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updatebrowsestudio.exe

BrowseStudio

Part of the Yontoo web browser plugin (delivers advertisements to the web browser in the form of injected banners, text-links, popups, etc.) the updater mechanism for BrowseStudio will automatically keep the extension patched by downloaded new functionality which is auto-enabled by default. The application updatebrowsestudio.exe by BrowseStudio has been detected as adware by 8 anti-malware scanners. It runs as a separate (within the context of its own process) windows Service named “Update BrowseStudio”. 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:
BrowseStudio  (signed and verified)

Version:
1.0.5426.11424

MD5:
8d46f8bde96f0e857a6cccb41879ff88

SHA-1:
9a16b6b2ca21e9e645164d577033171f463c0651

SHA-256:
ef7350e35bf36f234d4aea62787e811a9c9e5f48552a188db973fd159b1fc766

Scanner detections:
8 / 68

Status:
Adware

Explanation:
Part of the Yontoo adware web browser extension update process.

Analysis date:
4/18/2024 10:20:22 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.BrowseFox
2014.11.17

AVG
Generic
2015.0.3283

Baidu Antivirus
Adware.MSIL.BrowseFox
4.0.3.141121

ESET NOD32
MSIL/BrowseFox (variant)
8.10732

Malwarebytes
PUP.Optional.BrowseStudio.A
v2014.11.21.09

Qihoo 360 Security
HEUR/QVM03.0.Malware.Gen
1.0.0.1015

Reason Heuristics
Adware.Yontoo.Service.S
14.11.21.23

Trend Micro House Call
Suspicious_GEN.F47V1113
7.2.325

File size:
513.7 KB (526,064 bytes)

Product version:
1.0.5426.11424

Original file name:
BrowseStudio.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\Program Files\browsestudio\updatebrowsestudio.exe

Digital Signature
Signed by:
BrowseStudio

Authority:
VeriSign, Inc.

Valid from:
9/1/2014 7:00:00 PM

Valid to:
9/2/2015 6:59:59 PM

Subject:
CN=BrowseStudio, O=BrowseStudio, 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:
11AE532A33120159E1078A0D3EDE88C9

File PE Metadata
Compilation timestamp:
11/9/2014 8:20:54 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
12288:kMd6sVh+l5pHcBP1FQvGE4++bGgFKYh/mdSD5+A0o5:kc6saqP1FQvCPkYheMD5/F

Entry address:
0x80272

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:
5.9151

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

Code size:
505 KB (517,120 bytes)

Service
Display name:
Update BrowseStudio

Type:
Win32OwnProcess


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