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boxrockbho.dll

Box Rock

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module boxrockbho.dll by Box Rock has been detected as adware by 24 anti-malware scanners. It is installed within the context of Internet Explore as a BHO (Browser Helper Object) under the name ‘Box Rock’. 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. The file has been seen being downloaded from install-cdn.boxrock.info.
Publisher:
Box Rock  (signed and verified)

Product:
Box Rock

Version:
1.0.0.3

MD5:
cb1d3559527923d5f7474c5b1d5cd825

SHA-1:
b74efd9bb4dc82a835ddb112a3e2f250fe7f8ae4

SHA-256:
e87ce4f115bf271f1f1bf32b39b9a14d4fc718e8c87b03f66ee8241088a2d0de

Scanner detections:
24 / 68

Status:
Adware

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

Analysis date:
11/23/2024 6:05:15 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.AT
674

Agnitum Outpost
Riskware.Agent
7.1.1

Avira AntiVirus
ADWARE/BrowseFox.Gen2
7.11.182.222

avast!
Win32:BrowseFox-EZ [PUP]
2014.9-150402

AVG
Adware BrowseFox.F
2014.0.4189

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141120

Bitdefender
Adware.BrowseFox.AT
1.0.20.460

Comodo Security
Application.Win32.BrowseFox.JM
19980

Dr.Web
Trojan.BPlug.144
9.0.1.05190

Emsisoft Anti-Malware
Adware.BrowseFox.AT
8.15.04.02.01

ESET NOD32
Win32/BrowseFox.O potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/BrowseFox
11/20/2014

F-Prot
W32/S-5aefa7b7
v6.4.7.1.166

F-Secure
Adware.BrowseFox.AT
11.2015-02-04_5

G Data
Adware.BrowseFox.AT
15.4.25

K7 AntiVirus
Trojan
13.193.14789

Malwarebytes
PUP.Optional.BoxRock.A
v2014.11.03.08

McAfee
BrowseFox-FRR
5600.6808

MicroWorld eScan
Adware.BrowseFox.AT
16.0.0.276

NANO AntiVirus
Trojan.Win32.BPlug.dfogbn
0.28.6.62995

nProtect
Adware.BrowseFox.AT
15.01.28.01

Qihoo 360 Security
HEUR/QVM30.1.Malware.Gen
1.0.0.1015

Reason Heuristics
Adware.Yontoo.BoxRock
15.4.2.1

Vba32 AntiVirus
AdWare.Kranet
3.12.26.3

File size:
244.2 KB (250,088 bytes)

Product version:
1.0.0.3

Copyright:
(c) Box Rock. All rights reserved.

Original file name:
Box RockIEClient.dll

File type:
Dynamic link library (Win32 DLL)

Language:
English (United States)

Common path:
C:\Program Files\box rock\boxrockbho.dll

Digital Signature
Signed by:
Box Rock

Authority:
VeriSign, Inc.

Valid from:
10/7/2014 2:00:00 AM

Valid to:
10/3/2015 1:59:59 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

Registration
CLSID:
{464deeb8-b74f-4117-b8ec-e42f4028f3d1}

COM registered:
Yes

File PE Metadata
Compilation timestamp:
11/2/2014 12:39:16 PM

OS version:
6.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:3RxouBsqPsiKQkpiUFjIlije9eAxjN+/IaIJ+x+Zfab:3ZBsqPuQSileGYIM4Zfab

Entry address:
0x12854

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 41, 8D, 00, 00, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, 07, 00, 00, 00, 83, C4, 0C, 5D, C2, 0C, 00, 6A, 0C, 68, 70, 30, 03, 10, E8, BD, 01, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, 04, 78, 03, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, FC, A4, 02, 10, 85, C9, 74, 0C, FF, 75, 10, 56, FF, 75, 08, FF, D1, 89, 45, E4, 85, C0, 0F, 84, B1, 00, 00, 00, FF, 75, 10, 56, FF, 75, 08, E8, 11, FE, FF, FF, 89, 45, E4...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
159 KB (162,816 bytes)

Internet Explorer BHO
Display name:
Box Rock

CLSID:
{464deeb8-b74f-4117-b8ec-e42f4028f3d1}


The file boxrockbho.dll has been seen being distributed by the following URL.

http://install-cdn.boxrock.info/bed?bet=3

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