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{6eaeb8af-e4d9-4df5-b9d7-815f2928cdf7}gw64.sys

Krab Web

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {6eaeb8af-e4d9-4df5-b9d7-815f2928cdf7}gw64.sys by Krab Web has been detected as adware by 26 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{6eaeb8af-e4d9-4df5-b9d7-815f2928cdf7}Gw64”. 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 Krab Web)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
6d1f08a44f3edc3494457694fd5df323

SHA-1:
3f7602d5b6e99f68c6efb2e35e8b0567b625a80a

SHA-256:
1d220206fa6384599d4d4f43fe3b4cd7b5a738e6d5f3b729ab42d89cacf109f6

Scanner detections:
26 / 68

Status:
Adware

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

Analysis date:
4/25/2024 8:50:46 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.L
836

Agnitum Outpost
PUA.Yotoon
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2014.09.08

avast!
Win64:Malware-gen
2014.9-141022

AVG
Webet
2015.0.3314

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141022

Bitdefender
Adware.SwiftBrowse.L
1.0.20.1475

Clam AntiVirus
Win.Adware.Swiftbrowse-284
0.98/19424

Comodo Security
UnclassifiedMalware
18740

Dr.Web
hacktool program Tool.NetFilter.313
9.0.1.05190

Emsisoft Anti-Malware
Adware.SwiftBrowse.L
8.14.10.22.07

ESET NOD32
Win32/RiskWare.NetFilter (variant)
8.10008

F-Prot
W64/A-abca7297
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.L
11.2014-22-10_4

G Data
Adware.SwiftBrowse
14.10.24

IKARUS anti.virus
AdWare.SwiftBrowse
t3scan.1.7.5.0

Malwarebytes
PUP.Optional.NetFilter
v2014.10.22.07

McAfee
Artemis!2EFBEE200F8A
5600.6970

MicroWorld eScan
Adware.SwiftBrowse.L
15.0.0.885

nProtect
Adware.SwiftBrowse.L
14.05.23.01

Qihoo 360 Security
Win32/Trojan.RiskWare.a25
1.0.0.1015

Reason Heuristics
PUP.KrabWeb.n
14.10.22.6

Sophos
BrowseSmart
4.98

Trend Micro House Call
TROJ_GEN.F47V0523
7.2.295

VIPRE Antivirus
Trojan.Win32.Generic
32916

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.1914

File size:
47.6 KB (48,728 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\{6eaeb8af-e4d9-4df5-b9d7-815f2928cdf7}gw64.sys

Digital Signature
Signed by:
Krab Web

Authority:
DigiCert Inc

Valid from:
6/9/2014 1:00:00 AM

Valid to:
6/17/2015 1:00:00 PM

Subject:
CN=Krab Web, O=Krab Web, L=Santa Monica, S=California, C=US

Issuer:
CN=DigiCert Assured ID Code Signing CA-1, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
0572744C4944FF55FB05A9A82A78D271

File PE Metadata
Compilation timestamp:
9/22/2014 8:01:54 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:la7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3tJ2/jM:8FID6EGnLA8AFJTNEVmDtf

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:
6.3668

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{6eaeb8af-e4d9-4df5-b9d7-815f2928cdf7}Gw64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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