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rightsurf.expext.exe

RightSurf

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application rightsurf.expext.exe by RightSurf has been detected as adware by 24 anti-malware scanners. 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:
1.0.6242.39491

MD5:
a65680cd03e5c218880b28156690a6c7

SHA-1:
1245a6623b55e7dc017c17404d1d40be1b5ce94c

SHA-256:
547d691075d78a691249fb057c6f72f44643ebf393abb13d651866d95c4fc3db

Scanner detections:
24 / 68

Status:
Adware

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

Analysis date:
4/26/2024 2:30:07 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.AU
6434017

Agnitum Outpost
PUA.BrowseFox
7.1.1

AhnLab V3 Security
PUP/Win32.BrowseFox
2015.01.25

Avira AntiVirus
ADWARE/BrowseFox.Gen2
7.11.204.248

avast!
Win32:BrowseFox-Z [PUP]
150102-1

AVG
Generic
2016.0.3219

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.15125

Bitdefender
Adware.BrowseFox.AU
1.0.20.125

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Browsefox-140
0.98/21511

Dr.Web
Trojan.Yontoo.481
9.0.1.05190

Emsisoft Anti-Malware
Adware.BrowseFox.AU
9.0.0.4799

ESET NOD32
Win32/BrowseFox.AA potentially unwanted application
7.0.302.0

F-Prot
W32/S-43570a6e
v6.4.7.1.166

F-Secure
Adware.BrowseFox.AU
5.13.68

G Data
Adware.BrowseFox.AU
15.1.24

K7 AntiVirus
Trojan
13.192.14744

McAfee
BrowseFox-FVA
5600.6875

MicroWorld eScan
Adware.BrowseFox.AU
16.0.0.75

nProtect
Adware.BrowseFox.AU
15.01.23.01

Reason Heuristics
Adware.Yontoo.RightSurf
15.1.25.0

SUPERAntiSpyware
Adware.BrowserFox/Variant
10095

VIPRE Antivirus
Threat.4150696
36666

Zillya! Antivirus
Adware.SwiftBrowse.Win32.1190
2.0.0.2044

File size:
99.2 KB (101,616 bytes)

Product version:
1.0.6242.39491

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\Program Files\rightsurf\bin\rightsurf.expext.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:
1/24/2015 11:58:21 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
1536:+161oH5YT40K+R/gEWGnadKCxXfPWK6tHEkynMBfuDsSVgkRjX6u:RE5Y/Ku7YxXf+K6t8sSVg6jqu

Entry address:
0x561E

Entry point:
E8, AB, 3C, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, 7D, 08, 00, 74, 2D, FF, 75, 08, 6A, 00, FF, 35, 64, 7F, 41, 00, FF, 15, 4C, 20, 41, 00, 85, C0, 75, 18, 56, E8, 2F, 08, 00, 00, 8B, F0, FF, 15, 68, 20, 41, 00, 50, E8, DF, 07, 00, 00, 59, 89, 06, 5E, 5D, C3, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 8B, 54, 24, 0C, 8B, 4C, 24, 04, 85, D2, 74, 69, 33, C0, 8A, 44, 24, 08, 84, C0, 75, 16, 81, FA, 80, 00, 00, 00, 72, 0E, 83, 3D, C0, 91, 41, 00, 00, 74, 05, E9, CD, 3C, 00, 00, 57, 8B...
 
[+]

Entropy:
6.4319

Code size:
65.5 KB (67,072 bytes)

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