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RightSurf.FeSvc.dll

RightSurf

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module RightSurf.FeSvc.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:
1.0.5316.21187

MD5:
49ef0a795f6747be4a5ec341f2cc9a06

SHA-1:
ecc92a7885f85dc62cb4678deed22b704a848cf1

SHA-256:
f5ce12e5fd9e29541acf5858cb7547dac986e06ced3b15c31fd6cfac19d2010e

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:
4/26/2024 11:06:03 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.RightSurf (M)
16.2.13.1

File size:
50.3 KB (51,488 bytes)

Product version:
1.0.5316.21187

Original file name:
RightSurf.FeSvc.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

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

Digital Signature
Signed by:
RightSurf

Authority:
VeriSign, Inc.

Valid from:
11/27/2013 2:00:00 AM

Valid to:
11/28/2014 1:59:59 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:
7/22/2014 3:46:22 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
768:9VVW2GTY1OAFgUA0WUCypPYPg7gMMpDYPkBJV4dWqOsvr1NhWmHi/IK:9fWXc8UrtCyPY4UOkB7qZvbhWmHi/p

Entry address:
0xC666

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...
 
[+]

Entropy:
6.0347

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

Code size:
42 KB (43,008 bytes)

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