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{7f6d153f-9819-4c98-96fb-5c6aa213f0ea}w.sys

lookinglink

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {7f6d153f-9819-4c98-96fb-5c6aa213f0ea}w.sys by lookinglink 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 “{7f6d153f-9819-4c98-96fb-5c6aa213f0ea}w”.
Publisher:
StdLib  (signed by lookinglink)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
b9706db0ded2062f0d0557dad1a01f48

SHA-1:
3690ed9c5cfbd5341eda96d76130fad653b16a8f

SHA-256:
b50f582b81bc59d81706dac383f885a4a275d7a62b1e82cf2bc7841c5c557770

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:
5/14/2024 7:09:03 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.2.12.7

File size:
51.2 KB (52,416 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\{7f6d153f-9819-4c98-96fb-5c6aa213f0ea}w.sys

Digital Signature
Signed by:
lookinglink

Authority:
VeriSign, Inc.

Valid from:
11/27/2013 5:30:00 AM

Valid to:
11/28/2014 5:29:59 AM

Subject:
CN=lookinglink, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=lookinglink, 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:
3196DD72CC98341089CB73C9BA4B6429

File PE Metadata
Compilation timestamp:
8/7/2014 5:22:14 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

Entry address:
0xC03E

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 62, 50, FF, FF, CC, CC, 74, C1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, BC, C4, 00, 00, C0, A0, 00, 00, B4, C0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 12, C5, 00, 00, 00, A0, 00, 00, EC, C0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, AE, C8, 00, 00, 38, A0, 00, 00, C4, C0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, A6, C9, 00, 00, 10, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, EA, C4, 00, 00, FE, C4, 00, 00, D6, C4...
 
[+]

Entropy:
6.3824

Code size:
37 KB (37,888 bytes)

Driver
Display name:
{7f6d153f-9819-4c98-96fb-5c6aa213f0ea}w

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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