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{84f4469c-2e57-4817-ab15-10cd9bb20e2e}gw64.sys

StormVade

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {84f4469c-2e57-4817-ab15-10cd9bb20e2e}gw64.sys by StormVade has been detected as adware by 14 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{84f4469c-2e57-4817-ab15-10cd9bb20e2e}Gw64”.
Publisher:
StdLib  (signed by StormVade)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
a3ee7bf448a22e255e0199d31dc8eb13

SHA-1:
ddf0b6e05c8d832ac664ca77a3f37cb11e1aabb2

SHA-256:
614409b8fb4ebaa9a63105f58b8b43177c3c004e5e866a8ba2c0396f57b646c0

Scanner detections:
14 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
4/25/2024 9:18:28 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
827

Agnitum Outpost
Riskware.Agent
7.1.1

AVG
Generic
2015.0.3305

Bitdefender
Adware.SwiftBrowse.CH
1.0.20.1520

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

Dr.Web
hacktool program Tool.NetFilter.313
9.0.1.05190

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
8.14.10.31.05

F-Prot
W64/A-bd57be8c
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.CH
11.2014-31-10_6

G Data
Adware.SwiftBrowse.CH
14.10.24

MicroWorld eScan
Adware.SwiftBrowse.CH
15.0.0.912

nProtect
Adware.SwiftBrowse.CH
14.10.30.01

Reason Heuristics
PUP.StormVade.n
14.10.31.4

VIPRE Antivirus
Threat.4150696
34232

File size:
47.7 KB (48,832 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\{84f4469c-2e57-4817-ab15-10cd9bb20e2e}gw64.sys

Digital Signature
Signed by:
StormVade

Authority:
VeriSign, Inc.

Valid from:
3/18/2014 7:00:00 PM

Valid to:
3/19/2015 6:59:59 PM

Subject:
CN=StormVade, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=StormVade, 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:
580E6F6DF14BEEAC50D8DBB28A4CFF19

File PE Metadata
Compilation timestamp:
9/22/2014 2:01:54 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:l37G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3NrE8:pFID6EGnLA8AFJTNEVmDNh

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:
6.3936

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{84f4469c-2e57-4817-ab15-10cd9bb20e2e}Gw64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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