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gimp-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 gimp-setup.exe by Download Admin has been detected as adware by 6 anti-malware scanners. The program is a setup application that uses the Tightrope WebInstall installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from cdn.akamai.service.downloadadmin.com and multiple other hosts.
Publisher:
Download Admin  (signed and verified)

MD5:
8cdaceb3c3bad18486f576488c18cea5

SHA-1:
a49a74631de6df54daf690450af72a5d7d0a3ffd

SHA-256:
d2ab524554849aa1176120f49d228015d966438f5ebc6f3efb4b722c4caacfdf

Scanner detections:
6 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

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:
4/16/2024 6:47:27 PM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.Downware.2220
9.0.1.0100

ESET NOD32
Win32/DownloadAdmin
8.9658

Malwarebytes
PUP.Optional.InstallCore.A
v2014.04.10.03

NANO AntiVirus
Trojan.Win32.Downware.crgjbr
0.28.0.59048

Reason Heuristics
PUP.Installer.DownloadAdmin.K
14.8.7.20

VIPRE Antivirus
DownloadAdmin
28186

File size:
612.8 KB (627,528 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:
Download Admin

Authority:
VeriSign, Inc.

Valid from:
3/19/2013 8:00:00 PM

Valid to:
5/29/2016 7:59:59 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 2:07:51 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:y6Q778wYSR3FpqJsZ2yHqshvJoHO/7aOXGE+MkBMzW7LomN1gxatKdceJuDF1F:y578wnR1isgEtJow7DF+dX7Lj1gA9jhH

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:
7.9697

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file gimp-setup.exe has been seen being distributed by the following 4 URLs.

http://cdn.akamai.service.downloadadmin.com/download/.../dl?s=dotN&brand=gimpshop.com&pid=gimpshop&bc=918641&country=US&cb=724705790

http://files4.file-mirror.info/download/.../dl?s=dotN&brand=gimpshop.com&pid=gimpshop&bc=918641&country=US&cb=724705790

http://files5.file-mirror.info/dl?bc=918641&s=dotN

http://files4.file-mirror.info/download/.../dl?s=dotN&brand=gimpshop.com&pid=gimpshop&bc=918641&country=US&cb=1502296571

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