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{6eaeb8af-e4d9-4df5-b9d7-815f2928cdf7}w.sys

Krab Web

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {6eaeb8af-e4d9-4df5-b9d7-815f2928cdf7}w.sys by Krab Web 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 “{6eaeb8af-e4d9-4df5-b9d7-815f2928cdf7}w”.
Publisher:
StdLib  (signed by Krab Web)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
0ae503e095fa7e745726682fbbbcbdb9

SHA-1:
096a0608f106baf43f3aeb236b26421dabca1c33

SHA-256:
2021515d737917756f5bd19122b97401d36788f36e9783c77a5668d899cdf651

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:
11/27/2024 1:01:13 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.1.23.19

File size:
42.1 KB (43,096 bytes)

Product version:
1.4.4.6

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win32 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{6eaeb8af-e4d9-4df5-b9d7-815f2928cdf7}w.sys

Digital Signature
Signed by:
Krab Web

Authority:
DigiCert Inc

Valid from:
6/9/2014 1:00:00 AM

Valid to:
6/17/2015 1:00:00 PM

Subject:
CN=Krab Web, O=Krab Web, 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:
0572744C4944FF55FB05A9A82A78D271

File PE Metadata
Compilation timestamp:
9/22/2014 8:01:51 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

Entry address:
0xA03E

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 20, 70, FF, FF, CC, CC, 94, A1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, CE, A4, 00, 00, E0, 80, 00, 00, B4, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 24, A5, 00, 00, 00, 80, 00, 00, EC, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, A4, A9, 00, 00, 38, 80, 00, 00, C4, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 9C, AA, 00, 00, 10, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, FC, A4, 00, 00, 10, A5, 00, 00, E8, A4...
 
[+]

Code size:
28 KB (28,672 bytes)

Driver
Display name:
{6eaeb8af-e4d9-4df5-b9d7-815f2928cdf7}w

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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