garrys mod.exe

Download Admin

This is the Tightrope WebInstall which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application garrys mod.exe by Download Admin 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 Tightrope WebInstall installer. The file has been seen being downloaded from files5.fastdownload3.com.
Publisher:
Download Admin  (signed and verified)

MD5:
bcaa4d6368a0befdb7aaf7b51f4faf76

SHA-1:
d2913488238da6170624804065e2af0366ab637e

SHA-256:
565bb2c7e294001c9af545eb2ce6fbb765e6c0da89b6ebf4bdebbbe73ad02bcb

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 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
11/16/2024 9:37:30 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Tightrope.DownloadAdmin.Bundler (M)
16.2.4.1

File size:
916.3 KB (938,328 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Tightrope WebInstall (using Nullsoft Install System)

Language:
Language Neutral

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

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
3/19/2013 6:00:00 PM

Valid to:
5/29/2016 5:59:59 PM

Subject:
CN=Download Admin, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Download Admin, L=SAN FRANCISCO, 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:
2EEB247A8F9D63D74CE7EF9551E3D401

File PE Metadata
Compilation timestamp:
6/17/2014 9:35:36 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:WxpJMyVWJ0q4kfS6wKhmcRf6vEh7+KAFgtp51idtDWEqOWtVr2/NoPH48g:ipanJ0ZkKIh7mFgfidtDWEn20/No

Entry address:
0x3341

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, B0, 73, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, C0, 70, 40, 00, 53, FF, 15, 88, 72, 40, 00, 6A, 08, A3, F8, 24, 7A, 00, E8, 2C, 25, 00, 00, 53, 68, 60, 01, 00, 00, A3, 00, 24, 7A, 00, 8D, 44, 24, 38, 50, 53, 68, 43, 74, 40, 00, FF, 15, 64, 71, 40, 00, 68, 38, 74, 40, 00, 68, 00, 1C, 7A, 00, E8, 1D, 24, 00, 00, FF, 15, BC, 70, 40, 00, 50, BF, 00, 80, 7A, 00, 57, E8, 0B, 24, 00, 00...
 
[+]

Entropy:
7.5077

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

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