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{3bcf4f2c-0bbb-4d4c-bf1f-11bbe6d501ea}t.sys

Web Tripp

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {3bcf4f2c-0bbb-4d4c-bf1f-11bbe6d501ea}t.sys by Web Tripp 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 “{3bcf4f2c-0bbb-4d4c-bf1f-11bbe6d501ea}t”.
Publisher:
StdLib  (signed by Web Tripp)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
275ef9d28847325bf857cf67359524db

SHA-1:
746eb3e06699007b79b1644c734848629fe2493b

SHA-256:
ea60b8fc78b9f7ffd2364a3770987fa5fbb24c28190bbf0cbca20e8cc00035ab

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:
12/3/2024 5:59:13 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.11.13

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\{3bcf4f2c-0bbb-4d4c-bf1f-11bbe6d501ea}t.sys

Digital Signature
Signed by:
Web Tripp

Authority:
VeriSign, Inc.

Valid from:
10/28/2014 5:00:00 PM

Valid to:
10/11/2015 4:59:59 PM

Subject:
CN=Web Tripp, O=Web Tripp, 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:
2F541276F5315F0F251C1CE5137A431B

File PE Metadata
Compilation timestamp:
5/16/2015 3:55:13 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

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:
6.3453

Code size:
37 KB (37,888 bytes)

Driver
Display name:
{3bcf4f2c-0bbb-4d4c-bf1f-11bbe6d501ea}t

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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