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{f0087990-17d0-4537-ad91-6a7a9c5c1b37}gw.sys

Hold Page

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {f0087990-17d0-4537-ad91-6a7a9c5c1b37}gw.sys by Hold Page has been detected as adware by 20 anti-malware scanners. It runs as a Windows kernel mode device driver named “{f0087990-17d0-4537-ad91-6a7a9c5c1b37}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 Hold Page)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
c007a7c7c1fdd6800339dc8bbecf3388

SHA-1:
0c4d979ae556fdaad37b3168c60e4d57259cc630

SHA-256:
25ca956531036a128bd21817d4475537f9165c5672ed242f269c832b840a74a5

Scanner detections:
20 / 68

Status:
Adware

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

Analysis date:
4/24/2024 7:50:49 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.V
799

Agnitum Outpost
PUA.BrowseFox
7.1.1

Avira AntiVirus
Adware/BrowseFox.A.1227
7.11.189.40

AVG
Generic
2015.0.3277

Bitdefender
Adware.BrowseFox.V
1.0.20.1660

Clam AntiVirus
Win.Adware.Netfilter-134
0.98/21511

Comodo Security
TrojWare.Win32.AltBrowse.IZZV
20208

Dr.Web
Tool.NetFilter.313
9.0.1.0332

Emsisoft Anti-Malware
Adware.BrowseFox.V
8.14.11.28.05

F-Prot
W32/A-76f53fd6
v6.4.7.1.166

F-Secure
Adware.BrowseFox.V
11.2014-28-11_6

G Data
Adware.BrowseFox
14.11.24

MicroWorld eScan
Adware.BrowseFox.V
15.0.0.996

NANO AntiVirus
Riskware.Win32.NetFilter.dgkdox
0.28.6.63726

nProtect
Adware.BrowseFox.V
14.11.27.01

Qihoo 360 Security
Win32/Virus.Adware.618
1.0.0.1015

Reason Heuristics
PUP.HoldPage.l
14.12.1.0

Vba32 AntiVirus
AdWare.Win64.Yotoon
3.12.26.3

VIPRE Antivirus
Trojan.Win32.Generic
35182

Zillya! Antivirus
Backdoor.CPEX.Win32.29350
2.0.0.1994

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\{f0087990-17d0-4537-ad91-6a7a9c5c1b37}gw.sys

Digital Signature
Signed by:
Hold Page

Authority:
VeriSign, Inc.

Valid from:
9/2/2014 3:00:00 AM

Valid to:
9/3/2015 2:59:59 AM

Subject:
CN=Hold Page, O=Hold Page, 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:
5097461A9471FDD2B020491B464CDCD9

File PE Metadata
Compilation timestamp:
11/27/2014 9:47:23 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:6N0457WBZwpHs63E+X7BIrTsCEziDH+JgrVJddbf:uhUcpH/0+LCf7EziDHhd5

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:
{f0087990-17d0-4537-ad91-6a7a9c5c1b37}Gw

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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