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{e844e171-0702-480a-abc8-39f79c8c6126}gw64.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}gw64.sys by PursuePoint has been detected as adware by 22 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{e844e171-0702-480a-abc8-39f79c8c6126}Gw64”. 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:
1.4.4.6 built by: WinDDK

MD5:
2230721c9bd1454f21f28f1ff373ed15

SHA-1:
658decca36d4913719e9027f04761d5feec6eaf9

SHA-256:
cc2d03079ee7dbe7936d54343d9e7a0e22a0bfcf8195181a6b1f93eb4e9a3566

Scanner detections:
22 / 68

Status:
Adware

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

Analysis date:
4/25/2024 7:11:37 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
379

Agnitum Outpost
Riskware.Agent
7.1.1

avast!
Win32:BrowseFox-GW [PUP]
2014.9-160122

AVG
Adware AdPlugin
2017.0.2857

Bitdefender
Adware.SwiftBrowse.CH
1.0.20.110

Bkav FE
W64.HfsAdware
1.3.0.6379

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

Dr.Web
Trojan.Yontoo.1814
9.0.1.022

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
8.16.01.22.11

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

F-Secure
Adware.SwiftBrowse.CH
11.2016-22-01_6

G Data
Adware.SwiftBrowse.CH
16.1.25

IKARUS anti.virus
AdWare.SpadeCast
t3scan.1.6.1.0

K7 AntiVirus
Adware
13.204.16083

MicroWorld eScan
Adware.SwiftBrowse.CH
17.0.0.66

Norman
Adware.SwiftBrowse.CH
11.20160122

nProtect
Adware.SwiftBrowse.CH
15.05.29.01

Reason Heuristics
PUP.Yontoo.PursuePoint (M)
16.1.22.11

Sophos
BrowseSmart
4.98

SUPERAntiSpyware
Adware.BrowseFox/Variant
9370

VIPRE Antivirus
Threat.4150696
40552

Zillya! Antivirus
Adware.Yotoon.Win64.14
2.0.0.2198

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\{e844e171-0702-480a-abc8-39f79c8c6126}gw64.sys

Digital Signature
Signed by:
PursuePoint

Authority:
VeriSign, Inc.

Valid from:
11/26/2013 4:00:00 PM

Valid to:
11/27/2014 3:59:59 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:
9/22/2014 12:01:54 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:lu7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3aW362/d:gFID6EGnLA8AFJTNEVmDa4

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:
6.3939

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{e844e171-0702-480a-abc8-39f79c8c6126}Gw64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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