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{01531192-f7ef-415f-a549-cfdb11836731}w64.sys

Surftastic

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {01531192-f7ef-415f-a549-cfdb11836731}w64.sys by Surftastic has been detected as adware by 25 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{01531192-f7ef-415f-a549-cfdb11836731}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 Surftastic)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
9462beb7a2abe8b1262f72f447460732

SHA-1:
bc11340a75d1601993283d3edaf3ffc5cc5543bf

SHA-256:
1696e0d67b4511409046182d3230625276bdc13c67544bf8423e33caf3366481

Scanner detections:
25 / 68

Status:
Adware

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

Analysis date:
4/26/2024 7:56:29 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.NetFilter.E
354

Agnitum Outpost
Trojan.BPlug
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2015.02.02

Avira AntiVirus
Adware/BrowseFox.aor
7.11.206.92

avast!
Win32:BrowseFox-DA [PUP]
2014.9-160215

AVG
Surfastic
2017.0.2832

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.16215

Bitdefender
Adware.NetFilter.E
1.0.20.230

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

Dr.Web
Trojan.BPlug.123
9.0.1.046

Emsisoft Anti-Malware
Adware.NetFilter
8.16.02.15.01

ESET NOD32
Win64/Riskware.NetFilter (variant)
10.11106

F-Prot
W64/A-b39d5027
v6.4.7.1.166

F-Secure
Adware.NetFilter.E
11.2016-15-02_2

G Data
Adware.NetFilter
16.2.25

IKARUS anti.virus
AdWare.SpadeCast
t3scan.1.6.1.0

McAfee
Artemis!BFCCF87851FF
5600.6488

MicroWorld eScan
Adware.NetFilter.E
17.0.0.138

nProtect
Trojan-Clicker/W32.Yotoon.60704
15.01.30.01

Reason Heuristics
PUP.Yontoo.Surftastic (M)
16.2.15.13

Sophos
BrowseSmart
4.98

Trend Micro House Call
TROJ_GEN.R0C1C0OAV15
7.2.46

Trend Micro
TROJ_GEN.R0C1C0OAV15
10.465.15

VIPRE Antivirus
Trojan.Win32.Generic
37158

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.2050

File size:
47.3 KB (48,416 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\{01531192-f7ef-415f-a549-cfdb11836731}w64.sys

Digital Signature
Signed by:
Surftastic

Authority:
COMODO CA Limited

Valid from:
5/7/2014 7:00:00 AM

Valid to:
5/8/2015 6:59:59 AM

Subject:
CN=Surftastic, O=Surftastic, STREET=10620 Treena Street Suite 230, L=San Diego, S=Ca, PostalCode=92131, C=US

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
1E51B1BC1DA0D725290BE84DCF88D4EB

File PE Metadata
Compilation timestamp:
9/23/2014 2:01:54 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:lR7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3vM+D7n8:nFID6EGnLA8AFJTNEVmDvtDA

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:
6.3810

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{01531192-f7ef-415f-a549-cfdb11836731}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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