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{ecd9aca0-5b2e-4438-a6f3-ccc0a75afe0b}w64.sys

PowerfulBrowse

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {ecd9aca0-5b2e-4438-a6f3-ccc0a75afe0b}w64.sys by PowerfulBrowse has been detected as adware by 17 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{ecd9aca0-5b2e-4438-a6f3-ccc0a75afe0b}w64”.
Publisher:
StdLib  (signed by PowerfulBrowse)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
283b3eea4a207e967fb3dc3c6e886a64

SHA-1:
e1f82a11bbb66a6733950428dc3c9cc4846b0515

SHA-256:
54e7ed264a8bfc64334e1e32688f53fc81915fab5058bafdc0c9c5e4f221d189

Scanner detections:
17 / 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:
4/23/2024 11:20:13 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.NetFilter.E
358

AVG
Webet
2017.0.2836

Bitdefender
Adware.SwiftBrowse.L
1.0.20.210

Bkav FE
W64.HfsAdware
1.3.0.6379

Dr.Web
Trojan.BPlug.123
9.0.1.042

Emsisoft Anti-Malware
Adware.NetFilter
8.16.02.11.02

F-Secure
Adware.NetFilter.E
11.2016-11-02_5

G Data
Adware.SwiftBrowse
16.2.24

IKARUS anti.virus
AdWare.SpadeCast
t3scan.1.6.1.0

McAfee
Artemis!C5CA0F295C18
5600.6492

MicroWorld eScan
Adware.NetFilter.E
17.0.0.126

Norman
Adware.NetFilter.E
11.20160211

nProtect
Trojan-Clicker/W32.SwiftBrowse.61112
15.04.10.01

Reason Heuristics
PUP.Yontoo.PowerfulBrowse (M)
16.2.11.14

Sophos
PUA 'BrowseSmart' (of type Adware)
5.12

Trend Micro House Call
Suspicious_GEN.F47V0618
7.2.42

VIPRE Antivirus
Threat.4150696
38882

File size:
60.2 KB (61,640 bytes)

Product version:
1.4.3.1

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win64 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{ecd9aca0-5b2e-4438-a6f3-ccc0a75afe0b}w64.sys

Digital Signature
Signed by:
PowerfulBrowse

Authority:
VeriSign, Inc.

Valid from:
3/28/2014 9:00:00 PM

Valid to:
3/29/2015 8:59:59 PM

Subject:
CN=PowerfulBrowse, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=PowerfulBrowse, 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:
0D18FDCF326B0F33033260BCD44C1918

File PE Metadata
Compilation timestamp:
7/30/2014 4:31:58 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:yot2dxF9O8ZF33iqiIy938bWp9XcfBfyQ7owidIti8:y9JRicy938ip9efV1j08

Entry address:
0xF064

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, 2E, 20, FF, FF, CC, CC, 38, F2, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 1C, F6, 00, 00, 60, C1, 00, 00, 28, F1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, BE, F9, 00, 00, 50, C0, 00, 00, D8, F0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, B6, FA, 00, 00, 00, C0, 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, 9A, FA, 00, 00, 00, 00, 00, 00, 86, FA, 00, 00...
 
[+]

Code size:
46.5 KB (47,616 bytes)

Driver
Display name:
{ecd9aca0-5b2e-4438-a6f3-ccc0a75afe0b}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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