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{910baceb-efc0-4fe2-bc67-ee485894a7c4}t.sys

Lemurleap

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {910baceb-efc0-4fe2-bc67-ee485894a7c4}t.sys by Lemurleap 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 “{910baceb-efc0-4fe2-bc67-ee485894a7c4}t”.
Publisher:
StdLib  (signed by Lemurleap)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
0c4645a56e84197a5ed0830e4a79b664

SHA-1:
59437e607f22dd7bc475c3011b71825d6fb2d8fc

SHA-256:
53a7b0b157b12eb7f180bfb6c59e024d10ebbaeac5aac891b94cf1ea98e0740a

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:
11/23/2024 6:47:05 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.15.4

File size:
54.1 KB (55,448 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\{910baceb-efc0-4fe2-bc67-ee485894a7c4}t.sys

Digital Signature
Signed by:
Lemurleap

Authority:
COMODO CA Limited

Valid from:
5/7/2014 2:00:00 AM

Valid to:
5/8/2015 1:59:59 AM

Subject:
CN=Lemurleap, O=Lemurleap, STREET=10620 Treena Street Suite 230, L=San Diego, S=Ca, PostalCode=92131, C=US

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
015F3E368C995EC152965B1AABC50D9E

File PE Metadata
Compilation timestamp:
1/12/2015 7:24:38 AM

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...
 
[+]

Code size:
37 KB (37,888 bytes)

Driver
Display name:
{910baceb-efc0-4fe2-bc67-ee485894a7c4}t

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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