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boxrock.expextdll.dll

Box Rock

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module boxrock.expextdll.dll by Box Rock has been detected as adware by 25 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.
Publisher:
Box Rock  (signed and verified)

Version:
1.0.5508.41250

MD5:
8967bef209f4ecc8389da69181faa109

SHA-1:
c3278d4d040cf576c81b090475f1f17fecc4ed17

SHA-256:
9cb31b5d79f640786d8d2ca7c603742651af3bf1dc66b39066d095b96cb16252

Scanner detections:
25 / 68

Status:
Adware

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

Analysis date:
4/24/2024 7:07:22 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.AT
6496598

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.BrowseFox
2015.02.01

Avira AntiVirus
ADWARE/BrowseFox.Gen4
7.11.206.62

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

AVG
Generic
2016.0.3213

Baidu Antivirus
Adware.Win64.BrowseFox
4.0.3.15131

Bitdefender
Adware.BrowseFox.AT
1.0.20.155

Clam AntiVirus
Win.Adware.Browsefox-144
0.98/20008

Dr.Web
Trojan.Yontoo.494
9.0.1.05190

Emsisoft Anti-Malware
Adware.BrowseFox.AT
9.0.0.4799

ESET NOD32
Win64/BrowseFox.CJ potentially unwanted application
7.0.302.0

F-Prot
W32/S-c9609699
v6.4.7.1.166

F-Secure
Adware.BrowseFox.AT
5.13.68

G Data
Adware.BrowseFox.AT
15.1.25

IKARUS anti.virus
AdWare.SwiftBrowse
t3scan.1.8.6.0

K7 AntiVirus
Trojan
13.193.14818

McAfee
BrowseFox-FUZ
5600.6869

MicroWorld eScan
Adware.BrowseFox.AT
16.0.0.93

NANO AntiVirus
Riskware.Win32.SwiftBrowse.dlaplq
0.30.0.65070

nProtect
Adware.BrowseFox.AT
15.01.30.01

Reason Heuristics
Adware.Yontoo.BoxRock
15.1.31.7

SUPERAntiSpyware
Adware.BrowseFox/Variant
10082

Vba32 AntiVirus
AdWare.Win64.Kranet
3.12.26.3

Zillya! Antivirus
Adware.SwiftBrowse.Win32.964
2.0.0.2049

File size:
80.2 KB (82,152 bytes)

Product version:
1.0.5508.41250

File type:
Dynamic link library (Win32 DLL)

Language:
English (United States)

Common path:
C:\Program Files\box rock\bin\boxrock.expextdll.dll

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:
1/31/2015 6:55:17 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
768:kULKvP9V9OZY8scRbs3KmqoGaRaebQxk92GkrhgZEnyteDH016D1XApn2YEDZJ2f:dLKtnOmes6mRj91k9znae6aQwFp2

Entry address:
0x3820

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 1E, 2F, 00, 00, FF, 75, 08, 8B, 4D, 10, 8B, 55, 0C, E8, EC, FE, FF, FF, 59, 5D, C2, 0C, 00, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, 70, D2, 00, 10, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, 80, D0, 00, 10, C9, C2, 08, 00, B8, 93, 72, 00, 10, A3, D8, 19, 01, 10, C7, 05, DC, 19, 01, 10, 89...
 
[+]

Code size:
47.5 KB (48,640 bytes)

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