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fassurun.FirstRun.exe

FirstRun

fassurun

The Yontoo branded FirstRun executable is distributed as part of a Yontoo product bundle and is desigend to install components of this ad-supported (injection) program as well as 'call home' to inform the server that the extension was installed and may request additional instructions. The application fassurun.FirstRun.exe by fassurun has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
fassurun  (signed and verified)

Product:
FirstRun

Version:
1.0.0.0

MD5:
eb769ea6333f2e4f1f3da035624f1574

SHA-1:
d9494c06b5a624e40dc9b44420304d6c2bd87fc9

SHA-256:
a32a1a222aff18cc32be2cb5fa4a43b4f06a3fb5ce67ddf096fced4ce245dc5a

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Part of the Yontoo ad injection web browser add-on.

Analysis date:
12/24/2024 12:01:24 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo (M)
17.3.3.18

File size:
1 MB (1,089,304 bytes)

Product version:
1.0.0.0

Copyright:
Copyright © 2014

Original file name:
fassurun.FirstRun.exe

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\fassurun\fassurun.firstrun.exe

Digital Signature
Signed by:
fassurun

Authority:
VeriSign, Inc.

Valid from:
8/20/2013 7:00:00 PM

Valid to:
8/20/2015 6:59:59 PM

Subject:
CN=fassurun, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=fassurun, 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:
6EA3A2D62F7379560AF4974E60282338

File PE Metadata
Compilation timestamp:
2/9/2014 3:40:53 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

Entry address:
0x109BBE

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, 02, 00, 10, 00, 00, 00, 20, 00, 00, 80, 18, 00, 00, 00, 2C, 03, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 01, 00, 00, 00, 38, 00, 00, 80, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
7.9482

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

Code size:
1 MB (1,080,320 bytes)

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