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maintainer.bak

neurowise

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file maintainer.bak by neurowise has been detected as adware by 29 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:
neurowise  (signed and verified)

Version:
1.0.5679.17826

MD5:
502efc7f8576ad54611a8d641255745d

SHA-1:
a850c3ad1f4f3b28db5c64394203078839710fac

SHA-256:
8f4256eefce56b06852df05680187884ce195a92c2eb45ae8f053f9e108623bc

Scanner detections:
29 / 68

Status:
Adware

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

Analysis date:
4/19/2024 1:09:45 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Adware.Mikey.15887
523

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.BrowseFox
2015.07.21

Avira AntiVirus
ADWARE/BrowseFox.Gen7
8.3.1.6

Arcabit
Trojan.Adware.Mikey.D3E0F
1.0.0.425

avast!
Win32:BrowseFox-JA [PUP]
2014.9-150830

AVG
AdPlugin
2016.0.3001

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.15830

Bitdefender
Gen:Variant.Adware.Mikey.15887
1.0.20.1210

Bkav FE
W32.HfsAdware
1.3.0.6979

Clam AntiVirus
Win.Adware.Agent-41785
0.98/21511

Comodo Security
Application.Win32.BrowseFox.AHJ
22820

Dr.Web
Trojan.Yontoo.1830
9.0.1.0242

Emsisoft Anti-Malware
Gen:Variant.Adware.Mikey.15887
8.15.08.30.08

ESET NOD32
Win32/BrowseFox.BD potentially unwanted
9.11969

F-Prot
W32/S-11fc74d1
v6.4.7.1.166

F-Secure
Gen:Variant.Adware.Mikey
11.2015-30-08_1

G Data
Gen:Variant.Adware.Mikey.15887
15.8.25

K7 AntiVirus
Adware
13.207.16620

Malwarebytes
PUP.Optional.BrowseFox
v2015.08.30.08

McAfee
BrowseFox-FXS
5600.6657

MicroWorld eScan
Gen:Variant.Adware.Mikey.15887
16.0.0.726

NANO AntiVirus
Trojan.Win32.Yontoo.dpmcsm
0.30.24.2487

Quick Heal
PUA.Neurowise.Gen
8.15.14.00

Reason Heuristics
PUP.Yontoo.neurowise (M)
15.8.30.20

Rising Antivirus
PE:AdWare.Win32.BrowseFox.i!1075357760
23.00.65.15828

Vba32 AntiVirus
AdWare.DealKeeper
3.12.26.4

VIPRE Antivirus
Yontoo
42176

Zillya! Antivirus
Adware.Agent.Win32.52012
2.0.0.2302

File size:
125.2 KB (128,240 bytes)

Product version:
1.0.5679.17826

Language:
English (United States)

Common path:
C:\ProgramData\e5c4ef79-068a-447e-b589-daa814c96056\maintainer.bak

Digital Signature
Signed by:
neurowise

Authority:
VeriSign, Inc.

Valid from:
4/23/2015 2:00:00 AM

Valid to:
6/22/2016 1:59:59 AM

Subject:
CN=neurowise, O=neurowise, 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:
44381E530504967961F48BDFACFAA048

File PE Metadata
Compilation timestamp:
7/20/2015 6:54:17 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:3D1Ll2ZpujSiZF4gvsym2UG0IHhxDOydVw:3BVDFHyKuyfw

Entry address:
0x9872

Entry point:
E8, 75, 62, 00, 00, E9, 7F, FE, FF, FF, 55, 8B, EC, 81, EC, 28, 03, 00, 00, A1, 68, C2, 41, 00, 33, C5, 89, 45, FC, 83, 7D, 08, FF, 57, 74, 09, FF, 75, 08, E8, 59, 50, 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:
6.2062

Code size:
72.5 KB (74,240 bytes)

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