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boxrock.dll

Box Rock

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module boxrock.dll by Box Rock has been detected as adware by 30 anti-malware scanners. 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. It is also typically executed from an Internet Explorer cache folder.
Publisher:
Box Rock  (signed and verified)

Product:
Box Rock

Version:
1.0.0.3

MD5:
0649214c8d5f069ca5749b4e2187fedb

SHA-1:
f8e0b88d9267ad96edd29f4853bc8576886d07f8

SHA-256:
9c28223d2222f6a9ac65d2d33252b70d6d6a002afb1848224f84539f82096090

Scanner detections:
30 / 68

Status:
Adware

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

Analysis date:
4/20/2024 1:03:29 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Adware.BHO.Agent.4
804

Agnitum Outpost
PUA.Agent
7.1.1

Avira AntiVirus
ADWARE/BrowseFox.Gen2
7.11.182.186

AVG
Adware BrowseFox.F
2014.0.4189

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141122

Bitdefender
Gen:Variant.Adware.BHO.Agent.4
1.0.20.1630

Clam AntiVirus
Win.Adware.Agent-7675
0.98/21411

Comodo Security
Application.Win32.BrowseFox.JM
19960

Dr.Web
Trojan.BPlug.144
9.0.1.05190

Emsisoft Anti-Malware
Gen:Variant.Adware.BHO.Agent
8.14.11.22.04

ESET NOD32
Win32/BrowseFox.O potentially unwanted application
7.0.302.0

Fortinet FortiGate
Adware/Agent
11/22/2014

F-Prot
W32/BadBHO.AW.gen
v6.4.7.1.166

F-Secure
Gen:Variant.Adware.BHO.Agent.4
11.2014-22-11_7

G Data
Gen:Variant.Adware.BHO.Agent
14.11.24

K7 AntiVirus
Trojan
13.185.14098

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.2907

Malwarebytes
PUP.Optional.BoxRock.A
v2014.11.22.04

McAfee
Artemis!CD96DF17AA75
5600.6938

MicroWorld eScan
Gen:Variant.Adware.BHO.Agent.4
15.0.0.978

NANO AntiVirus
Trojan.Win32.BPlug.dfogbn
0.28.6.62995

nProtect
Trojan-Clicker/W32.Agent.249624.B
14.08.07.01

Panda Antivirus
Trj/CI.A
14.11.22.04

Qihoo 360 Security
HEUR/Malware.QVM30.Gen
1.0.0.1015

Reason Heuristics
Threat.Yontoo.BoxRock
15.4.2.1

Sophos
BrowseSmart
4.98

SUPERAntiSpyware
Adware.BrowseFox/Variant
10222

Trend Micro House Call
Suspicious_GEN.F47V0807
7.2.326

VIPRE Antivirus
Yontoo
32026

Zillya! Antivirus
Adware.Agent.Win32.9402
2.0.0.1850

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:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\boxrock.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

File PE Metadata
Compilation timestamp:
11/4/2014 4:48:49 PM

OS version:
6.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:cRxouBsqPsiKQkpiUFjIlije9eAxjN+/IaImf+x+Yfaur:cZBsqPuQSileGYI/4Yfay

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)

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