utilboxrock.exe

Box Rock

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application utilboxrock.exe by Box Rock has been detected as adware by 7 anti-malware scanners. It runs as a separate (within the context of its own process) windows Service named “Update 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.
Publisher:
Box Rock  (signed and verified)

Version:
1.0.5468.40273

MD5:
d5e264379243c56c946beb554c704758

SHA-1:
fa048010634c52b8ae9a6f9dad064a76efa0de55

SHA-256:
385d3d58ead685598cbbc5828f2fbea83704d33aa10aa52330c516d286c812ce

Scanner detections:
7 / 68

Status:
Adware

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

Analysis date:
4/26/2024 10:20:51 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/BrowseFox.Gen7
7.11.197.30

avast!
Win32:BrowseFox-EZ [PUP]
141214-1

AVG
Generic
2015.0.3253

ESET NOD32
MSIL/BrowseFox.H potentially unwanted application
7.0.302.0

K7 AntiVirus
Adware
13.188.14395

Malwarebytes
PUP.Optional.BoxRock.A
v2014.12.22.04

Reason Heuristics
Adware.Yontoo.Service.L
14.12.22.4

File size:
512.2 KB (524,520 bytes)

Product version:
1.0.5468.40273

Original file name:
BoxRock2014122206.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\Program Files\box rock\bin\utilboxrock.exe

Digital Signature
Signed by:

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:
12/22/2014 6:22:33 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
12288:Ul7DFKm4zEcTCaDdEJ7Hr6pd+YrlYWlLJW2:UlnUGMDjdEU

Entry address:
0x7FC12

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
5.9079

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
503.5 KB (515,584 bytes)

Service
Display name:
Update Box Rock

Type:
Win32OwnProcess


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