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{be5bf058-a067-4076-8c2e-22b9345a0260}w64.sys

Klip Pal

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {be5bf058-a067-4076-8c2e-22b9345a0260}w64.sys by Klip Pal has been detected as adware by 29 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{be5bf058-a067-4076-8c2e-22b9345a0260}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 Klip Pal)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
251c53f7a7804258315aa4bd469d64e1

SHA-1:
ca40d914e24bc1012360720331d9ac54796203ba

SHA-256:
0dac9e9a22b7172c0bb91e83fdd497c0d42ce10b8dc33b01f46b6a35ef92eac6

Scanner detections:
29 / 68

Status:
Adware

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

Analysis date:
4/26/2024 7:13:22 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
778

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2014.09.23

Avira AntiVirus
TR/Trash.Gen
7.11.30.172

avast!
Win64:Malware-gen
2014.9-141219

AVG
Generic
2015.0.3256

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141219

Bitdefender
Adware.SwiftBrowse.CH
1.0.20.1765

Clam AntiVirus
Win.Adware.Swiftbrowse-497
0.98/21411

Comodo Security
UnclassifiedMalware
18740

Dr.Web
Tool.NetFilter.313
9.0.1.0353

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
8.14.12.19.03

ESET NOD32
Win64/BrowseFox (variant)
8.10621

Fortinet FortiGate
Adware/BrowseFox
12/19/2014

F-Prot
W64/A-bd57be8c
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.CH
11.2014-19-12_6

G Data
Adware.SwiftBrowse.CH
14.12.24

IKARUS anti.virus
AdWare.SwiftBrowse
t3scan.1.7.8.0

Malwarebytes
PUP.Optional.NetFilter
v2014.12.19.03

McAfee
Artemis!251C53F7A780
5600.6912

MicroWorld eScan
Adware.SwiftBrowse.CH
15.0.0.1059

nProtect
Adware.SwiftBrowse.CH
14.10.26.01

Qihoo 360 Security
Win32/Trojan.RiskWare.a25
1.0.0.1015

Reason Heuristics
PUP.KlipPal.m
14.12.19.3

Sophos
BrowseSmart
4.98

SUPERAntiSpyware
Trojan.Agent/Gen-Nullo[Short]
10169

Trend Micro House Call
TROJ_GEN.F47V0523
7.2.353

VIPRE Antivirus
Trojan.Win32.Generic
34252

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.1921

File size:
47.6 KB (48,784 bytes)

Product version:
1.4.4.6

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win64 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{be5bf058-a067-4076-8c2e-22b9345a0260}w64.sys

Digital Signature
Signed by:
Klip Pal

Authority:
VeriSign, Inc.

Valid from:
8/5/2014 3:00:00 AM

Valid to:
8/6/2015 2:59:59 AM

Subject:
CN=Klip Pal, O=Klip Pal, 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:
59A8A4CF2048A90F9AE8754A98A645E4

File PE Metadata
Compilation timestamp:
9/22/2014 10:01:54 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:lK7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD34MJK:sFID6EGnLA8AFJTNEVmD4

Entry address:
0xC064

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, E2, 50, FF, FF, CC, CC, 78, C2, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 54, C6, 00, 00, A0, 91, 00, 00, 28, C1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, DA, CA, 00, 00, 50, 90, 00, 00, D8, C0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, D2, CB, 00, 00, 00, 90, 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, B6, CB, 00, 00, 00, 00, 00, 00, A2, CB, 00, 00...
 
[+]

Entropy:
6.3921

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{be5bf058-a067-4076-8c2e-22b9345a0260}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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