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{fec5ad34-16a9-49f3-900d-0047502262c5}gw.sys

Glomatron

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {fec5ad34-16a9-49f3-900d-0047502262c5}gw.sys by Glomatron has been detected as adware by 29 anti-malware scanners. It runs as a Windows kernel mode device driver named “{fec5ad34-16a9-49f3-900d-0047502262c5}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 Glomatron)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
5b76e44a2e46a56fee6834cda36fa31c

SHA-1:
55d9ce7291a5eface03a7b7dd77a396358378f59

SHA-256:
4b9cc057076ae29f4f4f4417ce0ffa4524170e6e706e9d948e1c96699c65921b

Scanner detections:
29 / 68

Status:
Adware

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

Analysis date:
5/7/2024 5:53:18 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.Mplug.DC
368

Agnitum Outpost
PUA.Yotoon
7.1.1

avast!
MSIL:BrowseFox-AU [PUP]
2014.9-160202

AVG
Adware AdPlugin
2017.0.2846

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.1622

Bitdefender
Adware.Mplug.DC
1.0.20.165

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Swiftbrowse-79
0.98/20561

Comodo Security
TrojWare.Win32.AltBrowse.IZZV
20408

Dr.Web
Trojan.Yontoo.1741
9.0.1.033

Emsisoft Anti-Malware
Adware.Mplug.DC
8.16.02.02.11

ESET NOD32
Win64/BrowseFox.AK (variant)
10.10898

Fortinet FortiGate
Adware/BrowseFox
2/2/2016

F-Prot
W32/A-c99f2d8b
v6.4.7.1.166

F-Secure
Adware.Mplug.DC
11.2016-02-02_3

G Data
Adware.Mplug.DC
16.2.24

Kaspersky
not-a-virus:AdWare.Win32.Yotoon
14.0.0.723

McAfee
Artemis!F52CBB35562D
5600.6502

MicroWorld eScan
Adware.Mplug.DC
17.0.0.99

NANO AntiVirus
Riskware.Win32.Yotoon.ddghtt
0.28.6.64267

Norman
Adware.Mplug.DC
11.20160202

nProtect
Adware.Mplug.DC
14.12.18.01

Panda Antivirus
Trj/CI.A
16.02.02.11

Reason Heuristics
PUP.Yontoo.Glomatron (M)
16.2.2.11

Sophos
OutoBox
4.98

SUPERAntiSpyware
Adware.Yontoo/Variant
9348

Vba32 AntiVirus
AdWare.Win64.Yotoon
3.12.26.3

VIPRE Antivirus
Trojan.Win32.Generic
35844

Zillya! Antivirus
Adware.Yotoon.Win64.1
2.0.0.1911

File size:
51.7 KB (52,928 bytes)

Product version:
1.4.3.1

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win32 SYS)

Common path:
C:\Windows\System32\drivers\{fec5ad34-16a9-49f3-900d-0047502262c5}gw.sys

Digital Signature
Signed by:
Glomatron

Authority:
VeriSign, Inc.

Valid from:
2/4/2014 7:00:00 AM

Valid to:
2/5/2015 6:59:59 AM

Subject:
CN=Glomatron, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Glomatron, 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:
69C9F9EB400285E909E4D59CB9FD1A45

File PE Metadata
Compilation timestamp:
1/31/2014 7:45:28 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:ZIsHpnKHCBSqUPJHKQpkJxpKwT2bcWiJmOtX3g2rp3lnzKJr:2sHRKHLJqQpkYwTsiTtXxtAr

Entry address:
0xC03E

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 62, 50, FF, FF, CC, CC, 74, C1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, BC, C4, 00, 00, C0, A0, 00, 00, B4, C0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 12, C5, 00, 00, 00, A0, 00, 00, EC, C0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, AE, C8, 00, 00, 38, A0, 00, 00, C4, C0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, A6, C9, 00, 00, 10, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, EA, C4, 00, 00, FE, C4, 00, 00, D6, C4...
 
[+]

Entropy:
6.3540

Code size:
37 KB (37,888 bytes)

Driver
Display name:
{fec5ad34-16a9-49f3-900d-0047502262c5}Gw

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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