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{39127f03-bf69-4acb-a0b8-4e4a4b46b352}gw.sys

PathMaxx

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {39127f03-bf69-4acb-a0b8-4e4a4b46b352}gw.sys by PathMaxx has been detected as adware by 30 anti-malware scanners. It runs as a Windows kernel mode device driver named “{39127f03-bf69-4acb-a0b8-4e4a4b46b352}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 PathMaxx)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
d2f3da705b75510593f618ac6ae2804c

SHA-1:
6b0e6e3dbaea37cff6ca82d1fa7378ffdd9f7932

SHA-256:
4b37f784d1122d5c98f2d72201cc77cacdaa0edd1bdf62457aabafe8b9c0ec07

Scanner detections:
30 / 68

Status:
Adware

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

Analysis date:
4/26/2024 10:29:30 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.V
6764508

Agnitum Outpost
PUA.BrowseFox
7.1.1

Avira AntiVirus
Adware/BrowseFox.A.1227
7.11.179.100

avast!
Win32:BrowseFox-CH [PUP]
2014.9-150612

AVG
Generic
2016.0.3179

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.1536

Bitdefender
Adware.BrowseFox.V
1.0.20.325

Bkav FE
W32.HfsAdware
1.3.0.6379

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

Comodo Security
ApplicUnwnt
19827

Dr.Web
hacktool program Tool.NetFilter.313
9.0.1.065

Emsisoft Anti-Malware
Adware.BrowseFox.V
9.0.0.4799

ESET NOD32
Win64/BrowseFox (variant)
9.10580

Fortinet FortiGate
Riskware/Komodia
3/6/2015

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

F-Secure
Adware.BrowseFox.V
5.13.68

G Data
Adware.BrowseFox
15.3.25

herdProtect (fuzzy)
variant of {3578bab3-f189-4578-b860-1ee0580e735d}w.sys (Adware)
2015.6.12.19

K7 AntiVirus
Unwanted-Program
13.200.15179

McAfee
Trojan.Artemis!D2F3DA705B75
16.8.708.2

MicroWorld eScan
Adware.BrowseFox.V
16.0.0.195

NANO AntiVirus
Riskware.Win32.NetFilter.dgkdox
0.28.2.62671

Norman
Adware.BrowseFox.V
03.12.2014 13:20:04

nProtect
Adware.BrowseFox.V
15.03.06.01

Qihoo 360 Security
Win32/Virus.Adware.618
1.0.0.1015

Reason Heuristics
PUP.Yontoo
15.3.6.5

Sophos
Generic PUA GL
4.98

Vba32 AntiVirus
AdWare.Zaitu
3.12.26.3

VIPRE Antivirus
Threat.5061968
33706

Zillya! Antivirus
Backdoor.CPEX.Win32.29350
2.0.0.1958

File size:
42.1 KB (43,144 bytes)

Product version:
1.4.4.6

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win32 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{39127f03-bf69-4acb-a0b8-4e4a4b46b352}gw.sys

Digital Signature
Signed by:
PathMaxx

Authority:
VeriSign, Inc.

Valid from:
1/5/2015 1:00:00 AM

Valid to:
2/5/2016 12:59:59 AM

Subject:
CN=PathMaxx, O=PathMaxx, 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:
3CAC0125EB44E6C176167E51DA703CCA

File PE Metadata
Compilation timestamp:
2/27/2015 1:06:47 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:hN0457WBZwpHs63E+X7BIrTsCEziDH+JgrVJddAo:jhUcpH/0+LCf7EziDHhdd

Entry address:
0xA03E

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 20, 70, FF, FF, CC, CC, 94, A1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, CE, A4, 00, 00, E0, 80, 00, 00, B4, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 24, A5, 00, 00, 00, 80, 00, 00, EC, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, A4, A9, 00, 00, 38, 80, 00, 00, C4, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 9C, AA, 00, 00, 10, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, FC, A4, 00, 00, 10, A5, 00, 00, E8, A4...
 
[+]

Code size:
28 KB (28,672 bytes)

Driver
Display name:
{39127f03-bf69-4acb-a0b8-4e4a4b46b352}Gw

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


Remove {39127f03-bf69-4acb-a0b8-4e4a4b46b352}gw.sys - Powered by Reason Core Security
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