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{e844e171-0702-480a-abc8-39f79c8c6126}w64.sys

PursuePoint

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {e844e171-0702-480a-abc8-39f79c8c6126}w64.sys by PursuePoint has been detected as adware by 24 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{e844e171-0702-480a-abc8-39f79c8c6126}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 PursuePoint)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
14552cf194cc5fe06458ebbf1a2371cb

SHA-1:
fa0f250619d6b1fcd0ac49ad6c08b7d253313e32

SHA-256:
e4744bbce30627ab38fd5ab0978a1c02e33fe2bc0b6d6c2be0292562f87b7bf3

Scanner detections:
24 / 68

Status:
Adware

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

Analysis date:
4/26/2024 11:38:56 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.NetFilter.E
374

Agnitum Outpost
Trojan.BPlug
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2015.03.18

avast!
Win32:BrowseFox-GW [PUP]
2014.9-160127

AVG
AdInstaller.WebCake
2017.0.2852

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.16127

Bitdefender
Adware.NetFilter.E
1.0.20.135

Clam AntiVirus
Win.Adware.Swiftbrowse-75
0.98/21511

Dr.Web
Trojan.BPlug.123
9.0.1.027

Emsisoft Anti-Malware
Adware.NetFilter
8.16.01.27.09

F-Prot
W64/A-e967bae2
v6.4.7.1.166

F-Secure
Adware.NetFilter.E
11.2016-27-01_4

G Data
Adware.NetFilter
16.1.25

IKARUS anti.virus
AdWare.SpadeCast
t3scan.1.7.5.0

McAfee
Artemis!39391A2012A1
5600.6508

MicroWorld eScan
Adware.NetFilter.E
17.0.0.81

nProtect
Adware.NetFilter.E
15.03.17.01

Reason Heuristics
PUP.Yontoo.PursuePoint (M)
16.1.27.9

Sophos
BrowseSmart
4.98

SUPERAntiSpyware
Adware.NetFilter/Variant
9360

Trend Micro House Call
HS_BROWSEFOX.SM
7.2.27

Trend Micro
HS_BROWSEFOX.SM
10.465.27

VIPRE Antivirus
Trojan.Win32.Generic
38512

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.2103

File size:
59.7 KB (61,120 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\{e844e171-0702-480a-abc8-39f79c8c6126}w64.sys

Digital Signature
Signed by:
PursuePoint

Authority:
VeriSign, Inc.

Valid from:
11/27/2013 12:00:00 AM

Valid to:
11/27/2014 11:59:59 PM

Subject:
CN=PursuePoint, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=PursuePoint, 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:
65588529ED634E296695EE3328858CB2

File PE Metadata
Compilation timestamp:
1/31/2014 12:45:30 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:hot2dxF9O8ZF33iqiIy938bWp9XcfBvJkowidIP3eO:h9JRicy938ip9ea1jGO

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:
5.9652

Code size:
46.5 KB (47,616 bytes)

Driver
Display name:
{e844e171-0702-480a-abc8-39f79c8c6126}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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