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RightSurf.PurBrowse.dll

RightSurf

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

Version:
1.0.5403.12706

MD5:
6f30458f0d348ef932811cd50816c50f

SHA-1:
cd75a63d46eb24399ab13d855dfa283151016082

SHA-256:
a6304055ad3d6397e492a1d92d44c0f61eea423af2b15c66e5c6503ed3e90415

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:
5/9/2024 8:40:34 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo (M)
17.3.12.17

File size:
934.8 KB (957,216 bytes)

Product version:
1.0.5403.12706

Original file name:
RightSurf.PurBrowse.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\rightsurf\bin\plugins\rightsurf.purbrowse.dll

Digital Signature
Signed by:
RightSurf

Authority:
VeriSign, Inc.

Valid from:
11/27/2013 5:30:00 AM

Valid to:
11/28/2014 5:29:59 AM

Subject:
CN=RightSurf, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=RightSurf, 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:
1E2DA13430E7E93CEF3759B2E4F7A34B

File PE Metadata
Compilation timestamp:
10/17/2014 8:33:37 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0xE981E

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, 02, 00, 00, 00, 70, 00, 00, 00, 60, 98, 0E, 00, 60, 7A, 0E, 00, 52, 53, 44, 53, F6, 07, C5, FE, 07, 59, 0E, 41, BC, 79, 85, 49, FF, 04, 77, E6, 01, 00, 00, 00, 44, 3A, 5C, 55, 74, 69, 6C, 69, 74, 69, 65, 73, 5C, 74, 79, 79, 63, 76, 76, 6D, 6C, 2E, 62, 75, 67, 5C, 44, 65, 73, 6B, 74, 6F, 70, 5C, 44, 65, 73, 6B...
 
[+]

Entropy:
7.1729

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

Code size:
926.5 KB (948,736 bytes)

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