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{bbb14e79-8bca-4abd-b124-4d30f9a4e2ad}t.sys

ConstaSurf

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {bbb14e79-8bca-4abd-b124-4d30f9a4e2ad}t.sys by ConstaSurf has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a Windows kernel mode device driver named “{bbb14e79-8bca-4abd-b124-4d30f9a4e2ad}t”.
Publisher:
StdLib  (signed by ConstaSurf)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
fbd7b4d7c2acba3e086d0be78c53b9a1

SHA-1:
2634316125dde3ac10221c41f955dcd84e6f4431

SHA-256:
37ad4090690a3b0fd3b0b895ac7c3f12d62b9dc5b0f8a57980c5fea6c7028c8f

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
4/24/2024 11:40:40 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.9.22

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\{bbb14e79-8bca-4abd-b124-4d30f9a4e2ad}t.sys

Digital Signature
Signed by:
ConstaSurf

Authority:
VeriSign, Inc.

Valid from:
3/19/2014 7:00:00 AM

Valid to:
3/20/2015 6:59:59 AM

Subject:
CN=ConstaSurf, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=ConstaSurf, 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:
46A82C62F93896A2C29C94EC6C4D8A3D

File PE Metadata
Compilation timestamp:
7/31/2014 2:33:58 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

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:
{bbb14e79-8bca-4abd-b124-4d30f9a4e2ad}t

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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