{6b320d34-648f-46d8-8353-a4300db1c49c}t.sys

Laflurla

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {6b320d34-648f-46d8-8353-a4300db1c49c}t.sys by Laflurla has been detected as adware by 5 anti-malware scanners. It runs as a Windows kernel mode device driver named “{6b320d34-648f-46d8-8353-a4300db1c49c}t”.
Remove {6b320d34-648f-46d8-8353-a4300db1c49c}t.sys - Powered by Reason Core Security
Publisher:
StdLib  (signed by Laflurla)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
a5aa0ccbbb3d85695b8939ffe3d55311

SHA-1:
802e9b994041d8d8163a3dc552260c7f45af2000

SHA-256:
6669b50df52eaab60292102b0f0495d44b00f30457945de0e81c38ede6891da6

Scanner detections:
5 / 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:
12/8/2016 1:33:35 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
MalSign.Generic
2015.0.3447

Reason Heuristics
PUP.Laflurla.k
14.6.10.17

VIPRE Antivirus
Trojan.Win32.Generic
28868

Remove {6b320d34-648f-46d8-8353-a4300db1c49c}t.sys - Powered by Reason Core Security
File size:
53.9 KB (55,224 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\{6b320d34-648f-46d8-8353-a4300db1c49c}t.sys

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
2/3/2014 7:00:00 PM

Valid to:
2/4/2015 6:59:59 PM

Subject:
CN=Laflurla, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Laflurla, 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:
0541E25DBE69A2BC84C39AB35093A301

File PE Metadata
Compilation timestamp:
1/30/2014 7:46:38 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:VubP7EDNtMTw/RWDjR/McKV5qEXGBJgxgZ+4AOmvtnBU6+RRAFZ:cP7EJSTukuzTrGYs+JNBUtR+

Entry address:
0xA73E

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, CA, E3, FF, FF, CC, CC, B4, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 84, AB, 00, 00, 94, 90, 00, 00, A0, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, BA, AB, 00, 00, 80, 90, 00, 00, AC, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, D6, AB, 00, 00, 8C, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, A6, AB, 00, 00, 92, AB, 00, 00, 00, 00, 00, 00, C2, AB, 00, 00, 00, 00, 00, 00, AC, A8, 00, 00, C4, A8, 00, 00, D6, A8...
 
[+]

Entropy:
6.3467

Code size:
36.3 KB (37,120 bytes)

Driver
Display name:
{6b320d34-648f-46d8-8353-a4300db1c49c}t

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


Remove {6b320d34-648f-46d8-8353-a4300db1c49c}t.sys - Powered by Reason Core Security