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{ec3b464a-97da-43ec-b8d8-6d9d0bc1b9c5}t.sys

Cantataweb

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {ec3b464a-97da-43ec-b8d8-6d9d0bc1b9c5}t.sys by Cantataweb 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 “{ec3b464a-97da-43ec-b8d8-6d9d0bc1b9c5}t”.
Publisher:
StdLib  (signed by Cantataweb)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
ccc992ead9e0f20b74ceb04211ca5ea6

SHA-1:
799e1785180bf6d1270b6c55236788d4ff178c1c

SHA-256:
d02eec0eec43c81c040b67b4f740b0b2e351a790894a6ddfea366ab502650e19

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:
5/18/2024 10:21:25 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.12.1

File size:
54.5 KB (55,768 bytes)

Product version:
1.4.3.1

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win32 SYS)

Common path:
C:\Windows\System32\drivers\{ec3b464a-97da-43ec-b8d8-6d9d0bc1b9c5}t.sys

Digital Signature
Signed by:
Cantataweb

Authority:
DigiCert Inc

Valid from:
6/9/2014 9:00:00 AM

Valid to:
6/17/2015 9:00:00 PM

Subject:
CN=Cantataweb, O=Cantataweb, L=Santa Monica, S=California, C=US

Issuer:
CN=DigiCert Assured ID Code Signing CA-1, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
013BE12950E38B1ABDBF9C4FCB5C264F

File PE Metadata
Compilation timestamp:
9/23/2014 4:01:43 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...
 
[+]

Entropy:
6.3258

Code size:
37 KB (37,888 bytes)

Driver
Display name:
{ec3b464a-97da-43ec-b8d8-6d9d0bc1b9c5}t

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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