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{2c1d8860-89c9-450e-a117-95f496764507}w.sys

Box Rock

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {2c1d8860-89c9-450e-a117-95f496764507}w.sys by Box Rock has been detected as adware by 24 anti-malware scanners. It runs as a Windows kernel mode device driver named “{2c1d8860-89c9-450e-a117-95f496764507}w”. 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:
50699c0cbdfd82c733ddcc2a195ece36

SHA-1:
e5e8e1d5d57855614fd63bc866fcc4b8251d96c8

SHA-256:
b956567144ca18ce30b6d67d8ae3d44b821c984e89b10b6cd0c185c74d1fbae5

Scanner detections:
24 / 68

Status:
Adware

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

Analysis date:
4/24/2024 9:39:00 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.V
6498366

Agnitum Outpost
PUA.BrowseFox
7.1.1

Avira AntiVirus
Adware/BrowseFox.A.1227
7.11.206.64

avast!
Win32:BrowseFox-EZ [PUP]
150129-1

AVG
Generic
2016.0.3213

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.15131

Bitdefender
Adware.BrowseFox.V
1.0.20.155

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

Comodo Security
TrojWare.Win32.AltBrowse.IZZV
20910

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
13.193.14818

MicroWorld eScan
Adware.BrowseFox.V
16.0.0.93

NANO AntiVirus
Riskware.Win32.NetFilter.dgkdox
0.30.0.65070

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

nProtect
Adware.BrowseFox.V
15.01.30.01

Qihoo 360 Security
Win32/Virus.Adware.618
1.0.0.1015

Reason Heuristics
PUP.Yontoo.BoxRock
15.1.31.7

Vba32 AntiVirus
AdWare.Win64.Yotoon
3.12.26.3

VIPRE Antivirus
Threat.4150696
36694

Zillya! Antivirus
Backdoor.CPEX.Win32.29350
2.0.0.2049

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\{2c1d8860-89c9-450e-a117-95f496764507}w.sys

Digital Signature
Signed by:
Box Rock

Authority:
VeriSign, Inc.

Valid from:
10/7/2014 12:00:00 AM

Valid to:
10/2/2015 11:59:59 PM

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:
1/20/2015 3:38:02 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:YN0457WBZwpHs63E+X7BIrTsCEziDH+JgrVJdd9/Q:AhUcpH/0+LCf7EziDHhdc

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:
{2c1d8860-89c9-450e-a117-95f496764507}w

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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