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specialbox.purbrowseg.dll

Special Box

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module specialbox.purbrowseg.dll by Special Box has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
Special Box  (signed and verified)

Version:
1.0.5867.13396

MD5:
1e45d5ff7f6075eaf96921bde65e7717

SHA-1:
544c2cd3075c5e6cc706e08c1332bc420a97f421

SHA-256:
2addb2d6e8c7bc17a9467a00d12fe7c5ecfb5e0cbba1925fe2d1586e3c0686d0

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 9:50:50 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.10.20

File size:
1.2 MB (1,267,952 bytes)

Product version:
1.0.5867.13396

Original file name:
2016012415.dll

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\special box\bin\plugins\specialbox.purbrowseg.dll

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:
1/24/2016 4:26:38 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

Entry address:
0x135792

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, 50, 13, 00, 0C, 00, 00, 00, 94, 37, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

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

Code size:
1.2 MB (1,259,520 bytes)

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