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specialboxun.exe

Special Box

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application specialboxun.exe by Special Box has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is the uninstaller utility registered in the Windows Control Panel for the program Special Box by Special Box.
Publisher:
Special Box  (signed and verified)

Version:
1.0.0.0

MD5:
5df3cf8617e490131738441422c5bc7b

SHA-1:
b31f24e41a9cb9e47c1259ef4213f10e650cd390

SHA-256:
5024adad6d0ccc3484ea359f7c0ba50f16d9057ec13099dbd907996e990f4d04

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:
4/6/2025 9:45:16 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.10.20

File size:
546.2 KB (559,344 bytes)

Product version:
1.0.0.0

Original file name:
Special Box Uninstaller.exe

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\special box\specialboxun.exe

Digital Signature
Signed by:
Special Box

Authority:
VeriSign, Inc.

Valid from:
2/23/2015 1:00:00 AM

Valid to:
2/24/2016 12:59:59 AM

Subject:
CN=Special Box, O=Special Box, 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:
68F233DC671BBE554282D38DFEB31C19

File PE Metadata
Compilation timestamp:
1/7/2016 10:18:57 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

.NET CLR dependent:
Yes

Entry address:
0x8685E

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...
 
[+]

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

Code size:
530.5 KB (543,232 bytes)

Program Uninstaller
Program name:
Special Box

Display publisher:
Special Box

Display version:
2015.03.14.070421

Uninstall string:
C:\Program Files\Special Box\SpecialBoxUn.exe OFS_


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