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{2b929fe1-284b-4766-afb9-19b0915b99b0}t.sys

focusbase

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {2b929fe1-284b-4766-afb9-19b0915b99b0}t.sys by focusbase has been detected as adware by 15 anti-malware scanners. 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 focusbase)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
815a4435a0392f36ff5cbb3e452b0f80

SHA-1:
c309362384e04ccd07f5a0b138289d6aa1203c4c

SHA-256:
11331e7414164a18d4798952caea5c4a0a68c1bef0d066131e2a64a8d6ee6789

Scanner detections:
15 / 68

Status:
Adware

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

Analysis date:
5/5/2024 6:05:07 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Trojan.BPlug
7.1.1

Avira AntiVirus
Adware/SpadeCast.A.282
7.11.170.44

AVG
Generic
2015.0.3348

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.14917

Dr.Web
Trojan.BPlug.117
9.0.1.0260

herdProtect (fuzzy)
variant of {ba5bdfa6-01ff-443c-b8f1-b66ac8b14b6c}t.sys (Adware)
2014.11.21.18

IKARUS anti.virus
AdWare.SwiftBrowse
t3scan.1.7.5.0

McAfee
Artemis!815A4435A039
5600.7004

NANO AntiVirus
Trojan.Win32.BPlug.dcxxfx
0.28.2.61721

Panda Antivirus
Adware/BrowserFox
14.09.17.03

Reason Heuristics
PUP.focusbase.k
14.9.17.15

Trend Micro House Call
Suspicious_GEN.F47V0727
7.2.260

Vba32 AntiVirus
AdWare.Win64.Yotoon
3.12.26.3

VIPRE Antivirus
Threat.4150696
32210

Zillya! Antivirus
Adware.Yotoon.Win64.2
2.0.0.1900

File size:
53.9 KB (55,232 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\{2b929fe1-284b-4766-afb9-19b0915b99b0}t.sys

Digital Signature
Signed by:
focusbase

Authority:
VeriSign, Inc.

Valid from:
4/21/2014 7:00:00 PM

Valid to:
4/22/2015 6:59:59 PM

Subject:
CN=focusbase, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=focusbase, 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:
229BE95AFAF17766126629CC0A897C5F

File PE Metadata
Compilation timestamp:
1/30/2014 6:46:38 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:VZbP7EDNtMTw/RWDjR/McKV5qEXGBJgxgZ+4AOmvtnBU6+RRsYBd:vP7EJSTukuzTrGYs+JNBUtRBd

Entry address:
0xA73E

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, CA, E3, FF, FF, CC, CC, B4, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 84, AB, 00, 00, 94, 90, 00, 00, A0, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, BA, AB, 00, 00, 80, 90, 00, 00, AC, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, D6, 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, A6, AB, 00, 00, 92, AB, 00, 00, 00, 00, 00, 00, C2, AB, 00, 00, 00, 00, 00, 00, AC, A8, 00, 00, C4, A8, 00, 00, D6, A8...
 
[+]

Entropy:
6.3480

Code size:
36.3 KB (37,120 bytes)

Remove {2b929fe1-284b-4766-afb9-19b0915b99b0}t.sys - Powered by Reason Core Security
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