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{fe0d951b-f1e9-4cbc-8054-78c95ed14cc5}t64.sys

Storimbo

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {fe0d951b-f1e9-4cbc-8054-78c95ed14cc5}t64.sys by Storimbo 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 64-bit kernel mode device driver named “{fe0d951b-f1e9-4cbc-8054-78c95ed14cc5}t64”.
Publisher:
StdLib  (signed by Storimbo)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
293bd34ed6eb2380e3e614162639f2c2

SHA-1:
82fc08ff0c0148e78aae3d1cf4a096917d35dcd9

SHA-256:
2a43142e8b81e56eff7896e5891859cc925f3d377e7dad8c782fc3f04271ae7a

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:
4/26/2024 1:40:01 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.Storimbo (M)
16.2.14.17

File size:
59.7 KB (61,112 bytes)

Product version:
1.4.3.1

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win64 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{fe0d951b-f1e9-4cbc-8054-78c95ed14cc5}t64.sys

Digital Signature
Signed by:
Storimbo

Authority:
VeriSign, Inc.

Valid from:
11/13/2013 6:00:00 PM

Valid to:
11/14/2014 5:59:59 PM

Subject:
CN=Storimbo, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Storimbo, 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:
1AC46D37F39AC4527AFEFF38AB955504

File PE Metadata
Compilation timestamp:
9/22/2014 2:01:45 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
1536:Ufjq7nqsXk7cfk20kQo9tSRw2wdTlwzHptJTqQ:2j4qsXk78UkdQw2wdpwzHpzTqQ

Entry address:
0x11064

Entry point:
48, 83, EC, 28, 4C, 8B, C2, 4C, 8B, C9, E8, 95, FF, FF, FF, 49, 8B, D0, 49, 8B, C9, 48, 83, C4, 28, E9, AA, A7, FF, FF, CC, CC, D0, 10, 01, 00, 00, 00, 00, 00, 00, 00, 00, 00, 38, 15, 01, 00, 10, D0, 00, 00, C0, 10, 01, 00, 00, 00, 00, 00, 00, 00, 00, 00, 5A, 15, 01, 00, 00, D0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 46, 15, 01, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 34, 12, 01, 00, 00, 00, 00, 00, 48, 12, 01, 00, 00, 00, 00, 00, 66, 12, 01, 00...
 
[+]

Entropy:
6.3849

Code size:
46 KB (47,104 bytes)

Driver
Display name:
{fe0d951b-f1e9-4cbc-8054-78c95ed14cc5}t64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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