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{79927c88-3ad2-4cc2-b84e-7c2db334abab}w64.sys

WiseEnhance

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {79927c88-3ad2-4cc2-b84e-7c2db334abab}w64.sys by WiseEnhance has been detected as adware by 28 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{79927c88-3ad2-4cc2-b84e-7c2db334abab}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 WiseEnhance)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
600aca4646dc5522487d0f4e3dd2b64f

SHA-1:
b69cd17bee2f6c85a454cbbc0bdc173815e9cb98

SHA-256:
9195552aacc78bb9fe13056b6f75ae6a9a4f2846b7e132c5b15762568073ef42

Scanner detections:
28 / 68

Status:
Adware

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

Analysis date:
4/19/2024 11:07:42 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
354

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
Win-PUP/BrowseFox.Gen
2015.03.30

Avira AntiVirus
ADWARE/BrowseFox.apc
3.6.1.96

avast!
MSIL:BrowseFox-BO [PUP]
2014.9-160215

AVG
Generic
2017.0.2832

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.16215

Bitdefender
Adware.SwiftBrowse.CH
1.0.20.230

Bkav FE
W64.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Swiftbrowse-497
0.98/21511

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
8.16.02.15.06

ESET NOD32
Win64/BrowseFox (variant)
10.10542

F-Prot
W64/A-59c9c70a
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.CH
11.2016-15-02_2

G Data
Adware.SwiftBrowse.CH
16.2.25

K7 AntiVirus
Adware
13.202.15417

McAfee
Artemis!9CA42563D176
5600.6488

MicroWorld eScan
Adware.SwiftBrowse.CH
17.0.0.138

Norman
Adware.SwiftBrowse.CH
11.20160215

nProtect
Adware.SwiftBrowse.CH
15.03.27.01

Qihoo 360 Security
Win32/Virus.Adware.d67
1.0.0.1015

Reason Heuristics
PUP.Yontoo.WiseEnhance (M)
16.2.15.18

Sophos
Browse Fox
4.98

SUPERAntiSpyware
Adware.BrowseFox/Variant
9321

Trend Micro House Call
HS_BROWSEFOX.SM
7.2.46

Trend Micro
HS_BROWSEFOX.SM
10.465.15

VIPRE Antivirus
Trojan.Win32.Generic
38874

Zillya! Antivirus
Adware.Yotoon.Win64.14
2.0.0.2120

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\{79927c88-3ad2-4cc2-b84e-7c2db334abab}w64.sys

Digital Signature
Signed by:
WiseEnhance

Authority:
VeriSign, Inc.

Valid from:
1/9/2014 4:00:00 AM

Valid to:
1/10/2015 3:59:59 AM

Subject:
CN=WiseEnhance, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=WiseEnhance, 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:
31A5491EFDDBA1099808F5647A45617E

File PE Metadata
Compilation timestamp:
12/2/2014 3:45:42 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:lBl7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3APa:ZFID6EGnLA8AFJTNEVmD+a

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:
6.3937

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{79927c88-3ad2-4cc2-b84e-7c2db334abab}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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