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{d1377c30-1cf3-4e6f-ae8b-e1fab3664710}t.sys

BetterBrowse

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {d1377c30-1cf3-4e6f-ae8b-e1fab3664710}t.sys by BetterBrowse has been detected as adware by 8 anti-malware scanners. It runs as a Windows kernel mode device driver named “{d1377c30-1cf3-4e6f-ae8b-e1fab3664710}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 BetterBrowse)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
5ee859bd7fb5d832d9f5657c819cb1a4

SHA-1:
fdcb12453c374df8497aff420d905ec4ea1732cf

SHA-256:
31be7d53e23c7b4a47967c7e3d5e8fa1fcfc8920a9679f1d291c6048286fb764

Scanner detections:
8 / 68

Status:
Adware

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

Analysis date:
4/26/2024 4:03:07 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Betbro
2017.0.2835

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.16213

Dr.Web
Trojan.BPlug.117
9.0.1.044

IKARUS anti.virus
AdWare.SwiftBrowse
t3scan.1.7.5.0

NANO AntiVirus
Trojan.Win32.BPlug.dcxxfx
0.28.2.61519

Reason Heuristics
PUP.Yontoo.BetterBrowse (M)
16.2.13.4

Vba32 AntiVirus
AdWare.Win64.Yotoon
3.12.26.3

VIPRE Antivirus
Threat.4150696
32210

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\{d1377c30-1cf3-4e6f-ae8b-e1fab3664710}t.sys

Digital Signature
Signed by:
BetterBrowse

Authority:
VeriSign, Inc.

Valid from:
9/27/2013 2:00:00 AM

Valid to:
9/28/2015 1:59:59 AM

Subject:
CN=BetterBrowse, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=BetterBrowse, 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:
12F4B87646B8BAF069AA302DE756FE85

File PE Metadata
Compilation timestamp:
1/31/2014 1:46:38 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:VtbP7EDNtMTw/RWDjR/McKV5qEXGBJgxgZ+4AOmvtnBU6+RRISm:jP7EJSTukuzTrGYs+JNBUtRe

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...
 
[+]

Code size:
36.3 KB (37,120 bytes)

Driver
Display name:
{d1377c30-1cf3-4e6f-ae8b-e1fab3664710}t

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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