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halflife2garrysmod-setup.exe

Web Install

This installer uses the CNET Download.com download manager (private label) in order to provide monetized offerings to end users. These offers could include ad-supported toolbars or various web browser extensions. The application halflife2garrysmod-setup.exe by Web Install 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 DownloadCom Spot Install installer. The file has been seen being downloaded from dw.cbsi.com.
Publisher:
Web Install  (signed and verified)

MD5:
c5a71125f0c5209a3411bd592af2b18d

SHA-1:
ef67676ad6deb931a5044031c9684f6e6695ffc3

SHA-256:
b96817b0e1927c48d16596895b384385c4bd43e62f7952f57261a860ec99ef8d

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:
12/24/2024 11:14:04 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.CBS (M)
17.3.14.20

File size:
641.5 KB (656,864 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
DownloadCom Spot Install (using Nullsoft Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\halflife2garrysmod-setup.exe

Digital Signature
Signed by:
Web Install

Authority:
VeriSign, Inc.

Valid from:
3/19/2013 5:00:00 PM

Valid to:
3/19/2016 4:59:59 PM

Subject:
CN=Web Install, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Web Install, 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:
6F93708E2A9DB00DA7666A9EA9A5FA00

File PE Metadata
Compilation timestamp:
6/22/2012 11:07:51 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

Entry address:
0x333B

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, B8, 3C, 42, 00, E8, 2C, 25, 00, 00, 53, 68, 60, 01, 00, 00, A3, C0, 3B, 42, 00, 8D, 44, 24, 38, 50, 53, 68, 43, 74, 40, 00, FF, 15, 64, 71, 40, 00, 68, 38, 74, 40, 00, 68, C0, 33, 42, 00, E8, 1D, 24, 00, 00, FF, 15, BC, 70, 40, 00, 50, BF, 00, 90, 42, 00, 57, E8, 0B, 24, 00, 00...
 
[+]

Entropy:
7.9446

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file halflife2garrysmod-setup.exe has been seen being distributed by the following URL.

http://dw.cbsi.com/redir?edId=3&tag=sem_dlnow&lop=google_sem&pid=10467864&mfgId=6268465&merId=6268465&ctype=dm;language&cval=CBSI;en&destUrl=http://.../dlcom?c=SEM-SEO&s=fivemill&pid=dlcom_sem&aid=10353043_6873692650_4663126409&dlc=n&part=fivemill&psetid=10353043&geo&oid=3028-7441_4-10353043&ontId=7441_4&siteId=4&pguid=a0e9b7044290f512ad736cd3

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