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half_byte_loader_psp_6.60_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 half_byte_loader_psp_6.60_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:
6266a85955de564f4bbfda8006c1697b

SHA-1:
cbe224faf4adb5d4cd0f323cf28e4529626b2f69

SHA-256:
f8b19725c24d8decbc96275566c95ff29a879754f4843e16d69322e42a9a73c5

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:
4/19/2024 2:43:58 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ViaAdvertisingGroupLimited.d
14.8.24.3

File size:
6.8 MB (7,106,104 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

Common path:
C:\users\{user}\downloads\half_byte_loader_psp_6.60_downloader.exe

Digital Signature
Signed by:
Via Advertising Group Limited

Authority:
COMODO CA Limited

Valid from:
4/12/2013 9:00:00 AM

Valid to:
4/12/2016 8:59:59 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:
8/6/2014 11:22:41 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
196608:hKft2ZYqa8pZ9pJ4jTY0d90/A1yUZOXvge:hKfF8pZ9pb0zwosvge

Entry address:
0x40297

Entry point:
E8, 58, F0, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, 78, 4C, 47, 00, E8, A3, 77, 00, 00, E8, 3A, 29, 00, 00, 0F, B7, F0, 6A, 02, E8, EB, EF, 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, F1, B4, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Entropy:
7.9550  (probably packed)

Code size:
373.5 KB (382,464 bytes)

The file half_byte_loader_psp_6.60_downloader.exe has been seen being distributed by the following URL.

http://dn.yourfiledownloader.net/j5GNVm7Wlnl/wKhgRtewJ2vOihdhsIZ9OPLtaW673GIq/NJiE ndahDynipIr5wKSuHMXgvTwE1FkZ8GXtU4SgffPFEykXsPKJF/ICOcLLBoi3juNj0uu2UiafYqbRz0P2FA5ERkW/.../ofpTXkt65vt esPevpwnDu6JZz0vKQI9einSre 9A=

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