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{173745cd-3937-468f-98f6-d68898d32d98}w64.sys

findopolis

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {173745cd-3937-468f-98f6-d68898d32d98}w64.sys by findopolis has been detected as adware by 25 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{173745cd-3937-468f-98f6-d68898d32d98}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 findopolis)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
371a571f0068539577626839aa90e02d

SHA-1:
977931c10f67525b27511b89e600b09984a0d5db

SHA-256:
9322a3e1d81e504a5ce4b13524f117892493b1b3bbc024bb87384d3201d30fe6

Scanner detections:
25 / 68

Status:
Adware

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

Analysis date:
4/25/2024 6:02:16 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.W
357

Agnitum Outpost
Riskware.Agent
7.1.1

Avira AntiVirus
Adware/BrowseFox.aou
7.11.193.163

avast!
Win32:BrowseFox-CF [PUP]
2014.9-160212

AVG
Generic
2017.0.2835

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.16212

Bitdefender
Adware.SwiftBrowse.W
1.0.20.215

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

Comodo Security
ApplicUnwnt
20303

ESET NOD32
Win64/BrowseFox.BQ (variant)
10.10844

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

F-Secure
Adware.SwiftBrowse.W
11.2016-12-02_6

G Data
Adware.SwiftBrowse
16.2.24

K7 AntiVirus
Trojan
13.186.14270

McAfee
Artemis!CE9667C8E604
5600.6491

MicroWorld eScan
Adware.SwiftBrowse.W
17.0.0.129

NANO AntiVirus
Riskware.Win64.NetFilter.djsdte
0.28.6.63850

nProtect
Adware.SwiftBrowse.W
14.12.08.01

Panda Antivirus
Adware/BrowserFox
16.02.12.04

Qihoo 360 Security
Win32/Virus.Adware.731
1.0.0.1015

Reason Heuristics
PUP.Yontoo.findopolis (M)
16.2.12.16

Trend Micro House Call
TROJ_GEN.R08NC0EL114
7.2.43

Trend Micro
TROJ_GEN.R08NC0EL114
10.465.12

VIPRE Antivirus
Trojan.Win32.Generic
35538

Zillya! Antivirus
Adware.Yotoon.Win64.14
2.0.0.2000

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\{173745cd-3937-468f-98f6-d68898d32d98}w64.sys

Digital Signature
Signed by:
findopolis

Authority:
VeriSign, Inc.

Valid from:
1/8/2014 4:00:00 PM

Valid to:
1/9/2015 3:59:59 PM

Subject:
CN=findopolis, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=findopolis, 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:
41FD37ED8D644A11E361329013F51FC2

File PE Metadata
Compilation timestamp:
11/30/2014 2:29:15 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:lp7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3F1O:HFID6EGnLA8AFJTNEVmD

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:
6.3942

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{173745cd-3937-468f-98f6-d68898d32d98}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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