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opticalsurf.purbrowseg.dll

Optical Surf

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

Version:
1.0.5527.1035

MD5:
53fe1b0b7a5d5a0fa893bcfacebc681a

SHA-1:
d517504b1b30191f59274018ef7cfea791dfd5ea

SHA-256:
b1c858fe28e50176e091fec44901777c37eec35f3902835d6d9c66f822fe0d77

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 9:57:42 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.15.2

File size:
1 MB (1,061,112 bytes)

Product version:
1.0.5527.1035

Original file name:
OpticalSurf.PurBrowseG2015021808.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\hewlett-packard\firefox - hp virtual browser edition\fslrdr\3\[_b_]programfiles[_e_]\optical surf\bin\plugins\opticalsurf.purbrowseg.dll

Digital Signature
Signed by:
Optical Surf

Authority:
VeriSign, Inc.

Valid from:
12/17/2014 7:00:00 AM

Valid to:
12/18/2015 6:59:59 AM

Subject:
CN=Optical Surf, O=Optical Surf, L=Santa Monica, 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:
373EFE200D490F79B1E099C7683F2A7C

File PE Metadata
Compilation timestamp:
2/18/2015 3:34:38 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x102EA2

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:
1 MB (1,052,672 bytes)

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