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downloader.exe

Direct Download Gtt

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application downloader.exe by Direct Download Gtt 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 OutBrowse Revenyou installer. The file has been seen being downloaded from get.file16desktop.com.
Publisher:
Direct Download Gtt  (signed and verified)

MD5:
48e85cf7f42443693ad11671781fb8a5

SHA-1:
00bdbeeeaa4fa30228f1a733e288b26f0efd0b01

SHA-256:
14389576ef7ebd8c893d089b3374f26518309a25d7af3e46fdfcbc0e2d2f3b4c

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:
11/2/2024 1:25:41 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.DirectDownloadGtt.Bundler (M)
16.2.12.1

File size:
578.8 KB (592,712 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OutBrowse Revenyou (using Nullsoft Install System)

Language:
Language Neutral

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

Digital Signature
Signed by:
Direct Download Gtt

Authority:
thawte, Inc.

Valid from:
2/5/2015 2:00:00 AM

Valid to:
1/28/2016 1:59:59 AM

Subject:
CN=Direct Download Gtt, O=Direct Download Gtt, L=Dublin, S=Dublin, C=IE

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
1368B5662E01BF764D0663326565A2F0

File PE Metadata
Compilation timestamp:
12/6/2009 12:50:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:+x1R4GRoxkXn0U2wIBW0D9OfgIstnA8uz1+L6bzZV:+xf4nin0UKQ0bFnA8FObj

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9655

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://get.file16desktop.com/.../Get?p=5654&d=8701&l=8181&n=1&productname=Downloader&dynamicname=Downloader&filename=Downloader&d1=1895000&d2=0&d3=1&

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