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{b1ce3ece-1927-4e6e-b064-2f9628964a7a}t.sys

HypeNet

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {b1ce3ece-1927-4e6e-b064-2f9628964a7a}t.sys by HypeNet has been detected as adware by 11 anti-malware scanners. It runs as a Windows kernel mode device driver named “{b1ce3ece-1927-4e6e-b064-2f9628964a7a}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 HypeNet)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
84db6d90a7b66476d109605173b60dd0

SHA-1:
ab878cb01168f2cedc637c818fbe1c00647da494

SHA-256:
f4b9db55473359f56a399eace7a595e47072b2acf8094c568e532d6f67442aba

Scanner detections:
11 / 68

Status:
Adware

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

Analysis date:
4/25/2024 5:15:56 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Yotoon
7.1.1

Avira AntiVirus
Adware/BrowseFox.A.282
7.11.182.116

AVG
Hypeet
2015.0.3305

Clam AntiVirus
Win.Adware.Agent-12778
0.98/21411

ESET NOD32
Win32/BrowseFox (variant)
8.10646

F-Prot
W32/A-caf5c463
v6.4.7.1.166

IKARUS anti.virus
PUA.RiskWare.NetFilter
t3scan.1.8.3.0

NANO AntiVirus
Riskware.Win32.Yotoon.denstu
0.28.6.62995

Reason Heuristics
PUP.HypeNet.k
14.10.30.3

Vba32 AntiVirus
AdWare.Yotoon
3.12.26.3

VIPRE Antivirus
Threat.4150696
34232

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)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{b1ce3ece-1927-4e6e-b064-2f9628964a7a}t.sys

Digital Signature
Signed by:
HypeNet

Authority:
VeriSign, Inc.

Valid from:
1/9/2014 1:00:00 AM

Valid to:
1/10/2015 12:59:59 AM

Subject:
CN=HypeNet, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=HypeNet, 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:
1FBAF70F51194AE01BD4FAB2931DA43A

File PE Metadata
Compilation timestamp:
8/7/2014 1:52:31 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:yOnnE+ZwNszUTw/RqzGojR/h3cKG45q30XGBUuJ0xEkMHd8OagKmvz11/6RRRB/N:5nERxTukHzTrGCuGOVh1/yR7N

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:
{b1ce3ece-1927-4e6e-b064-2f9628964a7a}t

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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