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{a0eab6f4-c7be-497b-981b-51b21c0122f7}w64.sys

DigiHelp

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {a0eab6f4-c7be-497b-981b-51b21c0122f7}w64.sys by DigiHelp has been detected as adware by 18 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{a0eab6f4-c7be-497b-981b-51b21c0122f7}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 DigiHelp)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
19306ac3539c9732853d39611ca3daab

SHA-1:
fcff2313f484eefaf04b4b3cdbe5fcb391bb140d

SHA-256:
9c457b00156c75f3fbc51673bc4c941a739d4e4870c7c3b37c08ef1079d25253

Scanner detections:
18 / 68

Status:
Adware

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

Analysis date:
4/26/2024 2:13:18 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
521

Agnitum Outpost
Riskware.Agent
7.1.1

Bitdefender
Adware.SwiftBrowse.CH
1.0.20.1220

Clam AntiVirus
Win.Adware.Swiftbrowse-497
0.98/21511

Dr.Web
Tool.NetFilter.313
9.0.1.0244

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
8.15.10.28.05

ESET NOD32
Win64/BrowseFox.CG (variant)
9.10838

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

F-Secure
Adware.SwiftBrowse.CH
11.2015-01-09_3

G Data
Adware.SwiftBrowse.CH
15.9.24

herdProtect (fuzzy)
variant of {be5bf058-a067-4076-8c2e-22b9345a0260}gw64.sys (Adware)
2015.10.28.17

McAfee
Artemis!C515D124E11C
5600.6598

MicroWorld eScan
Adware.SwiftBrowse.CH
16.0.0.732

nProtect
Adware.SwiftBrowse.CH
14.10.17.01

Reason Heuristics
PUP.Yontoo.DigiHelp (M)
15.9.1.15

Sophos
BrowseSmart
4.98

Trend Micro House Call
Suspicious_GEN.F47V0702
7.2.301

VIPRE Antivirus
Trojan.Win32.Generic
31318

File size:
47.6 KB (48,776 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\{a0eab6f4-c7be-497b-981b-51b21c0122f7}w64.sys

Digital Signature
Signed by:
DigiHelp

Authority:
VeriSign, Inc.

Valid from:
9/2/2014 3:00:00 AM

Valid to:
9/3/2015 2:59:59 AM

Subject:
CN=DigiHelp, O=DigiHelp, 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:
1A7686F9F81F8C322CBB5D0915469B2B

File PE Metadata
Compilation timestamp:
12/7/2014 5:52:24 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:l97G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3GyEor:bFID6EGnLA8AFJTNEVmDZ

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...
 
[+]

Entropy:
6.3929

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{a0eab6f4-c7be-497b-981b-51b21c0122f7}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.