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{825c5be7-672f-4c14-9929-48a3a5e1a660}t.sys

Rock Turner

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {825c5be7-672f-4c14-9929-48a3a5e1a660}t.sys by Rock Turner has been detected as adware by 23 anti-malware scanners. It runs as a Windows kernel mode device driver named “{825c5be7-672f-4c14-9929-48a3a5e1a660}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 Rock Turner)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
357af4fc699d6e5aec0e13d04f077f6d

SHA-1:
dc55db7303080605e9cb8dbac4a72fe7e8c50863

Scanner detections:
23 / 68

Status:
Adware

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

Analysis date:
4/18/2024 1:28:12 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Yotoon
7.1.1

AhnLab V3 Security
Win-PUP/BrowseFox.Gen
2015.01.31

Avira AntiVirus
Adware/BrowseFox.A.282
7.11.206.26

avast!
Win32:BrowseFox-EW [PUP]
2014.9-160212

AVG
Rocktur
2017.0.2836

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.16212

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Agent-12778
0.98/21511

Comodo Security
TrojWare.Win32.AltBrowse.IZZV
20902

Dr.Web
Trojan.BPlug.309
9.0.1.043

ESET NOD32
Win64/BrowseFox.J potentially unwanted application
10.7.0.302.0

F-Prot
W32/A-caf5c463
v6.4.7.1.166

IKARUS anti.virus
PUA.RiskWare.NetFilter
t3scan.1.8.6.0

K7 AntiVirus
Trojan
13.190.14585

McAfee
Artemis!E738765994E0
5600.6492

NANO AntiVirus
Riskware.Win32.Yotoon.denstu
0.30.0.65070

Qihoo 360 Security
Win32/Virus.Adware.720
1.0.0.1015

Reason Heuristics
PUP.Yontoo.RockTurner (M)
16.2.12.6

SUPERAntiSpyware
Adware.BrowseFox
9328

Trend Micro House Call
Suspicious_GEN.F47V0710
7.2.43

Vba32 AntiVirus
AdWare.Yotoon
3.12.26.3

VIPRE Antivirus
Threat.4150696
36666

Zillya! Antivirus
Adware.Yotoon.Win64.6
2.0.0.2049

File size:
53.8 KB (55,104 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\{825c5be7-672f-4c14-9929-48a3a5e1a660}t.sys

Digital Signature
Signed by:
Rock Turner

Authority:
VeriSign, Inc.

Valid from:
3/14/2014 7:00:00 AM

Valid to:
3/15/2015 6:59:59 AM

Subject:
CN=Rock Turner, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Rock Turner, 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:
71A33D3A2D147E26FB179221834AF81F

File PE Metadata
Compilation timestamp:
8/7/2014 6:52:31 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:GOnnE+ZwNszUTw/RqzGojR/h3cKG45q30XGBUuJ0xEkMHd8OagKmvz11/6RRRdc:NnERxTukHzTrGCuGOVh1/yRY

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:
{825c5be7-672f-4c14-9929-48a3a5e1a660}t

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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