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{e34ff9ce-e6b6-450a-ace7-3acd1926facd}w64.sys

ResultsBay

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {e34ff9ce-e6b6-450a-ace7-3acd1926facd}w64.sys by ResultsBay has been detected as adware by 29 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{e34ff9ce-e6b6-450a-ace7-3acd1926facd}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 ResultsBay)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
4cce0ad2e6f0c936917ff261f9f7c0d5

SHA-1:
61f1100d2c32efa2d1b248320b48986b8a0c63ce

SHA-256:
1cabcc295d96e8d8f9ceb4db1635131f0241d10e18c7503bfca58913b584dde0

Scanner detections:
29 / 68

Status:
Adware

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

Analysis date:
4/19/2024 9:33:07 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
359

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2014.08.26

Avira AntiVirus
TR/Trash.Gen
7.11.30.172

avast!
Win32:BrowseFox-EN [PUP]
2014.9-160211

AVG
Generic
2017.0.2837

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.16211

Bitdefender
Adware.SwiftBrowse.CH
1.0.20.210

Clam AntiVirus
Win.Adware.Swiftbrowse-497
0.98/19765

Comodo Security
UnclassifiedMalware
18740

Dr.Web
Trojan.BPlug.123
9.0.1.042

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
8.16.02.11.08

ESET NOD32
Win64/BrowseFox.CG potentially unwanted application
10.7.0.302.0

F-Prot
W64/A-bd57be8c
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.CH
11.2016-11-02_5

G Data
Adware.SwiftBrowse.CH
16.2.24

IKARUS anti.virus
AdWare.SpadeCast
t3scan.1.6.1.0

Malwarebytes
PUP.Optional.NetFilter
v2016.02.11.08

McAfee
Artemis!362E86102A65
5600.6493

MicroWorld eScan
Adware.SwiftBrowse.CH
17.0.0.126

Norman
Adware.SwiftBrowse.CH
11.20160211

nProtect
Adware.SwiftBrowse.CH
14.12.11.01

Qihoo 360 Security
Win32/Trojan.RiskWare.a25
1.0.0.1015

Reason Heuristics
PUP.Yontoo.ResultsBay (M)
16.2.11.8

Sophos
BrowseSmart
4.98

SUPERAntiSpyware
Trojan.Agent/Gen-Nullo[Short]
9330

Trend Micro House Call
TROJ_GEN.F47V0523
7.2.42

VIPRE Antivirus
Threat.4150696
35418

Zillya! Antivirus
Adware.Yotoon.Win64.14
2.0.0.1975

File size:
43.7 KB (44,736 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\{e34ff9ce-e6b6-450a-ace7-3acd1926facd}w64.sys

Digital Signature
Signed by:
ResultsBay

Authority:
VeriSign, Inc.

Valid from:
1/9/2014 2:00:00 AM

Valid to:
1/10/2015 1:59:59 AM

Subject:
CN=ResultsBay, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=ResultsBay, 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:
417BA0831CCEDA70AD676F5D148B949A

File PE Metadata
Compilation timestamp:
9/13/2014 2:33:02 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:KgLmaZF8aSQ7DwZmEhzg8ClFHeDrTdRfsQCa5075YLwidHo:l5ZEQI8E7ClquaC759E

Entry address:
0xB064

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, C6, 60, FF, FF, CC, CC, 38, B2, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 1C, B6, 00, 00, 60, 81, 00, 00, 28, B1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, BE, B9, 00, 00, 50, 80, 00, 00, D8, B0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, B6, BA, 00, 00, 00, 80, 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, BA, 00, 00, 00, 00, 00, 00, 86, BA, 00, 00...
 
[+]

Entropy:
6.3756

Code size:
30.5 KB (31,232 bytes)

Driver
Display name:
{e34ff9ce-e6b6-450a-ace7-3acd1926facd}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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