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b6f164a05e014c08b4af.dll

BrowseStudio

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module b6f164a05e014c08b4af.dll by BrowseStudio has been detected as adware by 23 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:
BrowseStudio  (signed and verified)

MD5:
f542506684782141094976479a6584b8

SHA-1:
a7a6870b4d848df55802e9d45656941c95d0d7d4

SHA-256:
f8c9557e709968d632bbaa47ac8daedb674e556a90d4cafe2bbb64d2080b12a4

Scanner detections:
23 / 68

Status:
Adware

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

Analysis date:
4/24/2024 10:34:53 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CS
803

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.BrowseFox
2014.11.25

Avira AntiVirus
Adware/BrowseFox.aol
7.11.188.92

AVG
Generic
2015.0.3281

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141123

Bitdefender
Adware.SwiftBrowse.CS
1.0.20.1635

Clam AntiVirus
Win.Adware.Browsefox-70
0.98/21511

Dr.Web
Trojan.Yontoo.115
9.0.1.0336

Emsisoft Anti-Malware
Adware.SwiftBrowse.CS
8.14.11.23.09

ESET NOD32
Win32/BrowseFox (variant)
8.10769

F-Secure
Adware.SwiftBrowse.CS
11.2014-23-11_1

G Data
Adware.SwiftBrowse.CS
14.11.24

IKARUS anti.virus
not-a-virus:AdWare.MSIL.Swift
t3scan.1.8.3.0

K7 AntiVirus
Trojan
13.185.14098

McAfee
BrowseFox
5600.6937

MicroWorld eScan
Adware.SwiftBrowse.CS
15.0.0.981

NANO AntiVirus
Riskware.Win32.BrowseFox.dixxoo
0.28.6.63474

nProtect
Adware.SwiftBrowse.CN
14.11.24.01

Panda Antivirus
Trj/CI.A
14.11.23.09

Qihoo 360 Security
Win32/Virus.Adware.240
1.0.0.1015

Reason Heuristics
PUP.BrowseStudio.U
14.11.23.21

VIPRE Antivirus
Trojan.Win32.Generic
35066

File size:
192.7 KB (197,360 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\browsestudio\bin\b6f164a05e014c08b4af.dll

Digital Signature
Signed by:
BrowseStudio

Authority:
VeriSign, Inc.

Valid from:
9/2/2014 3:00:00 AM

Valid to:
9/3/2015 2:59:59 AM

Subject:
CN=BrowseStudio, O=BrowseStudio, 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:
11AE532A33120159E1078A0D3EDE88C9

File PE Metadata
Compilation timestamp:
11/12/2014 4:40:38 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:Fqm/7Z82CAy8+dnjJbyZi7w4VqhJj75AF:FY2Cq2njJbyZi0CqhJ+F

Entry address:
0x115B2

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 5C, 90, 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, 9C, 53, 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, 50, 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:
143.5 KB (146,944 bytes)

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