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maintainer.bak

Scan Tack

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file maintainer.bak by Scan Tack has been detected as adware by 22 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:
Scan Tack  (signed and verified)

Version:
1.0.5417.30016

MD5:
dd8046889d162362d87b5dae4363d3f7

SHA-1:
04db934ba2d1ad0e953275c0021be290db68e17e

SHA-256:
1d3b923d95f6e195817e3f26172c4bc088c359b77a71de3da34bc3b3627b7d36

Scanner detections:
22 / 68

Status:
Adware

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

Analysis date:
4/24/2024 4:53:04 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.Y
820

AhnLab V3 Security
Adware/Win32.SwiftBrowse
2014.11.08

Avira AntiVirus
ADWARE/BrowseFox.Gen7
7.11.183.170

avast!
Win32:Adware-BYZ [PUP]
141025-0

AVG
Generic
2015.0.3298

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.14117

Bitdefender
Adware.SwiftBrowse.Y
1.0.20.1555

Clam AntiVirus
Win.Adware.Agent-22685
0.98/21411

Dr.Web
Trojan.BPlug.281
9.0.1.05190

Emsisoft Anti-Malware
Adware.SwiftBrowse.Y
8.14.11.07.09

ESET NOD32
Win32/BrowseFox
8.10686

F-Prot
W32/A-1c37adca
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.Y
11.2014-07-11_6

G Data
Adware.SwiftBrowse
14.11.24

Kaspersky
not-a-virus:AdWare.Win32.Yotoon
15.0.0.494

MicroWorld eScan
Adware.SwiftBrowse.Y
15.0.0.933

NANO AntiVirus
Riskware.Win32.Kranet.dgiwfc
0.28.6.62995

nProtect
Adware.SwiftBrowse.Y
14.11.06.01

Reason Heuristics
PUP.ScanTack.N
14.11.7.9

Sophos
Generic PUA AE
4.98

Vba32 AntiVirus
AdWare.Kranet
3.12.26.3

VIPRE Antivirus
Threat.4741131
34232

File size:
120.8 KB (123,680 bytes)

Product version:
1.0.5417.30016

Language:
English (United States)

Common path:
C:\ProgramData\6868b380-de26-428c-8695-32ebd47bfa1b\maintainer.bak

Digital Signature
Signed by:
Scan Tack

Authority:
VeriSign, Inc.

Valid from:
1/21/2014 10:00:00 PM

Valid to:
1/22/2015 9:59:59 PM

Subject:
CN=Scan Tack, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Scan Tack, 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:
44D91A3142283CE62B23F23C84838B0D

File PE Metadata
Compilation timestamp:
10/31/2014 9:40:39 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:4K35/9oxfTk+Wvn6mPQI0ypxCO9XbZve:4KCLPeXL9LZve

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...
 
[+]

Code size:
68.5 KB (70,144 bytes)

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