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updatemegabrowse.exe

Mokiray

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application updatemegabrowse.exe by Mokiray has been detected as adware by 19 anti-malware scanners. It runs as a separate (within the context of its own process) windows Service named “Update Mega Browse”. 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:
Mokiray  (signed and verified)

Version:
1.0.5565.19957

MD5:
d6532fdc24dc46af9d93444088c4cd8b

SHA-1:
c61b865f2b4a6ebaf6e1b8306adc40e3f5e6aca7

SHA-256:
97b59ce4e8009db6f11f24ff8fa403e6bfb96a3762b2215df18fb453c3ec4026

Scanner detections:
19 / 68

Status:
Adware

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

Analysis date:
4/26/2024 5:47:57 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Adware.Jatif.224
6319147

Avira AntiVirus
ADWARE/BrowseFox.Gen7
3.6.1.96

avast!
MSIL:BrowseFox-L [PUP]
150320-0

AVG
BrowseFox
2016.0.3156

Baidu Antivirus
Adware.MSIL.BrowseFox
4.0.3.15328

Bitdefender
Gen:Variant.Adware.Jatif.224
1.0.20.435

Bkav FE
W32.HfsAdware
1.3.0.6379

Dr.Web
Trojan.Yontoo.1734
9.0.1.05190

Emsisoft Anti-Malware
Gen:Variant.Adware.Jatif.224
9.0.0.4799

ESET NOD32
MSIL/BrowseFox.G potentially unwanted application
7.0.302.0

F-Prot
W32/S-e8c6878a
v6.4.7.1.166

F-Secure
Gen:Variant.Adware.Jatif
5.13.68

G Data
Gen:Variant.Adware.Jatif.224
15.3.25

K7 AntiVirus
Adware
13.202.15414

McAfee
Program.BrowseFox-FWI
16.8.708.2

MicroWorld eScan
Gen:Variant.Adware.Jatif.224
16.0.0.261

NANO AntiVirus
Riskware.Win32.BPlug.djpkri
0.30.8.659

Reason Heuristics
Adware.Yontoo.Service
15.3.28.16

VIPRE Antivirus
Threat.4741131
38552

File size:
403.2 KB (412,904 bytes)

Product version:
1.0.5565.19957

Original file name:
MegaBrowse2015032819.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\Program Files\mega browse\updatemegabrowse.exe

Digital Signature
Signed by:
Mokiray

Authority:
VeriSign, Inc.

Valid from:
1/4/2015 5:00:00 PM

Valid to:
3/5/2016 4:59:59 PM

Subject:
CN=Mokiray, O=Mokiray, 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:
13396D8733DD5F35D3FC41477C1EB99D

File PE Metadata
Compilation timestamp:
3/28/2015 1:05:28 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:5qnWShsyG9nh4WKvYYtvp4X9vzyQCcSAwqPLwgv73fEaaZGFRSsJMKi+f1nS8aD:wn5Wyqh49YEx2XTwqM+s/QR7dik4

Entry address:
0x6491E

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
6.4844

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
394.5 KB (403,968 bytes)

Service
Display name:
Update Mega Browse

Type:
Win32OwnProcess


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