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{35d31228-a1dd-4d11-a2ff-ef6ba162cebd}w.sys

Deal Keeper

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {35d31228-a1dd-4d11-a2ff-ef6ba162cebd}w.sys by Deal Keeper has been detected as adware by 24 anti-malware scanners. It runs as a Windows kernel mode device driver named “{35d31228-a1dd-4d11-a2ff-ef6ba162cebd}w”. 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 Deal Keeper)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
6bf914ef77dcbbbb744d0c4d47825b9c

SHA-1:
b179ab892e33705af3d8521b63857352ed7ceefd

SHA-256:
06eddd0467d7505b91b93a33ef9cee067e110052b630c5699689bcdf3533bf88

Scanner detections:
24 / 68

Status:
Adware

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

Analysis date:
5/2/2024 3:45:36 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.V
666

Agnitum Outpost
PUA.BrowseFox
7.1.1

Avira AntiVirus
Adware/BrowseFox.A.1227
7.11.184.74

avast!
Win32:BrowseFox-CE [PUP]
2014.9-150409

AVG
Generic
2016.0.3144

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.1549

Bitdefender
Adware.BrowseFox.V
1.0.20.495

Clam AntiVirus
Win.Adware.Netfilter-134
0.98/21411

Comodo Security
TrojWare.Win32.AltBrowse.IZZV
20053

Dr.Web
Tool.NetFilter.313
9.0.1.099

Emsisoft Anti-Malware
Adware.BrowseFox.V
8.15.04.09.12

ESET NOD32
Win32/RiskWare.NetFilter (variant)
9.10705

F-Prot
W32/A-76f53fd6
v6.4.7.1.166

F-Secure
Adware.BrowseFox.V
11.2015-09-04_5

G Data
Adware.BrowseFox
15.4.24

herdProtect (fuzzy)
variant of {1103a00c-1add-4bc5-b970-999b54d6bb68}gw.sys (Adware)
2015.7.12.8

MicroWorld eScan
Adware.BrowseFox.V
16.0.0.297

NANO AntiVirus
Riskware.Win32.NetFilter.dgkdox
0.28.6.62995

nProtect
Adware.BrowseFox.V
14.11.11.01

Qihoo 360 Security
Win32/Virus.Adware.618
1.0.0.1015

Reason Heuristics
PUP.Yontoo
15.4.9.8

Vba32 AntiVirus
AdWare.Win64.Yotoon
3.12.26.3

VIPRE Antivirus
Trojan.Win32.Generic
34702

Zillya! Antivirus
Backdoor.CPEX.Win32.29350
2.0.0.1981

File size:
42.1 KB (43,152 bytes)

Product version:
1.4.4.6

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win32 SYS)

Common path:
C:\Windows\System32\drivers\{35d31228-a1dd-4d11-a2ff-ef6ba162cebd}w.sys

Digital Signature
Signed by:
Deal Keeper

Authority:
VeriSign, Inc.

Valid from:
10/3/2014 3:00:00 AM

Valid to:
10/4/2015 2:59:59 AM

Subject:
CN=Deal Keeper, O=Deal Keeper, 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:
7EF25C76DC5DE0C0DAB13BC8ABAF9686

File PE Metadata
Compilation timestamp:
9/22/2014 10:01:51 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:uN0457WBZwpHs63E+X7BIrTsCEziDH+JgrVJddnksY:ShUcpH/0+LCf7EziDHhdesY

Entry address:
0xA03E

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 20, 70, FF, FF, CC, CC, 94, A1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, CE, A4, 00, 00, E0, 80, 00, 00, B4, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 24, A5, 00, 00, 00, 80, 00, 00, EC, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, A4, A9, 00, 00, 38, 80, 00, 00, C4, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 9C, AA, 00, 00, 10, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, FC, A4, 00, 00, 10, A5, 00, 00, E8, A4...
 
[+]

Code size:
28 KB (28,672 bytes)

Driver
Display name:
{35d31228-a1dd-4d11-a2ff-ef6ba162cebd}w

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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