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maintainer.bak

gerbillio

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

Version:
1.0.5467.42201

MD5:
bbf355e935347ef12737842d3f92f9b9

SHA-1:
2ce8e3e649aa9d65d57656703c6a282a80b97524

SHA-256:
c814529612f79c29b624a7a43db240472e7829bdfbc3a898e007024ac33b8ddc

Scanner detections:
28 / 68

Status:
Adware

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

Analysis date:
4/26/2024 4:54:18 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Adware.SwiftBrowse.1
6209727

AhnLab V3 Security
Adware/Win32.SwiftBrowse
2014.12.22

Avira AntiVirus
ADWARE/BrowseFox.Gen7
7.11.197.16

avast!
Win32:Adware-BYZ [PUP]
141214-1

AVG
Adware Generic6.DAP
2014.0.4235

Bitdefender
Gen:Variant.Adware.SwiftBrowse.1
1.0.20.1775

Clam AntiVirus
Win.Adware.Agent-22685
0.98/19815

Comodo Security
Application.Win32.BrowseFox.B
20432

Dr.Web
Trojan.BPlug.281
9.0.1.05190

Emsisoft Anti-Malware
Gen:Variant.Adware.SwiftBrowse
9.0.0.4668

ESET NOD32
Win32/BrowseFox.V potentially unwanted application
7.0.302.0

F-Prot
W32/A-de841313
v6.4.7.1.166

F-Secure
Gen:Variant.Adware.SwiftBrowse.1
5.13.68

G Data
Gen:Variant.Adware.SwiftBrowse
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
15.0.0.543

Malwarebytes
PUP.Optional.SwiftBrowse
v2014.12.21.09

McAfee
Program.BrowseFox-FTR
16.8.708.2

MicroWorld eScan
Gen:Variant.Adware.SwiftBrowse.1
15.0.0.1065

NANO AntiVirus
Riskware.Win32.Kranet.dgiwfc
0.28.6.64267

Norman
Gen:Variant.Adware.SwiftBrowse.1
04.12.2014 14:30:06

nProtect
Trojan-Clicker/W32.Yotoon.123680
14.12.19.01

Quick Heal
AdWare.Yotoon.A5
12.14.14.00

Reason Heuristics
PUP.gerbillio.N
14.12.21.9

SUPERAntiSpyware
Adware.SwiftBrowse
10164

Vba32 AntiVirus
AdWare.Yotoon
3.12.26.3

Zillya! Antivirus
Adware.Kranet.Win32.476
2.0.0.2011

File size:
120.8 KB (123,680 bytes)

Product version:
1.0.5467.42201

Language:
English (United States)

Common path:
C:\ProgramData\66d59f5c-9429-4c86-9f63-c339daeaabaf\maintainer.bak

Digital Signature
Signed by:
gerbillio

Authority:
VeriSign, Inc.

Valid from:
3/29/2014 8:00:00 AM

Valid to:
3/30/2015 7:59:59 AM

Subject:
CN=gerbillio, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=gerbillio, 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:
4409477E9554A1549D768F6119FC70F3

File PE Metadata
Compilation timestamp:
12/21/2014 3:26:49 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
1536:G3eRgxyOpGX5sfnC6P2dV59IikYYf9J892bbY+m7bcQ/Wm1sWjcdYPQI0ypxCO8G:aK35/9oxfTk+Avn6YPQI0ypxCOtXbZvx

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:
6.1812

Code size:
68.5 KB (70,144 bytes)

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