{55685567-4840-4a91-962b-49a412e9485a}gw.sys

webget

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {55685567-4840-4a91-962b-49a412e9485a}gw.sys by webget has been detected as adware by 20 anti-malware scanners. It runs as a Windows kernel mode device driver named “{55685567-4840-4a91-962b-49a412e9485a}Gw”. 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.
Remove {55685567-4840-4a91-962b-49a412e9485a}gw.sys - Powered by Reason Core Security
Publisher:
StdLib  (signed by webget)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
f0db23e188a48cbc183786c3abd71cb9

SHA-1:
9fbf83c40ee9fdf409ecacc0467bec2eca4da50f

SHA-256:
43bac2e5208fe9aa223916bc86f6596f4e092f2c4851f7a1dd5d338a7746aa43

Scanner detections:
20 / 68

Status:
Adware

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

Analysis date:
12/8/2016 7:11:10 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.L
969

AVG
Webet
2015.0.3447

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.14610

Bitdefender
Adware.SwiftBrowse.L
1.0.20.805

Emsisoft Anti-Malware
Adware.SwiftBrowse.L
8.14.06.10.06

F-Secure
Adware.SwiftBrowse.L
11.2014-10-06_3

G Data
Adware.SwiftBrowse
14.6.24

MicroWorld eScan
Adware.SwiftBrowse.L
15.0.0.483

nProtect
Adware.SwiftBrowse.L
14.06.08.01

Reason Heuristics
PUP.webget.l
14.6.10.18

Trend Micro House Call
TROJ_GEN.F47V0529
7.2.161

VIPRE Antivirus
Trojan.Win32.Generic
30086

Remove {55685567-4840-4a91-962b-49a412e9485a}gw.sys - Powered by Reason Core Security
File size:
51.7 KB (52,920 bytes)

Product version:
1.4.3.1

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win32 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{55685567-4840-4a91-962b-49a412e9485a}gw.sys

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
4/22/2014 1:00:00 AM

Valid to:
4/23/2015 12:59:59 AM

Subject:
CN=webget, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=webget, L=Santa Monica, 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:
2DDF0A91A7D2108F978BEB26D4734BBA

File PE Metadata
Compilation timestamp:
1/31/2014 1:45:28 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:tIsHpnKHCBSqUPJHKQpkJxpKwT2bcWiJmOtX3g2rp3ln/IdyuKI:SsHRKHLJqQpkYwTsiTtXxtAfKI

Entry address:
0xC03E

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 62, 50, FF, FF, CC, CC, 74, C1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, BC, C4, 00, 00, C0, A0, 00, 00, B4, C0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 12, C5, 00, 00, 00, A0, 00, 00, EC, C0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, AE, C8, 00, 00, 38, A0, 00, 00, C4, C0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, A6, C9, 00, 00, 10, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, EA, C4, 00, 00, FE, C4, 00, 00, D6, C4...
 
[+]

Code size:
37 KB (37,888 bytes)

Driver
Display name:
{55685567-4840-4a91-962b-49a412e9485a}Gw

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


Remove {55685567-4840-4a91-962b-49a412e9485a}gw.sys - Powered by Reason Core Security