{234280f6-0eca-4130-85e8-3d4370f3360b}w64.sys

Rolimno

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {234280f6-0eca-4130-85e8-3d4370f3360b}w64.sys by Rolimno has been detected as adware by 20 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{234280f6-0eca-4130-85e8-3d4370f3360b}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 Rolimno)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
b523c2bec262228e9166645bfb808f31

SHA-1:
6ef2bab01ad592ebb8a39fc70f4a2f66d9ddb58c

SHA-256:
230a53b0ffd75ad44f44dfca4d2689c29b9dde6c5d58ac2898804292b86bdf67

Scanner detections:
20 / 68

Status:
Adware

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

Analysis date:
4/24/2024 9:28:09 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
358

Agnitum Outpost
Riskware.Agent
7.1.1

avast!
Win32:BrowseFox-GK [PUP]
2014.9-160211

AVG
Rolimno
2017.0.2836

Bitdefender
Adware.SwiftBrowse.CH
1.0.20.210

Bkav FE
W64.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Swiftbrowse-497
0.98/19739

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
8.16.02.11.05

ESET NOD32
Win64/BrowseFox.CG potentially unwanted application
10.7.0.302.0

F-Prot
W64/A-59c9c70a
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.CH
11.2016-11-02_5

G Data
Adware.SwiftBrowse.CH
16.2.24

McAfee
Trojan.Artemis!A13B327A1D7A
5600.6492

MicroWorld eScan
Adware.SwiftBrowse.CH
17.0.0.126

Norman
Adware.SwiftBrowse.CH
11.20160211

nProtect
Adware.SwiftBrowse.CH
14.12.05.01

Reason Heuristics
PUP.Yontoo.Rolimno (M)
16.2.11.17

Sophos
PUA 'Rolimno' (of type Adware)
54

VIPRE Antivirus
Threat.4150696
35418

Zillya! Antivirus
Adware.Yotoon.Win64.14
2.0.0.1999

File size:
47.7 KB (48,824 bytes)

Product version:
1.4.4.6

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win64 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{234280f6-0eca-4130-85e8-3d4370f3360b}w64.sys

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
8/13/2013 2:00:00 AM

Valid to:
8/14/2015 1:59:59 AM

Subject:
CN=Rolimno, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Rolimno, L=San Diego, 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:
0D2645238961D2084208FC4B5B89E7FD

File PE Metadata
Compilation timestamp:
12/16/2014 6:25:25 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:lA7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3qHuy:yFID6EGnLA8AFJTNEVmDuv

Entry address:
0xC064

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, E2, 50, FF, FF, CC, CC, 78, C2, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 54, C6, 00, 00, A0, 91, 00, 00, 28, C1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, DA, CA, 00, 00, 50, 90, 00, 00, D8, C0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, D2, CB, 00, 00, 00, 90, 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, B6, CB, 00, 00, 00, 00, 00, 00, A2, CB, 00, 00...
 
[+]

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{234280f6-0eca-4130-85e8-3d4370f3360b}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI