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Smartbar.exe

Yuna Software Limited

This is part of the Linkury/SnapDo monetization software, a web browser toolbar used to hijack a user's search in order to collect revenues. The SmartBar is a a potentially unwanted toolbar and Windows Gadget that is advertising supported (adware). The application Smartbar.exe by Yuna Software Limited has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is set to automatically start when a user logs into Windows via the current user run registry key under the display name ‘Browser Infrastructure Helper’.
Publisher:
Smartbar  (signed by Yuna Software Limited)

Product:
Smartbar

Version:
1.2.0.0

MD5:
a00018c45a46b5d2ade0e8a0900ffb94

SHA-1:
44b462aa13a0e53b6dcd5cb5256ff46c690a7ec7

SHA-256:
6692f6f131fe7e4f50d95ff23a2b618d7706d41f9af68068c7ec11aa38742d15

Scanner detections:
1 / 68

Status:
Potentially unwanted

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
4/16/2024 10:41:37 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Win32.Generic
16.2.11.20

File size:
18.8 KB (19,272 bytes)

Product version:
1.2.0.0

Original file name:
Smartbar.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\smartbar\application\smartbar.exe

Digital Signature
Signed by:
Yuna Software Limited

Authority:
VeriSign, Inc.

Valid from:
10/20/2009 1:00:00 AM

Valid to:
10/20/2012 12:59:59 AM

Subject:
CN=Yuna Software Limited, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Yuna Software Limited, L=St. Helier, S=Jersey, C=GB

Issuer:
CN=VeriSign Class 3 Code Signing 2009-2 CA, OU=Terms of use at https://www.verisign.com/rpa (c)09, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
6DF4318F9EA4EEB8E01F4B0B02CDF983

File PE Metadata
Compilation timestamp:
5/7/2012 11:59:16 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
384:QdewdpFSfwe25+RIldORoDBmVamEt9fZw3rIsbRTYJLI+bCw19:+pBmA9IrIsdSLxbCs9

Entry address:
0x4AFE

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...
 
[+]

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

Code size:
11 KB (11,264 bytes)

Startup File (User Run)
Registry location:
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

Name:
Browser Infrastructure Helper

Command:
C:\users\{user}\appdata\local\smartbar\application\smartbar.exe startup


The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to 57.9d.a86c.ip4.static.sl-reverse.com  (108.168.157.87:80)

TCP (HTTP):
Connects to 50.75.c0ad.ip4.static.sl-reverse.com  (173.192.117.80:80)

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