{d09eec19-10f5-44bd-a92a-cdd3ee45f8a8}w64.sys

loffinam

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {d09eec19-10f5-44bd-a92a-cdd3ee45f8a8}w64.sys by loffinam has been detected as adware by 7 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{d09eec19-10f5-44bd-a92a-cdd3ee45f8a8}w64”. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
Publisher:
StdLib  (signed by loffinam)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
4f3698578c941bfdbec03d2412dde7b5

SHA-1:
3cb5a6b6f41e7d84d41aa6777177817cce5d6065

SHA-256:
c16f2aa6efe63b33de7b383a573639c4ad8048c6c3d768e52e518d162a46927b

Scanner detections:
7 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
4/27/2024 12:12:26 AM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.16213

IKARUS anti.virus
AdWare.SpadeCast
t3scan.1.6.1.0

McAfee
Artemis!17B5228091D2
5600.6491

Reason Heuristics
PUP.Yontoo.loffinam (M)
16.2.13.2

Sophos
BrowseSmart
4.98

Trend Micro House Call
Suspicious_GEN.F47V0616
7.2.44

VIPRE Antivirus
Trojan.Win32.Generic
31280

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\{d09eec19-10f5-44bd-a92a-cdd3ee45f8a8}w64.sys

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
11/14/2013 1:00:00 AM

Valid to:
11/15/2014 12:59:59 AM

Subject:
CN=loffinam, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=loffinam, 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:
22B7A9A338918FF4849948EF0C908FAA

File PE Metadata
Compilation timestamp:
1/31/2014 1:45:30 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:lot2dxF9O8ZF33iqiIy938bWp9XcfBvJkowidIv+JW:l9JRicy938ip9ea1jeW

Entry address:
0xF064

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, 2E, 20, FF, FF, CC, CC, 38, F2, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 1C, F6, 00, 00, 60, C1, 00, 00, 28, F1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, BE, F9, 00, 00, 50, C0, 00, 00, D8, F0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, B6, FA, 00, 00, 00, C0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 9A, FA, 00, 00, 00, 00, 00, 00, 86, FA, 00, 00...
 
[+]

Code size:
46.5 KB (47,616 bytes)

Driver
Display name:
{d09eec19-10f5-44bd-a92a-cdd3ee45f8a8}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI