home

{6bf5b009-5b7e-4d79-a4a6-41b1b5153865}w64.sys

Laflurla

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {6bf5b009-5b7e-4d79-a4a6-41b1b5153865}w64.sys by Laflurla has been detected as adware by 26 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{6bf5b009-5b7e-4d79-a4a6-41b1b5153865}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 Laflurla)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
696a1a5de77a80676534674e0296e153

SHA-1:
0677c6d7187b2137cadfb657462a375cb394337c

SHA-256:
f79843d26a50f746844541c8bba64ca0d899f4c32e93d4541ccfdec0e784b4bf

Scanner detections:
26 / 68

Status:
Adware

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

Analysis date:
4/25/2024 6:23:56 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
367

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
Win-PUP/BrowseFox.Gen
2015.02.04

avast!
Win32:BrowseFox-GK [PUP]
2014.9-160203

AVG
Generic
2017.0.2845

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.1623

Bitdefender
Adware.SwiftBrowse.CH
1.0.20.170

Bkav FE
W64.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Swiftbrowse-497
0.98/21511

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
8.16.02.03.03

ESET NOD32
Win64/BrowseFox (variant)
10.10542

Fortinet FortiGate
Adware/BrowseFox
2/3/2016

F-Prot
W64/A-59c9c70a
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.CH
11.2016-03-02_4

G Data
Adware.SwiftBrowse.CH
16.2.25

K7 AntiVirus
Adware
13.193.14852

McAfee
Trojan.Artemis!A13B327A1D7A
5600.6501

MicroWorld eScan
Adware.SwiftBrowse.CH
17.0.0.102

Norman
Adware.SwiftBrowse.CH
11.20160203

nProtect
Adware.SwiftBrowse.CH
15.02.03.01

Reason Heuristics
PUP.Yontoo.Laflurla (M)
16.2.3.3

SUPERAntiSpyware
Adware.BrowseFox/Variant
9347

Trend Micro House Call
HS_BROWSEFOX.SM
7.2.34

Trend Micro
HS_BROWSEFOX.SM
10.465.03

VIPRE Antivirus
Threat.4150696
38950

Zillya! Antivirus
Adware.Yotoon.Win64.14
2.0.0.2052

File size:
47.7 KB (48,824 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\{6bf5b009-5b7e-4d79-a4a6-41b1b5153865}w64.sys

Digital Signature
Signed by:
Laflurla

Authority:
VeriSign, Inc.

Valid from:
2/3/2014 6:00:00 PM

Valid to:
2/4/2015 5:59:59 PM

Subject:
CN=Laflurla, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Laflurla, 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:
0541E25DBE69A2BC84C39AB35093A301

File PE Metadata
Compilation timestamp:
1/31/2015 3:57:15 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:l57G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3roh:bFID6EGnLA8AFJTNEVmDri

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:
6.3927

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{6bf5b009-5b7e-4d79-a4a6-41b1b5153865}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.