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{22199461-0421-4e0a-af67-cd5f9b3ce6ef}gw.sys

Moss Net

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {22199461-0421-4e0a-af67-cd5f9b3ce6ef}gw.sys by Moss Net has been detected as adware by 20 anti-malware scanners. It runs as a Windows kernel mode device driver named “{22199461-0421-4e0a-af67-cd5f9b3ce6ef}Gw”. 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 Moss Net)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
8344797b09c1ad16f525b11b0e27c592

SHA-1:
9619b9afa05488e802973ac1a9e7431f17559e9f

SHA-256:
4c3dcf8bfb0751433522ba26bf56a49439069bc1fb7c704d866ddee6b6e8fce7

Scanner detections:
20 / 68

Status:
Adware

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

Analysis date:
4/25/2024 1:22:35 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.BrowseFox
7.1.1

AhnLab V3 Security
PUP/Win32.BrowseFox
2014.09.23

Avira AntiVirus
Adware/BrowseFox.A.1227
7.11.178.210

AVG
Generic
2015.0.3280

Baidu Antivirus
Adware.Win64.BrowseFox
4.0.3.141124

Clam AntiVirus
Win.Adware.Netfilter-134
0.98/21411

Comodo Security
Application.Win32.RiskWare.NetFilter.D
19593

Dr.Web
hacktool program Tool.NetFilter.1
9.0.1.05190

ESET NOD32
Win64/BrowseFox.G potentially unwanted application
7.0.302.0

F-Prot
W32/A-248e95ab
v6.4.7.1.166

IKARUS anti.virus
AdWare.BrowseFox
t3scan.1.7.8.0

K7 AntiVirus
Trojan
13.185.14120

McAfee
Artemis!089F29C379AD
5600.6936

NANO AntiVirus
Riskware.Win32.NetFilter.dgkdox
0.28.2.62671

Qihoo 360 Security
Win32/Virus.Adware.c12
1.0.0.1015

Reason Heuristics
PUP.MossNet.l
14.11.24.16

Trend Micro House Call
Suspicious_GEN.F47V0815
7.2.328

Vba32 AntiVirus
AdWare.Win64.Yotoon
3.12.26.3

VIPRE Antivirus
Threat.5061968
33706

Zillya! Antivirus
Backdoor.CPEX.Win32.29350
2.0.0.1956

File size:
38.2 KB (39,096 bytes)

Product version:
1.4.3.1

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win32 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{22199461-0421-4e0a-af67-cd5f9b3ce6ef}gw.sys

Digital Signature
Signed by:
Moss Net

Authority:
VeriSign, Inc.

Valid from:
1/22/2014 12:00:00 AM

Valid to:
1/22/2015 11:59:59 PM

Subject:
CN=Moss Net, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Moss Net, 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:
4879C8045F587B91FC188D2BC822C526

File PE Metadata
Compilation timestamp:
9/13/2014 12:32:59 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:Ff5OQ5p9MZq9Vkh5z8tZfJm/6D1GqA+5+TFpEwXS9T0KB:Ff5H5pH+x8t1c/+Gd+5/4+TD

Entry address:
0x903E

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 20, 80, FF, FF, CC, CC, 74, 91, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, AE, 94, 00, 00, C0, 70, 00, 00, B4, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 04, 95, 00, 00, 00, 70, 00, 00, EC, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, A0, 98, 00, 00, 38, 70, 00, 00, C4, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 98, 99, 00, 00, 10, 70, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, DC, 94, 00, 00, F0, 94, 00, 00, C8, 94...
 
[+]

Code size:
24.5 KB (25,088 bytes)

Driver
Display name:
{22199461-0421-4e0a-af67-cd5f9b3ce6ef}Gw

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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