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{be5bf058-a067-4076-8c2e-22b9345a0260}gw.sys

Klip Pal

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {be5bf058-a067-4076-8c2e-22b9345a0260}gw.sys by Klip Pal has been detected as adware by 8 anti-malware scanners. It runs as a Windows kernel mode device driver named “{be5bf058-a067-4076-8c2e-22b9345a0260}Gw”. 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 Klip Pal)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
208babcc2339f33dd303087c7719ddae

SHA-1:
ab592b9ee827c95147d87d19d2b6ab4d6f936a48

SHA-256:
e16c9bc19962f0310cb56463ce5452dc1a5503645252994957e2c7d82c29c97a

Scanner detections:
8 / 68

Status:
Adware

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

Analysis date:
4/25/2024 8:39:37 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.BrowseFox
2014.09.19

Avira AntiVirus
Adware/BrowseFox.A.168
7.11.173.24

AVG
Generic
2015.0.3348

Comodo Security
Application.Win32.RiskWare.NetFilter.D
19547

Dr.Web
hacktool program Tool.NetFilter.1
9.0.1.0260

herdProtect (fuzzy)
variant of {be5bf058-a067-4076-8c2e-22b9345a0260}w.sys (Adware)
2014.11.22.12

NANO AntiVirus
Riskware.Win32.Yotoon.dfewso
0.28.2.62151

Reason Heuristics
PUP.KlipPal.l
14.9.17.20

File size:
38.1 KB (39,056 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\{be5bf058-a067-4076-8c2e-22b9345a0260}gw.sys

Digital Signature
Signed by:
Klip Pal

Authority:
VeriSign, Inc.

Valid from:
8/4/2014 6:00:00 PM

Valid to:
8/5/2015 5:59:59 PM

Subject:
CN=Klip Pal, O=Klip Pal, L=Santa Monica, 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:
59A8A4CF2048A90F9AE8754A98A645E4

File PE Metadata
Compilation timestamp:
9/12/2014 5:32:59 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:2f5OQ5p9MZq9Vkh5z8tZfJm/6D1GqA+5+TFpEwXyJ:2f5H5pH+x8t1c/+Gd+5/4

Entry address:
0x903E

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 20, 80, FF, FF, CC, CC, 74, 91, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, AE, 94, 00, 00, C0, 70, 00, 00, B4, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 04, 95, 00, 00, 00, 70, 00, 00, EC, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, A0, 98, 00, 00, 38, 70, 00, 00, C4, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 98, 99, 00, 00, 10, 70, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, DC, 94, 00, 00, F0, 94, 00, 00, C8, 94...
 
[+]

Entropy:
6.6574

Code size:
24.5 KB (25,088 bytes)

Driver
Display name:
{be5bf058-a067-4076-8c2e-22b9345a0260}Gw

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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