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{3361bd6e-1b09-45dd-ab57-a34dd9b8d94b}w64.sys

blindbat

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {3361bd6e-1b09-45dd-ab57-a34dd9b8d94b}w64.sys by blindbat has been detected as adware by 17 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{3361bd6e-1b09-45dd-ab57-a34dd9b8d94b}w64”.
Publisher:
StdLib  (signed by blindbat)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
d26090743414ab2699ad1a1daf5b64b8

SHA-1:
52e1ff9f682855f70e8672c3781b2940cff5b746

SHA-256:
c73426b58e16865bca28d86841b36f286a6753fa15e400234d9611468ef5ab7a

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:
4/26/2024 11:59:26 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.NetFilter.E
823

Agnitum Outpost
Trojan.BPlug
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2014.11.05

AVG
Generic
2015.0.3301

Bitdefender
Adware.NetFilter.E
1.0.20.1540

Clam AntiVirus
Win.Adware.Swiftbrowse-75
0.98/19586

Dr.Web
Trojan.BPlug.123
9.0.1.05190

Emsisoft Anti-Malware
Adware.NetFilter
8.14.11.04.09

F-Prot
W64/A-e967bae2
v6.4.7.1.166

F-Secure
Adware.NetFilter.E
11.2014-04-11_3

G Data
Adware.NetFilter
14.11.24

MicroWorld eScan
Adware.NetFilter.E
15.0.0.924

nProtect
Adware.NetFilter.E
14.11.04.01

Reason Heuristics
PUP.blindbat.m
14.11.4.9

Sophos
BrowseSmart
4.98

VIPRE Antivirus
Threat.4150696
34232

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.1975

File size:
59.7 KB (61,112 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\{3361bd6e-1b09-45dd-ab57-a34dd9b8d94b}w64.sys

Digital Signature
Signed by:
blindbat

Authority:
VeriSign, Inc.

Valid from:
11/27/2013 1:00:00 AM

Valid to:
11/28/2014 12:59:59 AM

Subject:
CN=blindbat, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=blindbat, L=San Diego, 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:
0B7F97173CD91AC680AED809CA9B3B59

File PE Metadata
Compilation timestamp:
1/31/2014 1:45:30 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:zot2dxF9O8ZF33iqiIy938bWp9XcfBvJkowidIrhYH:z9JRicy938ip9ea1j1YH

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...
 
[+]

Entropy:
5.9640

Code size:
46.5 KB (47,616 bytes)

Driver
Display name:
{3361bd6e-1b09-45dd-ab57-a34dd9b8d94b}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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