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{6b393976-0059-40ca-8846-beaf75db5011}gw64.sys

thirteen degrees

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {6b393976-0059-40ca-8846-beaf75db5011}gw64.sys by thirteen degrees has been detected as adware by 13 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{6b393976-0059-40ca-8846-beaf75db5011}Gw64”. 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 thirteen degrees)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
cd8c119528c310d7cc952b39817ac1b6

SHA-1:
732f3312dba26fb0ba6c8ca0e7feef7961b1e629

SHA-256:
ba66b7de373c8a430fc4a13a9d8e890090d4b73fd711bbe6e9976bceaae9a921

Scanner detections:
13 / 68

Status:
Adware

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

Analysis date:
4/28/2024 9:17:29 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
444

Clam AntiVirus
Win.Adware.Swiftbrowse-497
0.98/19753

Dr.Web
hacktool program Tool.NetFilter.313
9.0.1.0322

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
8.15.11.18.11

ESET NOD32
Win64/BrowseFox.M potentially unwanted application
9.7.0.302.0

F-Secure
Adware.SwiftBrowse.CH
11.2015-18-11_4

herdProtect (fuzzy)
variant of {1dc3c8ee-7a5c-414f-bf32-ae563ad31ed1}gw64.sys (Adware)
2015.11.18.11

McAfee
Artemis!BA6867FC0414
5600.6578

MicroWorld eScan
Adware.SwiftBrowse.CH
16.0.0.966

Norman
Adware.SwiftBrowse.CH
11.20151118

nProtect
Adware.SwiftBrowse.CH
14.12.09.01

Reason Heuristics
PUP.Yontoo.thirteendegrees (M)
15.9.16.12

VIPRE Antivirus
Threat.4150696
35418

File size:
47.6 KB (48,768 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\{6b393976-0059-40ca-8846-beaf75db5011}gw64.sys

Digital Signature
Signed by:
thirteen degrees

Authority:
VeriSign, Inc.

Valid from:
4/30/2015 5:30:00 AM

Valid to:
4/30/2016 5:29:59 AM

Subject:
CN=thirteen degrees, O=thirteen degrees, 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:
7EC505CB2A21F49EDC7F06FD1E77EFC8

File PE Metadata
Compilation timestamp:
9/11/2015 8:43:49 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:lJ7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3sE8G:LFID6EGnLA8AFJTNEVmD0G

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:
6.3931

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{6b393976-0059-40ca-8846-beaf75db5011}Gw64

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.