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rightsurf.expext.dll

RightSurf

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module rightsurf.expext.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:
1.0.5650.42460

MD5:
2519f71a01aff8168c8477df81a3b932

SHA-1:
7b16fbb4e013da3e26ffe65b77d95280e92c2134

SHA-256:
7c21cca7c54db6507c1c3864365d753cad07e9c810546767b4f87407c793c79b

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:
11/23/2024 6:53:11 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.11.22

File size:
508.7 KB (520,944 bytes)

Product version:
1.0.5650.42460

Original file name:
2015062207.dll

File type:
Dynamic link library (Win32 DLL)

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

Digital Signature
Signed by:
RightSurf

Authority:
VeriSign, Inc.

Valid from:
11/3/2014 6:00:00 PM

Valid to:
1/3/2016 5:59:59 PM

Subject:
CN=RightSurf, 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:
1E8F736F9D4CC702BAD040A691E0353D

File PE Metadata
Compilation timestamp:
6/22/2015 1:35:21 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

Entry address:
0x7EFFE

Entry point:
FF, 25, 00, 20, 00, 10, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
6.4777

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

Code size:
500.5 KB (512,512 bytes)

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