home

{09c3ffd6-f1a3-4fde-86e1-d448e8559c21}w.sys

Girafarri

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {09c3ffd6-f1a3-4fde-86e1-d448e8559c21}w.sys by Girafarri has been detected as adware by 29 anti-malware scanners. It runs as a Windows kernel mode device driver named “{09c3ffd6-f1a3-4fde-86e1-d448e8559c21}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 Girafarri)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
a110ae8364e089c51d64a89562861788

SHA-1:
5c8d189a23da77e3546db99776a0a56eb7fa7c1a

SHA-256:
67b35849b89e2ed9a0d092d2e9cab4bac64cb0dce4ecc262eab88aff7eed1212

Scanner detections:
29 / 68

Status:
Adware

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

Analysis date:
4/19/2024 1:53:54 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.V
675

Agnitum Outpost
PUA.BrowseFox
7.1.1

Avira AntiVirus
ADWARE/BrowseFox.A.1227
3.6.1.96

avast!
Win32:BrowseFox-GZ [PUP]
2014.9-150401

AVG
Girafarri
2016.0.3153

Baidu Antivirus
Hacktool.Win32.NetFilter
4.0.3.1541

Bitdefender
Adware.BrowseFox.V
1.0.20.455

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Netfilter-134
0.98/21511

Comodo Security
TrojWare.Win32.AltBrowse.IZZV
21560

Dr.Web
Trojan.Yontoo.1734
9.0.1.091

Emsisoft Anti-Malware
Adware.BrowseFox.V
8.15.04.01.10

ESET NOD32
Win32/NetFilter.A potentially unsafe (variant)
9.11388

Fortinet FortiGate
Riskware/NetFilter
4/1/2015

F-Prot
W32/A-76f53fd6
v6.4.7.1.166

F-Secure
Adware.BrowseFox.V
11.2015-01-04_4

G Data
Adware.BrowseFox
15.4.25

herdProtect (fuzzy)
variant of {847c2db9-6f00-49b6-896c-0d969fee7b00}gw.sys (Adware)
2015.7.6.6

K7 AntiVirus
Unwanted-Program
13.202.15407

Malwarebytes
PUP.Optional.Girafarri
v2015.04.01.10

McAfee
Artemis!A110AE8364E0
5600.6809

MicroWorld eScan
Adware.BrowseFox.V
16.0.0.273

nProtect
Adware.BrowseFox.V
15.03.27.01

Qihoo 360 Security
Win32/Virus.Adware.618
1.0.0.1015

Reason Heuristics
PUP.Yontoo
15.4.1.10

Sophos
Generic PUA FM
4.98

Vba32 AntiVirus
AdWare.Zaitu
3.12.26.3

VIPRE Antivirus
Trojan.Win32.Generic
38834

Zillya! Antivirus
Backdoor.CPEX.Win32.29350
2.0.0.2118

File size:
42.2 KB (43,200 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\{09c3ffd6-f1a3-4fde-86e1-d448e8559c21}w.sys

Digital Signature
Signed by:
Girafarri

Authority:
VeriSign, Inc.

Valid from:
4/22/2014 5:00:00 AM

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

Subject:
CN=Girafarri, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Girafarri, 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:
2FB197284297D52000599AA2F7D0668F

File PE Metadata
Compilation timestamp:
3/24/2015 2:16:41 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:WN0457WBZwpHs63E+X7BIrTsCEziDH+JgrVJdd8agpsS:ahUcpH/0+LCf7EziDHhdJg3

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...
 
[+]

Entropy:
6.6156

Code size:
28 KB (28,672 bytes)

Driver
Display name:
{09c3ffd6-f1a3-4fde-86e1-d448e8559c21}w

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


Remove {09c3ffd6-f1a3-4fde-86e1-d448e8559c21}w.sys - Powered by Reason Core Security
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.