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{e844e171-0702-480a-abc8-39f79c8c6126}t.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}t.sys by PursuePoint has been detected as adware by 19 anti-malware scanners. It runs as a Windows kernel mode device driver named “{e844e171-0702-480a-abc8-39f79c8c6126}t”. 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:
418f38de316ed7c1b6db01a6b70c366b

SHA-1:
46c0cbe3f67facfa1178dbbe368c4e7624e8e087

SHA-256:
95ee838701a3fe8e3d696f9754504e8ed1c4c1c65987b0ee6a9ed8cb0aa5eaf3

Scanner detections:
19 / 68

Status:
Adware

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

Analysis date:
4/19/2024 10:53:45 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

Avira AntiVirus
ADWARE/BrowseFox.A.28
8.3.1.6

avast!
Win32:BrowseFox-GW [PUP]
2014.9-160121

AVG
Adware AdInstaller.WebCake
2017.0.2858

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.16121

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Netfilter-130
0.98/21511

Comodo Security
TrojWare.Win32.AltBrowse.IZZV
22276

Dr.Web
Trojan.Yontoo.1814
9.0.1.021

F-Prot
W32/A-b3b70cb0
v6.4.7.1.166

IKARUS anti.virus
AdWare.SwiftBrowse
t3scan.1.6.1.0

McAfee
Artemis!B8D47E0515AA
5600.6514

NANO AntiVirus
Riskware.Win32.NetFilter.dgqvkd
0.30.24.1636

Reason Heuristics
PUP.Yontoo.PursuePoint (M)
16.1.21.11

Sophos
PUA 'PursuePoint' (of type Adware)
5.14

Trend Micro House Call
Suspicious_GEN.F47V0615
7.2.21

Vba32 AntiVirus
AdWare.Yotoon
3.12.26.4

VIPRE Antivirus
Threat.4150696
40552

Zillya! Antivirus
Adware.Yotoon.Win64.10
2.0.0.2198

File size:
53.9 KB (55,232 bytes)

Product version:
1.4.3.1

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win32 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{e844e171-0702-480a-abc8-39f79c8c6126}t.sys

Digital Signature
Signed by:
PursuePoint

Authority:
VeriSign, Inc.

Valid from:
11/26/2013 6:00:00 PM

Valid to:
11/27/2014 5:59:59 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:
1/30/2014 6:46:38 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:VPCbP7EDNtMTw/RWDjR/McKV5qEXGBJgxgZ+4AOmvtnBU6+RRI3AV:16P7EJSTukuzTrGYs+JNBUtRJV

Entry address:
0xA73E

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, CA, E3, FF, FF, CC, CC, B4, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 84, AB, 00, 00, 94, 90, 00, 00, A0, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, BA, AB, 00, 00, 80, 90, 00, 00, AC, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, D6, AB, 00, 00, 8C, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, A6, AB, 00, 00, 92, AB, 00, 00, 00, 00, 00, 00, C2, AB, 00, 00, 00, 00, 00, 00, AC, A8, 00, 00, C4, A8, 00, 00, D6, A8...
 
[+]

Entropy:
6.3497

Code size:
36.3 KB (37,120 bytes)

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

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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