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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 30 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:
d95d8a16024b84eae37751d862c4564b

SHA-1:
8493cc40f35d99545b15a136bb96f8c5c78f0d4c

SHA-256:
d6fdd8efc5ace42d895038eec43868a90a142fed9de4adb645abe4053413a424

Scanner detections:
30 / 68

Status:
Adware

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

Analysis date:
4/19/2024 9:42:09 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.Mplug.DC
5753978

Agnitum Outpost
PUA.Yotoon
7.1.1

Arcabit
Adware.Mplug.DC
1.0.0.425

avast!
MSIL:BrowseFox-AU [PUP]
150602-1

AVG
Adware AdPlugin.CXA
2015.0.4355

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.15611

Bitdefender
Adware.Mplug.DC
1.0.20.810

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
9.0.1.05190

Emsisoft Anti-Malware
Adware.Mplug.DC
10.0.0.5366

ESET NOD32
Win32/NetFilter.A potentially unsafe application
7.0.302.0

Fortinet FortiGate
Adware/BrowseFox
6/11/2015

F-Prot
W32/A-c99f2d8b
v6.4.7.1.166

F-Secure
Adware.Mplug.DC
5.14.151

G Data
Adware.Mplug.DC
15.6.24

Kaspersky
not-a-virus:AdWare.Win32.Yotoon
15.0.0.543

McAfee
Artemis!F52CBB35562D
5600.6737

MicroWorld eScan
Adware.Mplug.DC
16.0.0.486

NANO AntiVirus
Riskware.Win32.Yotoon.ddghtt
0.28.6.64267

Norman
Adware.Mplug.DC
02.06.2015 14:23:46

nProtect
Adware.Mplug.DC
14.12.18.01

Panda Antivirus
Trj/CI.A
15.06.11.06

Reason Heuristics
PUP.Yontoo.Glomatron
15.6.11.18

Sophos
OutoBox
4.98

SUPERAntiSpyware
Adware.Yontoo/Variant
9819

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)

Language:
English (United States)

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 5:30:00 AM

Valid to:
2/5/2015 5:29:59 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 6:15:28 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:+IsHpnKHCBSqUPJHKQpkJxpKwT2bcWiJmOtX3g2rp3lnzKJk:ZsHRKHLJqQpkYwTsiTtXxtAk

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:
6.3533

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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