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RightSurf.BrowserFilter.dll

RightSurf

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module RightSurf.BrowserFilter.dll by RightSurf has been detected as adware by 20 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:
1.0.5454.29822

MD5:
915fa2ed96b2ef952326661045bad413

SHA-1:
eb25575df4a2e3eb6b5acf7d51dda2ba2b753c87

SHA-256:
955bb293e8bc88dc96e2e6dfd26cea09cfacc1bd0c238d9cd17ba72b6fe349ea

Scanner detections:
20 / 68

Status:
Adware

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

Analysis date:
4/25/2024 8:23:57 AM UTC  (today)

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]
150102-1

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.L potentially unwanted application
7.0.302.0

F-Prot
W32/A-44ec90a9
v6.4.7.1.166

F-Secure
Adware.BrowseFox.AU
5.13.68

G Data
Adware.BrowseFox.AU
15.1.24

K7 AntiVirus
Adware
13.192.14746

McAfee
Artemis!915FA2ED96B2
5600.6875

MicroWorld eScan
Adware.BrowseFox.AU
16.0.0.75

nProtect
Adware.BrowseFox.AU
15.01.23.01

Qihoo 360 Security
HEUR/QVM23.0.Malware.Gen
1.0.0.1015

Reason Heuristics
PUP.Yontoo
15.1.25.1

VIPRE Antivirus
Threat.4741131
36666

File size:
644.2 KB (659,696 bytes)

Product version:
1.0.5454.29822

Original file name:
RightSurf.BrowserFilter.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

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

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:
12/8/2014 6:04:08 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
12288:7yrMakAr3w3rivjKqo6jY3FlAQ0dLO6q+OV2jTEWDpgLhcuqCzOpQxz:MkQc6E1Wi6wcjT5DpgG+ypMz

Entry address:
0xA0D4A

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, 02, 00, 00, 00, 78, 00, 00, 00, 8C, 0D, 0A, 00, 8C, EF, 09, 00, 52, 53, 44, 53, B1, 32, 97, 71, 61, AD, 94, 4A, BA, 71, E2, 54, 14, 9F, ED, 3A, 01, 00, 00, 00, 44, 3A, 5C, 55, 74, 69, 6C, 69, 74, 69, 65, 73, 5C, 73, 6C, 71, 71, 69, 6D, 31, 63, 2E, 65, 61, 6D, 5C, 44, 65, 73, 6B, 74, 6F, 70, 5C, 44, 65, 73, 6B...
 
[+]

Entropy:
7.5944

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

Code size:
636 KB (651,264 bytes)

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