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utilrightsurf.exe

RightSurf

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application utilrightsurf.exe by RightSurf has been detected as adware by 17 anti-malware scanners. It runs as a separate (within the context of its own process) windows Service named “Util RightSurf”. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
Publisher:
RightSurf  (signed and verified)

Version:
1.0.5502.29502

MD5:
f48d72a2161bbe9ada01954babd698f3

SHA-1:
24e836af3fcac7fd5fca6f509be9d84d4305c2d9

SHA-256:
a8f423b4f5fc791d3cf5d4e7287cb1b1e7509afd0f752cd4fc6f8d70a5adeee4

Scanner detections:
17 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
4/26/2024 11:24:03 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.AU
6434017

AhnLab V3 Security
Win-PUP/BrowseFox.Gen
2015.01.25

Avira AntiVirus
ADWARE/BrowseFox.Gen7
7.11.204.248

avast!
Win32:BrowseFox-Z [PUP]
150101-1

AVG
Generic
2016.0.3219

Baidu Antivirus
Adware.MSIL.BrowseFox
4.0.3.15125

Bitdefender
Adware.BrowseFox.AU
1.0.20.125

Bkav FE
W32.HfsAdware
1.3.0.6379

Emsisoft Anti-Malware
Adware.BrowseFox.AU
9.0.0.4799

ESET NOD32
MSIL/BrowseFox.H potentially unwanted application
7.0.302.0

F-Secure
Adware.BrowseFox.AU
5.13.68

G Data
Adware.BrowseFox.AU
15.1.24

K7 AntiVirus
Adware
13.192.14744

MicroWorld eScan
Adware.BrowseFox.AU
16.0.0.75

nProtect
Adware.BrowseFox.AU
15.01.23.01

Reason Heuristics
PUP.Service.Yontoo
15.1.25.0

VIPRE Antivirus
Threat.4741131
36666

File size:
649.2 KB (664,816 bytes)

Product version:
1.0.5502.29502

Original file name:
RightSurf2015012500.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

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

Digital Signature
Signed by:
RightSurf

Authority:
VeriSign, Inc.

Valid from:
11/4/2014 5:30:00 AM

Valid to:
1/4/2016 5:29:59 AM

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:
1/25/2015 5:53:30 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
12288:hz3zz3Vk+u3CRmRhgPXq7zOKBFiXT6yXuuM5O5xm5S62yjAP3I:hrzz6+ICRPLKaXTNr5xaS62yQI

Entry address:
0xA20B6

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:
5.9599

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

Code size:
640.5 KB (655,872 bytes)

Service
Display name:
Util RightSurf

Type:
Win32OwnProcess


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