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maintainer.bak

BrowseMark

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file maintainer.bak by BrowseMark has been detected as adware by 26 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:
BrowseMark  (signed and verified)

Version:
1.0.5422.37120

MD5:
d93e4dd336c4b13259d4a72362fa51a1

SHA-1:
83f0bec535910aa6cc5105d6efa3df9a87d99f1f

SHA-256:
a7362f41760b1c79278cf38cbdc4d031f4ada4099b8ad1f954f84a9583319df6

Scanner detections:
26 / 68

Status:
Adware

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

Analysis date:
4/23/2024 8:21:17 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Adware.SwiftBrowse.1
804

AhnLab V3 Security
Adware/Win32.SwiftBrowse
2014.11.11

Avira AntiVirus
ADWARE/BrowseFox.Gen7
7.11.184.10

avast!
Win32:Adware-BYZ [PUP]
2014.9-141123

AVG
Bromrak
2015.0.3282

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141123

Bitdefender
Gen:Variant.Adware.SwiftBrowse.1
1.0.20.1635

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

Dr.Web
Trojan.BPlug.281
9.0.1.0327

Emsisoft Anti-Malware
Gen:Variant.Adware.SwiftBrowse
8.14.11.23.10

ESET NOD32
Win32/BrowseFox
8.10703

Fortinet FortiGate
Adware/Yotoon
11/23/2014

F-Prot
W32/A-9312a25d
v6.4.7.1.166

F-Secure
Gen:Variant.Adware.SwiftBrowse.1
11.2014-23-11_1

G Data
Gen:Variant.Adware.SwiftBrowse
14.11.24

Kaspersky
not-a-virus:AdWare.Win32.Yotoon
14.0.0.2903

McAfee
Artemis!D93E4DD336C4
5600.6938

MicroWorld eScan
Gen:Variant.Adware.SwiftBrowse.1
15.0.0.981

NANO AntiVirus
Riskware.Win32.Kranet.dgiwfc
0.28.6.62995

Panda Antivirus
Generic Suspicious
14.11.23.10

Qihoo 360 Security
Win32/Virus.Adware.708
1.0.0.1015

Reason Heuristics
PUP.BrowseMark.N
14.11.23.10

Sophos
Browse Fox
4.98

Vba32 AntiVirus
AdWare.Kranet
3.12.26.3

VIPRE Antivirus
Yontoo
34690

Zillya! Antivirus
Adware.Kranet.Win32.476
2.0.0.1980

File size:
120.8 KB (123,680 bytes)

Product version:
1.0.5422.37120

Language:
English (United States)

Common path:
C:\ProgramData\602bb5c5-64ca-4d9f-8688-8581d865cedf\maintainer.bak

Digital Signature
Signed by:
BrowseMark

Authority:
VeriSign, Inc.

Valid from:
2/4/2014 1:00:00 AM

Valid to:
2/5/2015 12:59:59 AM

Subject:
CN=BrowseMark, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=BrowseMark, 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:
61D3176BC90758B1B3F2AF5F8E4B7075

File PE Metadata
Compilation timestamp:
11/6/2014 5:37:27 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
1536:/3eRgxyOpGX5sfnC6P2dV59IikYYf9J892bbY+mkbcQ/Wm1sWjcdcPQI0ypxCO8C:PK35/9oxfTk+Lvn6cPQI0ypxCOkXbZvw

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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