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jigsawworld-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 jigsawworld-setup.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 files4.freega.me and multiple other hosts.
Publisher:
Download Admin  (signed and verified)

MD5:
80eb21565be208cfa467ef9999dd5171

SHA-1:
9f3917c83c0565cb7b797eb071688fa36bd6a5cc

SHA-256:
35790bfd4ec881f9d106f2f3457b4ce5aa972c2d42f9927b5bad778ac80984e1

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 also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
5/7/2024 10:18:40 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Installer.DownloadAdmin.R
14.8.7.20

File size:
75.8 MB (79,453,704 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:
Download Admin

Authority:
VeriSign, Inc.

Valid from:
3/20/2013 12:00:00 AM

Valid to:
5/30/2016 12:59:59 AM

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 7:07:51 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:fxpJgJzNGqv7K8sobvmEenOnseuE6FkhGS3piBNQ:Jp23jDK8R7enOnb3GBQ

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 jigsawworld-setup.exe has been seen being distributed by the following 7 URLs.

http://files4.freega.me/download/.../dl?s=google&c=single1&brand=Freega.me&pid=TR&bc=13428&country=GB&cb=-2075604429

http://files4.freega.me/download/.../dl?s=google&c=single1&brand=Freega.me&pid=TR&bc=13428&country=GB&cb=-1018360275

http://files4.freega.me/download/.../dl?s=google&c=single1&brand=Freega.me&pid=TR&bc=13428&country=GB&cb=462145570

http://files4.freega.me/download/.../dl?s=google&c=single1&brand=Freega.me&pid=TR&bc=13428&country=GB&cb=1857876200

http://files4.freega.me/download/.../dl?s=google&c=single1&brand=Freega.me&pid=TR&bc=13428&country=GB&cb=1592738359

http://files4.freega.me/download/.../dl?s=google&c=single1&brand=Freega.me&pid=TR&bc=13428&country=GB&cb=-385550156

http://files5.freega.me/dl?bc=13428&geo

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