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{67561ace-c443-4c39-9e16-07f6354b97f2}gw.sys

Box Rock

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {67561ace-c443-4c39-9e16-07f6354b97f2}gw.sys by Box Rock has been detected as adware by 24 anti-malware scanners. It runs as a Windows kernel mode device driver named “{67561ace-c443-4c39-9e16-07f6354b97f2}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 Box Rock)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
2806561d92fb48b11617e5f02b3f9330

SHA-1:
4a5957730d0470a8b32e616c159e1db4a92e3aa2

SHA-256:
46f5831c8887d15391ce85b26fa4e5c5bba6fba6777d9c12c22a295459aa725f

Scanner detections:
24 / 68

Status:
Adware

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

Analysis date:
4/19/2024 9:21:32 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.V
6473648

Agnitum Outpost
PUA.BrowseFox
7.1.1

Avira AntiVirus
Adware/BrowseFox.A.1227
7.11.205.178

avast!
Win32:BrowseFox-EZ [PUP]
150101-1

AVG
Generic
2016.0.3215

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.15128

Bitdefender
Adware.BrowseFox.V
1.0.20.140

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

Comodo Security
TrojWare.Win32.AltBrowse.IZZV
20877

Dr.Web
hacktool program Tool.NetFilter.313
9.0.1.05190

Emsisoft Anti-Malware
Adware.BrowseFox.V
9.0.0.4799

F-Prot
W32/S-a7161e1c
v6.4.7.1.166

F-Secure
Adware.BrowseFox.V
5.13.68

G Data
Adware.BrowseFox
15.1.25

K7 AntiVirus
Unwanted-Program
13.193.14786

MicroWorld eScan
Adware.BrowseFox.V
16.0.0.84

NANO AntiVirus
Riskware.Win32.NetFilter.dgkdox
0.30.0.65070

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

nProtect
Adware.BrowseFox.V
15.01.28.01

Qihoo 360 Security
Win32/Virus.Adware.618
1.0.0.1015

Reason Heuristics
PUP.Yontoo
15.1.28.12

Vba32 AntiVirus
AdWare.Win64.Yotoon
3.12.26.3

VIPRE Antivirus
Threat.4150696
36694

Zillya! Antivirus
Backdoor.CPEX.Win32.29350
2.0.0.2048

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\{67561ace-c443-4c39-9e16-07f6354b97f2}gw.sys

Digital Signature
Signed by:
Box Rock

Authority:
VeriSign, Inc.

Valid from:
10/7/2014 1:00:00 AM

Valid to:
10/3/2015 12:59:59 AM

Subject:
CN=Box Rock, O=Box Rock, 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:
1125198B1C5DF8CC1185255178F1DAFC

File PE Metadata
Compilation timestamp:
1/28/2015 6:13:07 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:bN0457WBZwpHs63E+X7BIrTsCEziDH+JgrVJddM+:hhUcpH/0+LCf7EziDHhdz

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...
 
[+]

Entropy:
6.6152

Code size:
28 KB (28,672 bytes)

Driver
Display name:
{67561ace-c443-4c39-9e16-07f6354b97f2}Gw

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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