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maintainer.exe

Surftastic

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application maintainer.exe by Surftastic has been detected as adware by 20 anti-malware scanners. It runs as a separate (within the context of its own process) windows Service named “MaintainerSvc2.68.0219210”. 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:
Surftastic  (signed and verified)

Version:
1.0.5409.33155

MD5:
fcecb07529bb646f1e63e1ad635678ec

SHA-1:
a2c7531bcf354c84c2d949ed4c3a4f74f279e4f7

SHA-256:
979e2c110108b0925b0dc2b9f74d122a5bcb07b215513779311d4af10aa4a63d

Scanner detections:
20 / 68

Status:
Adware

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

Analysis date:
4/24/2024 8:02:12 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Adware.SwiftBrowse.1
827

AhnLab V3 Security
Adware/Win32.SwiftBrowse
2014.10.31

Avira AntiVirus
ADWARE/BrowseFox.Gen7
7.11.182.116

avast!
Win32:PUP-gen [PUP]
141025-0

AVG
Surfastic
2015.0.3305

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141030

Bitdefender
Gen:Variant.Adware.SwiftBrowse.1
1.0.20.1515

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

Dr.Web
Trojan.BPlug.281
9.0.1.05190

Emsisoft Anti-Malware
Gen:Variant.Adware.SwiftBrowse
14.10.29

ESET NOD32
Win32/BrowseFox
8.10646

Fortinet FortiGate
Riskware/BrowseFox
10/30/2014

F-Secure
Gen:Variant.Adware.SwiftBrowse.1
11.2014-30-10_5

G Data
Gen:Variant.Adware.SwiftBrowse
14.10.24

MicroWorld eScan
Gen:Variant.Adware.SwiftBrowse.1
15.0.0.909

NANO AntiVirus
Riskware.Win32.Kranet.dgiwfc
0.28.6.62995

Reason Heuristics
PUP.Service.Surftastic.K
14.10.29.14

Vba32 AntiVirus
AdWare.Kranet
3.12.26.3

VIPRE Antivirus
Threat.4741131
34232

Zillya! Antivirus
Adware.Kranet.Win32.476
2.0.0.1972

File size:
120.4 KB (123,304 bytes)

Product version:
1.0.5409.33155

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\ProgramData\f7d523a7-723b-4679-8c70-0e90e3053cba\maintainer.exe

Digital Signature
Signed by:
Surftastic

Authority:
COMODO CA Limited

Valid from:
5/7/2014 4:30:00 AM

Valid to:
5/8/2015 4:29:59 AM

Subject:
CN=Surftastic, O=Surftastic, STREET=10620 Treena Street Suite 230, L=San Diego, S=Ca, PostalCode=92131, C=US

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
1E51B1BC1DA0D725290BE84DCF88D4EB

File PE Metadata
Compilation timestamp:
10/24/2014 4:55:16 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
1536:K3eRgxyOpGX5sfnC6P2dV59IikYYf9J892bbY+m9bcQ/Wm1sWjcdiPQI0ypxCO8w:uK35/9oxfTk+evn6iPQI0ypxCOKXbZv4

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:
6.1739

Code size:
68.5 KB (70,144 bytes)

Service
Display name:
MaintainerSvc2.68.0219210

Type:
Win32OwnProcess

Depends on:
RPCSS


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