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b9a19c25a74147e591a2.dll

RightSurf

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module b9a19c25a74147e591a2.dll by RightSurf has been detected as adware by 18 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)

MD5:
20cec2a1e22ec314e13818f75c91c801

SHA-1:
853e8f166f0e0ea26b25841ab180231c6bdfe661

SHA-256:
8c4955e4607893a05b0680684a68ea49e877b688b1fde7ea4ac16710f9668480

Scanner detections:
18 / 68

Status:
Adware

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

Analysis date:
4/20/2024 12:55:24 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.V
889

Agnitum Outpost
Riskware.Agent
7.1.1

avast!
Win32:BrowseFox-Z [PUP]
140813-1

AVG
Generic
2015.0.3367

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.14829

Bitdefender
Adware.SwiftBrowse.V
1.0.20.1205

Dr.Web
Trojan.BPlug.100
9.0.1.05190

Emsisoft Anti-Malware
Adware.SwiftBrowse.V
9.0.0.4324

ESET NOD32
Win32/BrowseFox.N potentially unwanted application
7.0.302.0

F-Secure
Adware.SwiftBrowse.V
11.2014-29-08_6

G Data
Adware.SwiftBrowse
14.8.24

IKARUS anti.virus
PUA.BrowseFox
t3scan.1.7.5.0

MicroWorld eScan
Adware.SwiftBrowse.V
15.0.0.723

NANO AntiVirus
Riskware.Win32.Agent.dedjsz
0.28.2.61861

nProtect
Trojan-Clicker/W32.LinkSwift.195360
14.08.29.01

Reason Heuristics
PUP.RightSurf.U
14.8.29.15

Vba32 AntiVirus
AdWare.Agent
3.12.26.3

VIPRE Antivirus
Threat.4150696
32210

File size:
190.8 KB (195,360 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\rightsurf\bin\b9a19c25a74147e591a2.dll

Digital Signature
Signed by:
RightSurf

Authority:
VeriSign, Inc.

Valid from:
11/27/2013 1:00:00 AM

Valid to:
11/28/2014 12:59:59 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:
7/24/2014 9:25:49 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:93A11Je0OVsR00frsTbnFe/UpM1qLZ+GQ+1m2E/TJL9QbPa5jxpS:93Qa0lOnFe/+pZ+G/1m2cTzQbCJj

Entry address:
0x11CBD

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 71, 7C, 00, 00, FF, 75, 08, 8B, 4D, 10, 8B, 55, 0C, E8, EC, FE, FF, FF, 59, 5D, C2, 0C, 00, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, D0, 45, 02, 10, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, 34, 40, 02, 10, C9, C2, 08, 00, 8B, FF, 55, 8B, EC, 51, 53, 8B, 45, 0C, 83, C0, 0C, 89, 45, FC, 64...
 
[+]

Code size:
140 KB (143,360 bytes)

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