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startbutton8-setup.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 startbutton8-setup.exe by Download Admin has been detected as adware by 7 anti-malware scanners. The program is a setup application that uses the Tightrope WebInstall installer. The file has been seen being downloaded from files4.softreviews.co and multiple other hosts.
Publisher:
Download Admin  (signed and verified)

MD5:
2420b370f1b04b938e5de944d3fb8635

SHA-1:
065565355c4c6c81729ed3386c3166bd3f6f1455

SHA-256:
f7430beeda7d561836c3e16ebe51809f5fdaed16459b606efac153634364dea4

Scanner detections:
7 / 68

Status:
Adware

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:
5/8/2024 6:46:51 AM UTC  (today)

Scan engine
Detection
Engine version

Comodo Security
Application.Win32.DownloadAdmin.TTK
18142

Dr.Web
Adware.Downware.2220
9.0.1.0199

ESET NOD32
Win32/DownloadAdmin
8.9704

herdProtect (fuzzy)
variant of flashplayerpro-setup.exe (Adware)
2014.7.18.20

NANO AntiVirus
Trojan.Win32.Downware.crgjbr
0.28.0.59492

Reason Heuristics
PUP.Installer.DownloadAdmin.S
14.8.7.20

VIPRE Antivirus
DownloadAdmin
28466

File size:
75.8 MB (79,453,968 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\startbutton8-setup.exe

Digital Signature
Signed by:
Download Admin

Authority:
VeriSign, Inc.

Valid from:
3/19/2013 7:00:00 PM

Valid to:
5/29/2016 6:59:59 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:
6/22/2012 1:07:51 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:ExpJ/xOJ5iQ/817fkZZ3Yzboo9RM6RS3r8Qksh0+vhd00hx+9BWEXS3BNm:4ppxs5iQ/817L0o9q6RSg0d0YJEi3BN

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:
0.1439

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file startbutton8-setup.exe has been seen being distributed by the following 2 URLs.

http://files4.softreviews.co/download/.../dl?s=google_content&c=SoftRev_StartButton8_CCUS_Content&variation=saveas-all&brand=SoftReviews.co&pid=TR&bc=996088&country=US&cb=1346652961

http://files5.softreviews.co/dl?bc=996088&source=google_content&c=SoftRev_StartButton8_CCUS_Content&geo

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