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{55dce8ba-9dec-4013-937e-adbf9317d990}w64.sys

Deal Keeper

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {55dce8ba-9dec-4013-937e-adbf9317d990}w64.sys by Deal Keeper has been detected as adware by 28 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{55dce8ba-9dec-4013-937e-adbf9317d990}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 Deal Keeper)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
5cdf31a84b748b9bb7b3d262194c3195

SHA-1:
292b3209342522b6fbe941cfec3e9b1034684b94

SHA-256:
b3479243eb5c25f31d357caeb28bf9e198be1dfd4887200ebb53f6ca66a6ce09

Scanner detections:
28 / 68

Status:
Adware

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

Analysis date:
4/25/2024 12:26:35 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.L
868

Agnitum Outpost
Riskware.NetFilter
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2014.09.18

avast!
Win64:Malware-gen
2014.9-140919

AVG
Generic
2015.0.3346

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.14919

Bitdefender
Adware.SwiftBrowse.L
1.0.20.1310

Clam AntiVirus
Win.Adware.Swiftbrowse-75
0.98/21411

Comodo Security
UnclassifiedMalware
18740

Dr.Web
Tool.NetFilter.1
9.0.1.0262

Emsisoft Anti-Malware
Adware.SwiftBrowse.L
8.14.09.19.06

ESET NOD32
Win64/Riskware.NetFilter (variant)
8.10434

F-Prot
W64/A-e967bae2
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.L
11.2014-19-09_6

G Data
Adware.SwiftBrowse
14.9.24

herdProtect (fuzzy)
variant of {3c3ae2b4-4a36-40c4-a356-ffc1820b7ece}gw64.sys (Adware)
2014.11.30.4

IKARUS anti.virus
AdWare.SpadeCast
t3scan.1.6.1.0

Malwarebytes
PUP.Optional.NetFilter
v2014.09.19.06

McAfee
Artemis!5D523940819C
5600.7002

MicroWorld eScan
Adware.SwiftBrowse.L
15.0.0.786

nProtect
Adware.SwiftBrowse.L
14.05.23.01

Panda Antivirus
Adware/BrowserFox
14.11.29.11

Qihoo 360 Security
Win32/Trojan.RiskWare.a25
1.0.0.1015

Reason Heuristics
PUP.DealKeeper.m
14.9.19.19

Sophos
Browse Fox
4.98

Trend Micro House Call
TROJ_GEN.F47V0523
7.2.262

VIPRE Antivirus
Yontoo
33214

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.1899

File size:
43.6 KB (44,688 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\{55dce8ba-9dec-4013-937e-adbf9317d990}w64.sys

Digital Signature
Signed by:
Deal Keeper

Authority:
VeriSign, Inc.

Valid from:
7/22/2014 4:00:00 AM

Valid to:
5/13/2015 3:59:59 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:
2D5A91A625D274EE29AFF6E5DC4A33AC

File PE Metadata
Compilation timestamp:
9/13/2014 3:33:02 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:VgLmaZF8aSQ7DwZmEhzg8ClFHeDrTdRfsQCa5075YLwidHYoz:G5ZEQI8E7ClquaC759Eh

Entry address:
0xB064

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, C6, 60, FF, FF, CC, CC, 38, B2, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 1C, B6, 00, 00, 60, 81, 00, 00, 28, B1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, BE, B9, 00, 00, 50, 80, 00, 00, D8, B0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, B6, BA, 00, 00, 00, 80, 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, BA, 00, 00, 00, 00, 00, 00, 86, BA, 00, 00...
 
[+]

Entropy:
6.3763

Code size:
30.5 KB (31,232 bytes)

Driver
Display name:
{55dce8ba-9dec-4013-937e-adbf9317d990}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.