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{a459d632-5225-4bb9-9a0b-002544d16f6e}t.sys

BatBrowse

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {a459d632-5225-4bb9-9a0b-002544d16f6e}t.sys by BatBrowse has been detected as adware by 19 anti-malware scanners. It runs as a Windows kernel mode device driver named “{a459d632-5225-4bb9-9a0b-002544d16f6e}t”. 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 BatBrowse)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
0cf869271ee6eeaf5fb10247549d5550

SHA-1:
a1e3a1d77def9930c90f0fa9debeee0d05ca396c

Scanner detections:
19 / 68

Status:
Adware

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

Analysis date:
4/19/2024 3:47:28 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Trojan.BPlug
7.1.1

avast!
Win32:BrowseFox-CZ [PUP]
2014.9-160213

AVG
Generic
2017.0.2834

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.16213

Bkav FE
W32.BrowseFoxM.Adware
1.3.0.6379

Comodo Security
TrojWare.Win32.AltBrowse.IZZV
21212

Dr.Web
Trojan.BPlug.117
9.0.1.044

ESET NOD32
Win32/Komodia.A potentially unsafe (variant)
10.11233

F-Prot
W32/A-dd00b781
v6.4.7.1.166

IKARUS anti.virus
AdWare.SwiftBrowse
t3scan.1.6.1.0

McAfee
Artemis!7476EB05D4EF
5600.6490

NANO AntiVirus
Trojan.Win32.BPlug.dcxxfx
0.28.2.61942

Reason Heuristics
PUP.Yontoo.BatBrowse (M)
16.2.13.21

Sophos
Browse Fox
4.98

SUPERAntiSpyware
Trojan.Agent/Gen-NetFilter
9325

Trend Micro House Call
Suspicious_GEN.F47V0617
7.2.44

Vba32 AntiVirus
AdWare.Yotoon
3.12.26.3

VIPRE Antivirus
Trojan.Win32.Generic
31306

Zillya! Antivirus
Adware.Yotoon.Win64.2
2.0.0.2080

File size:
53.8 KB (55,096 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\{a459d632-5225-4bb9-9a0b-002544d16f6e}t.sys

Digital Signature
Signed by:
BatBrowse

Authority:
VeriSign, Inc.

Valid from:
10/7/2013 3:00:00 AM

Valid to:
10/8/2014 2:59:59 AM

Subject:
CN=BatBrowse, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=BatBrowse, L=San Diego, 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:
3F7DCC78325FB87F0EDAB32A56DD2A54

File PE Metadata
Compilation timestamp:
8/7/2014 2:52:31 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:LOnnE+ZwNszUTw/RqzGojR/h3cKG45q30XGBUuJ0xEkMHd8OagKmvz11/6RRRhZg:onERxTukHzTrGCuGOVh1/yRG

Entry address:
0xA6BE

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 4A, E4, FF, FF, CC, CC, 34, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 04, AB, 00, 00, 94, 90, 00, 00, 20, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 3A, AB, 00, 00, 80, 90, 00, 00, 2C, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 56, AB, 00, 00, 8C, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 26, AB, 00, 00, 12, AB, 00, 00, 00, 00, 00, 00, 42, AB, 00, 00, 00, 00, 00, 00, 2C, A8, 00, 00, 44, A8, 00, 00, 56, A8...
 
[+]

Code size:
36.3 KB (37,120 bytes)

Driver
Display name:
{a459d632-5225-4bb9-9a0b-002544d16f6e}t

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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