home

maintainer.bak

linkswift

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file maintainer.bak by linkswift has been detected as adware by 30 anti-malware scanners. 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:
linkswift  (signed and verified)

Version:
1.0.5459.22285

MD5:
7d627f2780cb2f8396a0cacd2e300d5e

SHA-1:
2e9820559c244c419b3b2006a9b8dd0e4cc80124

SHA-256:
7e66fda0d207c634affca8da5a2b14e46ff09b71033e2d9323e0dbab96d1c4ae

Scanner detections:
30 / 68

Status:
Adware

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

Analysis date:
4/25/2024 3:05:06 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CO
778

AhnLab V3 Security
Adware/Win32.SwiftBrowse
2014.12.17

Avira AntiVirus
Adware/BrowseFox.api
7.11.196.52

avast!
Win32:Adware-BYZ [PUP]
2014.9-141218

AVG
Generic6
2015.0.3256

Bitdefender
Adware.SwiftBrowse.CO
1.0.20.1760

Clam AntiVirus
Win.Adware.Agent-22685
0.98/21511

Comodo Security
Application.Win32.BrowseFox.B
20393

Dr.Web
Trojan.BPlug.281
9.0.1.0352

Emsisoft Anti-Malware
Adware.SwiftBrowse.CO
8.14.12.18.11

ESET NOD32
Win32/BrowseFox
8.10888

Fortinet FortiGate
Adware/Yotoon
12/18/2014

F-Prot
W32/A-de841313
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.CO
11.2014-18-12_5

G Data
Adware.SwiftBrowse.CO
14.12.24

IKARUS anti.virus
Win32.SuspectCrc
t3scan.1.8.5.0

K7 AntiVirus
Trojan
13.188.14354

Kaspersky
not-a-virus:AdWare.Win32.Yotoon
14.0.0.2775

Malwarebytes
PUP.Optional.SwiftBrowse
v2014.12.18.11

McAfee
Artemis!7D627F2780CB
5600.6912

MicroWorld eScan
Adware.SwiftBrowse.CO
15.0.0.1056

NANO AntiVirus
Riskware.Win32.Kranet.dgiwfc
0.28.6.64267

nProtect
Trojan-Clicker/W32.Yotoon.123680
14.12.16.01

Quick Heal
AdWare.Yotoon.A5
12.14.14.00

Reason Heuristics
PUP.linkswift.N
14.12.18.23

Sophos
Generic PUA CO
4.98

SUPERAntiSpyware
Adware.SwiftBrowse
10169

Vba32 AntiVirus
AdWare.Yotoon
3.12.26.3

VIPRE Antivirus
Yontoo
35792

Zillya! Antivirus
Adware.Kranet.Win32.476
2.0.0.2007

File size:
120.8 KB (123,680 bytes)

Product version:
1.0.5459.22285

Language:
English (United States)

Common path:
C:\ProgramData\8a0cb40c-45d3-4109-aa3c-d7cd1ca7bc83\maintainer.bak

Digital Signature
Signed by:
linkswift

Authority:
VeriSign, Inc.

Valid from:
8/11/2013 6:00:00 PM

Valid to:
8/12/2015 5:59:59 PM

Subject:
CN=linkswift, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=linkswift, 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:
3AD03D814D9E16358271D2CA8A94AB42

File PE Metadata
Compilation timestamp:
12/18/2014 3:25:44 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
1536:13eRgxyOpGX5sfnC6P2dV59IikYYf9J892bbY+mabcQ/Wm1sWjcduPQI0ypxCO8S:JK35/9oxfTk+5vn6uPQI0ypxCO5XbZv

Entry address:
0x8A72

Entry point:
E8, 95, 57, 00, 00, E9, 7F, FE, FF, FF, 55, 8B, EC, 81, EC, 28, 03, 00, 00, A1, 68, B2, 41, 00, 33, C5, 89, 45, FC, 83, 7D, 08, FF, 57, 74, 09, FF, 75, 08, E8, 79, 45, 00, 00, 59, 83, A5, E0, FC, FF, FF, 00, 6A, 4C, 8D, 85, E4, FC, FF, FF, 6A, 00, 50, E8, 7A, F3, FF, FF, 8D, 85, E0, FC, FF, FF, 89, 85, D8, FC, FF, FF, 8D, 85, 30, FD, FF, FF, 83, C4, 0C, 89, 85, DC, FC, FF, FF, 89, 85, E0, FD, FF, FF, 89, 8D, DC, FD, FF, FF, 89, 95, D8, FD, FF, FF, 89, 9D, D4, FD, FF, FF, 89, B5, D0, FD, FF, FF, 89, BD, CC...
 
[+]

Entropy:
6.1805

Code size:
68.5 KB (70,144 bytes)

Remove maintainer.bak - Powered by Reason Core Security
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.