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{1007bb60-cbfa-4fb2-991d-e8357416f5fb}t.sys

Bizzybolt

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {1007bb60-cbfa-4fb2-991d-e8357416f5fb}t.sys by Bizzybolt 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 “{1007bb60-cbfa-4fb2-991d-e8357416f5fb}t”.
Publisher:
StdLib  (signed by Bizzybolt)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
5eeee56d84805c1fdef60684fa74f745

SHA-1:
4c36bf45d4d4b93b331f64d437b7cb50891c11b1

SHA-256:
55fa4ebda6f2491c0ad80b697e590fe08a714a51c9b8e2f0903357d32012c0e3

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:
12/25/2024 12:38:38 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.Bizzybolt (M)
16.1.26.14

File size:
54.5 KB (55,824 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\{1007bb60-cbfa-4fb2-991d-e8357416f5fb}t.sys

Digital Signature
Signed by:
Bizzybolt

Authority:
VeriSign, Inc.

Valid from:
11/5/2014 5:30:00 AM

Valid to:
12/6/2015 5:29:59 AM

Subject:
CN=Bizzybolt, O=Bizzybolt, 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:
470ECE4348EF28A235A2D9E57351E91B

File PE Metadata
Compilation timestamp:
11/6/2014 6:17:51 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:0o6LohZZMITF7zKLV3fXoKKxaFtFkW4VIWPLqvH9EQZLN+p60Ce3ZKz:0o6+pT1UvYDEHFV4nPe/kpvCeJc

Entry address:
0xA9BE

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 2A, E4, FF, FF, CC, CC, 34, AA, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 04, AE, 00, 00, 94, 93, 00, 00, 20, AA, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 3A, AE, 00, 00, 80, 93, 00, 00, 2C, AA, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 56, AE, 00, 00, 8C, 93, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 26, AE, 00, 00, 12, AE, 00, 00, 00, 00, 00, 00, 42, AE, 00, 00, 00, 00, 00, 00, 2C, AB, 00, 00, 44, AB, 00, 00, 56, AB...
 
[+]

Entropy:
6.3459

Code size:
37 KB (37,888 bytes)

Driver
Display name:
{1007bb60-cbfa-4fb2-991d-e8357416f5fb}t

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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