-request-_downloader.exe

YourFileDownloader Installer

Mtech

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 -request-_downloader.exe by Mtech 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 dll513.yorfiled.com.
Publisher:
http://yourfile-downloader.com  (signed by Mtech)

Product:
YourFileDownloader Installer

Version:
1, 0, 665, 1

MD5:
71970d53f2ac0131f0ec3431c5aac14c

SHA-1:
f7edb3a3089c948ed7d8b5aede5c0399618833a9

SHA-256:
b58fc05b7c1ee4520faac722b2b54b2fe3376aaf9a97c96ef9465fef6b9a91b2

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 an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
11/25/2024 12:29:51 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Via Advertising (M)
16.7.20.13

File size:
4.4 MB (4,653,400 bytes)

Product version:
1.0.0.1

Copyright:
Copyright http://yourfile-downloader.com (C) 2014

Original file name:
YourFileDownloaderInstaller.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
YourFile Downloader

Language:
English

Common path:
C:\users\{user}\downloads\-request-_downloader.exe

Digital Signature
Signed by:

Authority:
Mtech

Valid from:
4/23/2015 10:27:39 AM

Valid to:
4/22/2016 10:27:39 AM

Subject:
CN=Mtech, O=Mtech, S=London, C=UK

Issuer:
CN=Mtech, C=UK, S=London, L=London, E=admin@mtech.com, O=Mtech

Serial number:
100001

File PE Metadata
Compilation timestamp:
4/24/2015 6:32:16 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
98304:vzpnYbPH26Ivs1Kn0Wj4pV2pfnIVz/XzR:v6j6H0WLlIVz/l

Entry address:
0x8F1588

Entry point:
9C, E9, E4, 1A, 00, 00, 66, C7, 04, 24, 85, 47, 60, 88, 64, 24, 08, 8D, 64, 24, 24, 0F, 84, AE, CF, BE, FF, 66, 0F, A3, FD, F8, 84, FB, F5, 2C, 30, F9, F8, 60, 3C, 09, 8D, 64, 24, 20, 0F, 81, 1E, 7F, BF, FF, 0F, 87, 17, DF, BE, FF, 60, FF, 34, 24, F9, E8, A5, 5E, BE, FF, 5B, 34, B3, F5, 43, A1, 18, 3F, B4, B3, E5, 8A, 73, A3, F5, A2, 08, 51, AC, 8E, 0A, 79, 84, 7E, 1A, 65, 33, 54, 44, 57, 41, 62, 36, 3D, AA, FB, 85, 12, 9C, C9, 7C, 9D, 77, 9B, 0F, 82, 54, 11, C5, 64, D2, 4A, D5, AF, 77, 86, 8C, 4B, 2D, 50...
 
[+]

Entropy:
7.9276  (probably packed)

Code size:
1.1 MB (1,163,776 bytes)

The file -request-_downloader.exe has been seen being distributed by the following URL.

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