rightsurf.purbrowse64.exe

RightSurf

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application rightsurf.purbrowse64.exe 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)

MD5:
629d038cad3486711ad38987d2094ae1

SHA-1:
f3ffaa626391095c2055e3284a0f280cbbab7882

SHA-256:
a4fb145cb93d5f13397ebed6aa0402b41c5d12258ba337643c43445864a7bae6

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:
5/20/2024 7:41:14 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.11.22

File size:
345.2 KB (353,520 bytes)

File type:
Executable application (Win64 EXE)

Common path:
C:\Program Files\rightsurf\bin\rightsurf.purbrowse64.exe

Digital Signature
Signed by:

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 12:42:45 AM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows Console

Linker version:
10.0

Entry address:
0x25990

Entry point:
48, 83, EC, 28, E8, 77, 94, 00, 00, 48, 83, C4, 28, E9, 76, FE, FF, FF, CC, CC, 4C, 8D, 0D, A5, AC, 02, 00, 33, C0, 49, 8B, D1, 44, 8D, 40, 08, 3B, 0A, 74, 2B, FF, C0, 49, 03, D0, 83, F8, 2D, 72, F2, 8D, 41, ED, 83, F8, 11, 77, 06, B8, 0D, 00, 00, 00, C3, 81, C1, 44, FF, FF, FF, B8, 16, 00, 00, 00, 83, F9, 0E, 41, 0F, 46, C0, C3, 48, 98, 41, 8B, 44, C1, 04, C3, CC, 48, 83, EC, 28, E8, DB, 5E, 00, 00, 48, 85, C0, 75, 09, 48, 8D, 05, B7, AD, 02, 00, EB, 04, 48, 83, C0, 10, 48, 83, C4, 28, C3, 48, 83, EC, 28...
 
[+]

Entropy:
6.2968

Code size:
233 KB (238,592 bytes)

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