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maintainer.bak

EnterDigital

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file maintainer.bak by EnterDigital has been detected as adware by 28 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:
EnterDigital  (signed and verified)

Version:
1.0.5468.13330

MD5:
0932b51b9d09e6dd2d6663988cca0247

SHA-1:
bc606b6559f527c003e287b79f577732d441d985

SHA-256:
b517f5f43191d32dfb777d3deaef7f22333222269a65111c18b01379caec2e8b

Scanner detections:
28 / 68

Status:
Adware

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

Analysis date:
4/25/2024 8:06:13 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CR
775

AhnLab V3 Security
Adware/Win32.SwiftBrowse
2014.12.22

Avira AntiVirus
Adware/BrowseFox.aoj
7.11.197.26

avast!
Win32:Adware-BYZ [PUP]
2014.9-141222

AVG
Generic6
2015.0.3253

Bitdefender
Adware.SwiftBrowse.CR
1.0.20.1780

Bkav FE
W32.EnterDigital.Maintainer.Adware
1.3.0.6267

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

Comodo Security
Application.Win32.BrowseFox.B
20434

Dr.Web
Trojan.BPlug.281
9.0.1.0356

Emsisoft Anti-Malware
Adware.SwiftBrowse.CR
8.14.12.22.04

ESET NOD32
Win32/BrowseFox
8.10911

F-Prot
W32/A-de841313
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.CR
11.2014-22-12_2

G Data
Adware.SwiftBrowse.CR
14.12.24

IKARUS anti.virus
AdWare.SwiftBrowse
t3scan.1.8.5.0

K7 AntiVirus
Trojan
13.188.14395

Kaspersky
not-a-virus:AdWare.Win32.Yotoon
14.0.0.2759

Malwarebytes
PUP.Optional.SwiftBrowse
v2014.12.22.04

McAfee
BrowseFox-FTR
5600.6909

MicroWorld eScan
Adware.SwiftBrowse.CR
15.0.0.1068

NANO AntiVirus
Riskware.Win32.Kranet.dgiwfc
0.28.6.64267

nProtect
Trojan-Clicker/W32.Yotoon.123632
14.12.19.01

Quick Heal
AdWare.Yotoon.A5
12.14.14.00

Reason Heuristics
PUP.EnterDigital.N
14.12.22.4

SUPERAntiSpyware
Adware.SwiftBrowse
10163

Vba32 AntiVirus
AdWare.Yotoon
3.12.26.3

Zillya! Antivirus
Adware.Kranet.Win32.476
2.0.0.2012

File size:
120.7 KB (123,632 bytes)

Product version:
1.0.5468.13330

Language:
English (United States)

Common path:
C:\ProgramData\7bb6df21-8ca8-4eec-965d-8cd2261544c7\maintainer.bak

Digital Signature
Signed by:
EnterDigital

Authority:
VeriSign, Inc.

Valid from:
9/2/2014 3:00:00 AM

Valid to:
9/3/2015 2:59:59 AM

Subject:
CN=EnterDigital, O=EnterDigital, 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:
1E3B5C4453E4282F35D4B16FE677D245

File PE Metadata
Compilation timestamp:
12/21/2014 11:28:28 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
1536:+3eRgxyOpGX5sfnC6P2dV59IikYYf9J892bbY+m+bcQ/Wm1sWjcdkPQI0ypxCO8m:SK35/9oxfTk+Fvn6kPQI0ypxCOzXbZvv

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:
6.1804

Code size:
68.5 KB (70,144 bytes)

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