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{b30c55f2-a940-4907-8051-f13c9acdacdd}w.sys

ResultsShare

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {b30c55f2-a940-4907-8051-f13c9acdacdd}w.sys by ResultsShare has been detected as adware by 20 anti-malware scanners. It runs as a Windows kernel mode device driver named “{b30c55f2-a940-4907-8051-f13c9acdacdd}w”. 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 ResultsShare)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
fecd99b1e70a76689b1e83b3ddff086e

SHA-1:
58fa80d26ed23bd5d01385ad2bff79be8cb4cb7b

SHA-256:
01c62e2d95f76e426d8422897713cc8348b64a01723435204c5dceafab5b729a

Scanner detections:
20 / 68

Status:
Adware

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

Analysis date:
4/19/2024 6:40:03 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.V
799

Agnitum Outpost
PUA.BrowseFox
7.1.1

Avira AntiVirus
Adware/BrowseFox.A.1227
7.11.189.70

Bitdefender
Adware.BrowseFox.V
1.0.20.1660

Clam AntiVirus
Win.Adware.Netfilter-134
0.98/21511

Comodo Security
TrojWare.Win32.AltBrowse.IZZV
20215

Dr.Web
hacktool program Tool.NetFilter.313
9.0.1.05190

Emsisoft Anti-Malware
Adware.BrowseFox.V
9.0.0.4570

F-Prot
W32/A-76f53fd6
v6.4.7.1.166

F-Secure
Adware.BrowseFox.V
11.2014-28-11_6

G Data
Adware.BrowseFox
14.11.24

McAfee
Artemis!FECD99B1E70A
5600.6933

MicroWorld eScan
Adware.BrowseFox.V
15.0.0.996

NANO AntiVirus
Riskware.Win32.NetFilter.dgkdox
0.28.6.63726

nProtect
Adware.BrowseFox.V
14.11.27.01

Qihoo 360 Security
Win32/Virus.Adware.618
1.0.0.1015

Reason Heuristics
PUP.ResultsShare.k
14.11.29.17

Vba32 AntiVirus
AdWare.Win64.Yotoon
3.12.26.3

VIPRE Antivirus
Threat.4150696
35088

Zillya! Antivirus
Backdoor.CPEX.Win32.29350
2.0.0.1995

File size:
42.1 KB (43,152 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\{b30c55f2-a940-4907-8051-f13c9acdacdd}w.sys

Digital Signature
Signed by:
ResultsShare

Authority:
VeriSign, Inc.

Valid from:
11/5/2014 3:30:00 AM

Valid to:
11/6/2015 3:29:59 AM

Subject:
CN=ResultsShare, O=ResultsShare, 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:
461D00BB4B899D87DD5DA9B7E2EB2831

File PE Metadata
Compilation timestamp:
11/27/2014 2:02:10 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:hN0457WBZwpHs63E+X7BIrTsCEziDH+JgrVJdd5d:jhUcpH/0+LCf7EziDHhdt

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...
 
[+]

Entropy:
6.6156

Code size:
28 KB (28,672 bytes)

Driver
Display name:
{b30c55f2-a940-4907-8051-f13c9acdacdd}w

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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