flashplayerupdate-setup.exe

Blueis

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 flashplayerupdate-setup.exe by Blueis has been detected as adware by 16 anti-malware scanners. The program is a setup application that uses the Tightrope WebInstall installer. The installer is marketed through download protals and search ads as the free Adobe Flash Player but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
Blueis  (signed and verified)

MD5:
75c6876bc218b318a3ee7d8952bd7d2d

SHA-1:
e0839bdf4e4ca152014ed3d72cf8417196fc9da1

SHA-256:
e260d2fe427381d74952ff5edafec161ee9c712ad40afd1e250b86384425ec15

Scanner detections:
16 / 68

Status:
Adware

Explanation:
Bundles additional software, mostly toolbars and other potentially unwanted applications using the Vittalia monitization installer.

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:
4/30/2024 9:21:53 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.DownloadAdmin
2015.05.28

Avira AntiVirus
PUA/DownloadAdmin.Gen
8.3.1.6

avast!
Win32:DownloadAdmin-H [PUP]
150525-2

AVG
Generic
2016.0.3096

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Trojan.Downloadadmin
0.98/21511

Dr.Web
Trojan.Vittalia.74
9.0.1.05190

ESET NOD32
Win32/DownloadAdmin.I potentially unwanted application
7.0.302.0

K7 AntiVirus
Unwanted-Program
13.204.16045

Malwarebytes
PUP.Optional.DownloadAdmin.C
v2015.05.27.01

NANO AntiVirus
Trojan.Win32.XPACK.dprfbr
0.30.24.1636

Quick Heal
PUA.Blueis.Gen
5.15.14.00

Reason Heuristics
PUP.Tightrope.Bundler
15.5.27.9

Vba32 AntiVirus
Downloader.Agent
3.12.26.4

VIPRE Antivirus
Threat.4783369
40552

File size:
657.9 KB (673,672 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
11/6/2014 4:00:00 PM

Valid to:
11/7/2015 3:59:59 PM

Subject:
CN=Blueis, O=Blueis, 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:
58AC2B1B2E1E80F003ECEE0F41F4124A

File PE Metadata
Compilation timestamp:
1/28/2015 10:35:11 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:t4BS2ly9NKPRdegPsgQr/745jezvROTVo80d1WU1ntTxJ10gJ1Tvz0q:thhKeiHQr/s1uRCBQWMxDp0q

Entry address:
0x234A

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 78, 73, 40, 00, 33, F6, C6, 44, 24, 14, 20, E8, F8, FD, FF, FF, FF, 15, 30, 77, 40, 00, 68, 01, 80, 00, 00, FF, 15, C0, 70, 40, 00, 53, FF, 15, 2C, 77, 40, 00, 6A, 08, A3, 98, 3D, 42, 00, E8, DD, F9, FF, FF, 53, 68, 60, 01, 00, 00, A3, A0, 3C, 42, 00, 8D, 44, 24, 38, 50, 53, 68, 0B, 74, 40, 00, FF, 15, 50, 71, 40, 00, 68, 00, 74, 40, 00, 68, A0, 34, 42, 00, E8, 5A, F3, FF, FF, FF, 15, BC, 70, 40, 00, 50, BF, 00, 90, 42, 00, 57...
 
[+]

Entropy:
7.9732

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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

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