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boxrockuninstaller.exe

Box Rock

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application boxrockuninstaller.exe by Box Rock has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The file has been seen being downloaded from install.boxrock.info.
Publisher:
Box Rock  (signed and verified)

Version:
1.0.0.0

MD5:
77d3ce76ae000ad9fd7c00c1a1067164

SHA-1:
d8ef14c92b10d972665efbabe1cb04f71f351d6f

SHA-256:
7f912b93bb33ff56dbb62c892917f0d721a19efd73484b2ddb08c1a1eee26514

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
12/26/2024 4:44:44 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.BoxRock (M)
16.3.8.10

File size:
565.7 KB (579,304 bytes)

Product version:
1.0.0.0

Original file name:
Box Rock Uninstaller.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\boxrockuninstaller.exe

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:
5/17/2015 6:48:32 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
12288:5PzDmjww55mBL1QZv3+kNIZB8wPpLhTve2i:B8CLuc/PpLhzzi

Entry address:
0x8B7E8

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, 04, 00, 03, 00, 00, 00, 30, 00, 00, 80, 0E, 00, 00, 00, 10, 13, 00, 80, 10, 00, 00, 00, 8A, 13, 00, 80, 18, 00, 00, 00, 42, 16, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 04, 00, 02, 00, 00, 00, 60, 00, 00, 80, 03, 00, 00, 00, AC, 01, 00, 80, 04, 00, 00, 00, 38, 07, 00, 80, 05, 00, 00, 00, 44, 0A, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
6.2190

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

Code size:
550 KB (563,200 bytes)

The file boxrockuninstaller.exe has been seen being distributed by the following URL.

http://install.boxrock.info/ud

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