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insta_downloader.exe

YourFile Downloader

Via Advertising Group Limited

This is the Via Advertising bundle installer which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application insta_downloader.exe by Via Advertising Group Limited has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the YourFile Downloader installer. The file has been seen being downloaded from dn.yourfiledownloader.net.
Publisher:
http://yourfiledownloader.net  (signed by Via Advertising Group Limited)

Product:
YourFile Downloader

Version:
1, 0, 0, 293

MD5:
5548422287724ae5e9ff05078b7f508e

SHA-1:
afa0d087328716a8633b7c5311da47dc958d8c91

SHA-256:
e4710a435dbbecc7d08825063e7caa1e351363f7aeda58b4a5a2f67a55ca4476

Scanner detections:
1 / 68

Status:
Adware

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.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
12/29/2024 2:29:14 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Via Advertising.ViaAdver.Bundler (M)
16.4.24.15

File size:
6.6 MB (6,956,552 bytes)

Product version:
1.0.0

Copyright:
Copyright http://yourfiledownloader.net (C) 2012

Original file name:
YourFile.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
YourFile Downloader

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\insta_downloader.exe

Digital Signature
Signed by:
Via Advertising Group Limited

Authority:
COMODO CA Limited

Valid from:
4/12/2013 2:00:00 AM

Valid to:
4/12/2016 1:59:59 AM

Subject:
CN=Via Advertising Group Limited, O=Via Advertising Group Limited, STREET=Boumpoulinas 11, L=Nicosia, S=Nicosia, PostalCode=1060, C=CY

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

Serial number:
00BABC309174F531C6762BBA466401FEAF

File PE Metadata
Compilation timestamp:
7/26/2014 8:35:05 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
196608:/xU0d2ZYqa8pZ9pJ4jTYlQ0+A1yUZOXvg/:/xUU8pZ9pblQTosvg/

Entry address:
0x40527

Entry point:
E8, C8, F0, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, 40, 4B, 47, 00, E8, 13, 78, 00, 00, E8, 3A, 29, 00, 00, 0F, B7, F0, 6A, 02, E8, 5B, F0, 00, 00, 59, B8, 4D, 5A, 00, 00, 66, 39, 05, 00, 00, 40, 00, 74, 04, 33, DB, EB, 33, A1, 3C, 00, 40, 00, 81, B8, 00, 00, 40, 00, 50, 45, 00, 00, 75, EB, B9, 0B, 01, 00, 00, 66, 39, 88, 18, 00, 40, 00, 75, DD, 33, DB, 83, B8, 74, 00, 40, 00, 0E, 76, 09, 39, 98, E8, 00, 40, 00, 0F, 95, C3, 89, 5D, E4, E8, 61, B5, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Entropy:
7.9535  (probably packed)

Code size:
374 KB (382,976 bytes)

The file insta_downloader.exe has been seen being distributed by the following URL.

http://dn.yourfiledownloader.net/j5GsWXHEqB1yx/.../dZxUaWLMkLp3G8e6cJFXr2HE1yFizRfgMBbHJ9sGlrRNEJ11n0CNpEwWT6KcOUolXbYJnlp7ms9O w2YUL4Yz0D4gMtatNAeEqiD3YX1Q9wXMMtVFDGExkMm0ofcoFOFXKHpEQg1uMJfIu6D2LxvgVi97QjOL raWzp6joOt svEYjLNFTpgCBQt4wsAY TNFOM1xlE3tBXG47ZDuWR3V28lfpH78ijRrTK8hygNvwfoGXltqA=

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