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{ce2cc6b9-0133-4405-9775-8944501dc17c}w64.sys

kozaka

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {ce2cc6b9-0133-4405-9775-8944501dc17c}w64.sys by kozaka has been detected as adware by 25 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{ce2cc6b9-0133-4405-9775-8944501dc17c}w64”. 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 kozaka)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
38b51d0fa76fd1c46b494361928d6260

SHA-1:
e81a5bf5e9a34868bd8ad56c196f0471c3f8cc69

SHA-256:
007dd170e6d5d8026958887f5510c96cc14f61bfc4493f8b5ef2c149a868cdda

Scanner detections:
25 / 68

Status:
Adware

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

Analysis date:
4/26/2024 1:30:37 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.NetFilter.E
362

Agnitum Outpost
Trojan.BPlug
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2015.04.11

AVG
MalSign.Skodna.glindorus
2017.0.2840

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.1628

Bitdefender
Adware.NetFilter.E
1.0.20.195

Bkav FE
W64.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Swiftbrowse-75
0.98/21511

Dr.Web
Trojan.BPlug.123
9.0.1.039

Emsisoft Anti-Malware
Adware.NetFilter
8.16.02.08.06

F-Prot
W64/A-e967bae2
v6.4.7.1.166

F-Secure
Adware.NetFilter.E
11.2016-08-02_2

G Data
Adware.NetFilter
16.2.25

IKARUS anti.virus
AdWare.SpadeCast
t3scan.1.6.1.0

McAfee
Artemis!151486AA5E21
5600.6496

MicroWorld eScan
Adware.NetFilter.E
17.0.0.117

Norman
Adware.NetFilter.E
11.20160208

nProtect
Trojan-Clicker/W32.SwiftBrowse.61112
15.04.10.01

Reason Heuristics
PUP.Yontoo.kozaka (M)
16.2.8.6

Sophos
PUA 'BrowseSmart' (of type Adware)
5.12

SUPERAntiSpyware
Adware.NetFilter/Variant
9336

Trend Micro House Call
HS_BROWSEFOX.SM
7.2.39

Trend Micro
HS_BROWSEFOX.SM
10.465.08

VIPRE Antivirus
Threat.4150696
38882

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.2135

File size:
43.7 KB (44,728 bytes)

Product version:
1.4.3.1

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win64 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{ce2cc6b9-0133-4405-9775-8944501dc17c}w64.sys

Digital Signature
Signed by:
kozaka

Authority:
VeriSign, Inc.

Valid from:
10/7/2013 4:00:00 AM

Valid to:
10/8/2014 3:59:59 AM

Subject:
CN=kozaka, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=kozaka, 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:
1B38C0B5B092B91BC43EB30DCF78B962

File PE Metadata
Compilation timestamp:
9/13/2014 3:33:02 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:kgLmaZF8aSQ7DwZmEhzg8ClFHeDrTdRfsQCa5075YLwidHAV:35ZEQI8E7ClquaC759E

Entry address:
0xB064

Entry point:
48, 83, EC, 28, 4C, 8B, C2, 4C, 8B, C9, E8, 95, FF, FF, FF, 49, 8B, D0, 49, 8B, C9, 48, 83, C4, 28, E9, C6, 60, FF, FF, CC, CC, 38, B2, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 1C, B6, 00, 00, 60, 81, 00, 00, 28, B1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, BE, B9, 00, 00, 50, 80, 00, 00, D8, B0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, B6, BA, 00, 00, 00, 80, 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, 9A, BA, 00, 00, 00, 00, 00, 00, 86, BA, 00, 00...
 
[+]

Entropy:
6.3755

Code size:
30.5 KB (31,232 bytes)

Driver
Display name:
{ce2cc6b9-0133-4405-9775-8944501dc17c}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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