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{2f0ff925-183b-4210-98f5-cb2ffd917f2b}w.sys

Adanak

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {2f0ff925-183b-4210-98f5-cb2ffd917f2b}w.sys by Adanak has been detected as adware by 17 anti-malware scanners. It runs as a Windows kernel mode device driver named “{2f0ff925-183b-4210-98f5-cb2ffd917f2b}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 Adanak)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
efea7d3d81a964d42bce23a998d7ce5d

SHA-1:
7ca6c3a0c59be96227dbf3416f6f01227689b784

SHA-256:
37cb7e027615a3b152f94cb53898247638854a50564fe29dcfc8b9dbd98f9fa3

Scanner detections:
17 / 68

Status:
Adware

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

Analysis date:
4/24/2024 7:40:52 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Trojan.BPlug
7.1.1

AhnLab V3 Security
PUP/Win32.BrowseFox
2014.09.30

Avira AntiVirus
Adware/BrowseFox.A.1227
7.11.174.162

AVG
Generic
2015.0.3305

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141031

Clam AntiVirus
Win.Adware.Netfilter-134
0.98/21411

Comodo Security
Application.Win32.RiskWare.NetFilter.D
19659

Dr.Web
hacktool program Tool.NetFilter.313
9.0.1.05190

ESET NOD32
Win64/BrowseFox.AB (variant)
8.10563

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

IKARUS anti.virus
AdWare.SwiftBrowse
t3scan.1.7.5.0

NANO AntiVirus
Riskware.Win32.Yotoon.dfewso
0.28.2.62440

Qihoo 360 Security
Win32/Virus.Adware.618
1.0.0.1015

Reason Heuristics
PUP.Adanak.k
14.10.31.5

Vba32 AntiVirus
AdWare.Win64.Yotoon
3.12.26.3

VIPRE Antivirus
Threat.4741131
32210

Zillya! Antivirus
Adware.Yotoon.Win64.7
2.0.0.1907

File size:
42.2 KB (43,192 bytes)

Product version:
1.4.4.6

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win32 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{2f0ff925-183b-4210-98f5-cb2ffd917f2b}w.sys

Digital Signature
Signed by:
Adanak

Authority:
VeriSign, Inc.

Valid from:
4/22/2014 1:00:00 AM

Valid to:
4/23/2015 12:59:59 AM

Subject:
CN=Adanak, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Adanak, 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:
54EAA4FDDD0AEB1183ED278A995C36F7

File PE Metadata
Compilation timestamp:
9/22/2014 8:01:51 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:dN0457WBZwpHs63E+X7BIrTsCEziDH+JgrVJddD5Y:fhUcpH/0+LCf7EziDHhdzY

Entry address:
0xA03E

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 20, 70, FF, FF, CC, CC, 94, A1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, CE, A4, 00, 00, E0, 80, 00, 00, B4, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 24, A5, 00, 00, 00, 80, 00, 00, EC, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, A4, A9, 00, 00, 38, 80, 00, 00, C4, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 9C, AA, 00, 00, 10, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, FC, A4, 00, 00, 10, A5, 00, 00, E8, A4...
 
[+]

Code size:
28 KB (28,672 bytes)

Driver
Display name:
{2f0ff925-183b-4210-98f5-cb2ffd917f2b}w

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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