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{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:
ab7970269bb2be4f58c5c5f4326f25cc

SHA-1:
c02ff5dd02f4ab0b09d5dfcf45c2e6d0ff918787

SHA-256:
ff149beb4df23ffe4d9e130af161752a7988d1c1fe44dfdf9f703317350a7a69

Scanner detections:
7 / 68

Status:
Adware

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

Analysis date:
4/19/2024 9:17:17 PM 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)
16.2.13.1

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:
loffinam

Authority:
VeriSign, Inc.

Valid from:
11/14/2013 12:00:00 AM

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

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:
8/7/2014 12:52:18 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:uot2dxF9O8ZF33iqiIy9387Hp9XcfBzSowidIO+80Z:u9JRicy938Lp9eW1jj

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


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