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{f2dee4ac-05d0-4e54-80bc-2dc0ba61a2c7}w.sys

Dolphin Deals

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {f2dee4ac-05d0-4e54-80bc-2dc0ba61a2c7}w.sys by Dolphin Deals has been detected as adware by 16 anti-malware scanners. It runs as a Windows kernel mode device driver named “{f2dee4ac-05d0-4e54-80bc-2dc0ba61a2c7}w”. 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:
StdLib  (signed by Dolphin Deals)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
8d6dfbc740a85c8d87c1d33a74ae4efb

SHA-1:
e6b2d5c4caf27181b0c5ea1ad3740748e1cad92a

SHA-256:
aaedc2bbe236a89fca978ecb49778d2071ec065dd250008baa703ad457e4b94f

Scanner detections:
16 / 68

Status:
Adware

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

Analysis date:
4/24/2024 6:27:42 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
RiskWare.NetFilter
7.1.1

AhnLab V3 Security
PUP/Win32.BrowseFox
2014.10.03

Avira AntiVirus
Adware/BrowseFox.A.168
7.11.176.82

AVG
Generic
2015.0.3342

Comodo Security
Application.Win32.RiskWare.NetFilter.D
19683

Dr.Web
hacktool program Tool.NetFilter.1
9.0.1.0266

F-Prot
W32/A-0937c3f0
v6.4.7.1.166

herdProtect (fuzzy)
variant of {3c3ae2b4-4a36-40c4-a356-ffc1820b7ece}gw.sys (Adware)
2014.12.5.15

IKARUS anti.virus
AdWare.SwiftBrowse
t3scan.1.7.5.0

McAfee
Artemis!8D6DFBC740A8
5600.6998

NANO AntiVirus
Riskware.Win32.Yotoon.dfewso
0.28.2.62440

Qihoo 360 Security
Win32/Virus.Adware.c12
1.0.0.1015

Reason Heuristics
PUP.DolphinDeals.k
14.9.23.12

Vba32 AntiVirus
AdWare.Yotoon
3.12.26.3

VIPRE Antivirus
Threat.4741131
33520

Zillya! Antivirus
Adware.Yotoon.Win64.8
2.0.0.1941

File size:
38.2 KB (39,112 bytes)

Product version:
1.4.3.1

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win32 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{f2dee4ac-05d0-4e54-80bc-2dc0ba61a2c7}w.sys

Digital Signature
Signed by:
Dolphin Deals

Authority:
VeriSign, Inc.

Valid from:
4/29/2014 2:00:00 AM

Valid to:
4/30/2015 1:59:59 AM

Subject:
CN=Dolphin Deals, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Dolphin Deals, L=Santa Monica, 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:
7B2BB0FC5A785F21B05232FFFBC2969A

File PE Metadata
Compilation timestamp:
9/13/2014 1:32:59 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:Rf5OQ5p9MZq9Vkh5z8tZfJm/6D1GqA+5+TFpEwXGhqK:Rf5H5pH+x8t1c/+Gd+5/44

Entry address:
0x903E

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 20, 80, FF, FF, CC, CC, 74, 91, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, AE, 94, 00, 00, C0, 70, 00, 00, B4, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 04, 95, 00, 00, 00, 70, 00, 00, EC, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, A0, 98, 00, 00, 38, 70, 00, 00, C4, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 98, 99, 00, 00, 10, 70, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, DC, 94, 00, 00, F0, 94, 00, 00, C8, 94...
 
[+]

Code size:
24.5 KB (25,088 bytes)

Driver
Display name:
{f2dee4ac-05d0-4e54-80bc-2dc0ba61a2c7}w

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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