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mysteryofsharkisland-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 mysteryofsharkisland-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.playfin.com and multiple other hosts.
Publisher:
Download Admin  (signed and verified)

MD5:
03b23e07e95062f986a213f93493c250

SHA-1:
3d0b6fc481ae771a0047a56b3cd58b5e0a1fe87c

SHA-256:
496f41102daa94852c45a18311460dcd987bfdca7ba66f1becff322d67aae7c2

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:
4/26/2024 6:59:43 AM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.Downware.2220
9.0.1.0351

ESET NOD32
Win32/DownloadAdmin
8.9596

Malwarebytes
PUP.Optional.DownloadAdmin
v2014.12.17.01

NANO AntiVirus
Trojan.Win32.Downware.crgjbr
0.28.0.58720

Reason Heuristics
PUP.Installer.DownloadAdmin.AA
14.12.17.13

Sophos
Download Admin
4.98

VIPRE Antivirus
DownloadAdmin
27750

File size:
75.8 MB (79,454,712 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\mysteryofsharkisland-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:/xpJgJzNGqv7K8sobvmEenOnseuE6FkhGS3piBN:pp23jDK8R7enOnb3GB

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:
0.1440

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file mysteryofsharkisland-setup.exe has been seen being distributed by the following 3 URLs.

http://files4.playfin.com/download/.../dl?s=google&c=playfin_multigames&variation=TB10499&brand=playfin.net&pid=TR&bc=512523&country=GB&cb=912541639

http://files4.playfin.com/download/.../dl?s=google&c=playfin_multigames&variation=TB10499&brand=playfin.net&pid=TR&bc=512523&country=GB&cb=-489542959

http://files5.playfin.com/dl?bc=512523&geo

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