75
0.98/20406

Dr.Web
Trojan.BPlug.123
9.0.1.034

Emsisoft Anti-Malware
Adware.SwiftBrowse.BA
8.16.02.03.09

F-Prot
W64/A-e967bae2
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.BA
11.2016-03-02_4

G Data
Adware.SwiftBrowse.BA
16.2.25

IKARUS anti.virus
AdWare.SpadeCast
t3scan.1.6.1.0

McAfee
Artemis!2EFBEE200F8A
5600.6500

MicroWorld eScan
Adware.SwiftBrowse.BA
17.0.0.102

Norman
Adware.SwiftBrowse.BA
11.20160203

nProtect
Trojan-Clicker/W32.SwiftBrowse.61112
15.04.30.01

Reason Heuristics
PUP.Yontoo.outobox (M)
16.2.3.21

Sophos
OutoBox
4.98

SUPERAntiSpyware
Adware.NetFilter/Variant
9345

Trend Micro House Call
TROJ_GEN.F47V0523
7.2.34

VIPRE Antivirus
Threat.4150696
29708

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.2164

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\{1a147621-8c9a-4d6b-a557-6513a40d3207}gw64.sys

Digital Signature
Signed by:
outobox

Authority:
VeriSign, Inc.

Valid from:
10/7/2013 5:30:00 AM

Valid to:
10/8/2014 5:29:59 AM

Subject:
CN=outobox, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=outobox, 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:
603472DEF1C8B65B2E93E06C16768DB7

File PE Metadata
Compilation timestamp:
9/13/2014 5:03:02 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:9gLmaZF8aSQ7DwZmEhzg8ClFHeDrTdRfsQCa5075YLwidHA4o:O5ZEQI8E7ClquaC759EDo

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:
6.3754

Code size:
30.5 KB (31,232 bytes)

Driver
Display name:
{1a147621-8c9a-4d6b-a557-6513a40d3207}Gw64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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