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adobeflashplayer15betastandalone-setup.exe

Sanflex

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 adobeflashplayer15betastandalone-setup.exe by Sanflex has been detected as adware by 13 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:
Sanflex  (signed and verified)

MD5:
f57399e0916b8c7508e44c3376a54be4

SHA-1:
88c71654a0e1b5f6ed646d4c3447cadcec320bfd

SHA-256:
76f2952e8e613eeffbddd9676f06835d0c6b5ad28d908a254b1288e0431748ec

Scanner detections:
13 / 68

Status:
Adware

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:
12/26/2024 12:50:46 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.Downware
2014.12.04

Avira AntiVirus
ADWARE/Adware.Gen
7.11.30.172

AVG
Generic
2015.0.3271

Clam AntiVirus
Win.Adware.Downloadadmin
0.98/19722

Dr.Web
Adware.Downware.2220
9.0.1.05190

ESET NOD32
Win32/DownloadAdmin.H potentially unwanted application
7.0.302.0

IKARUS anti.virus
Trojan.Dropper
t3scan.1.8.5.0

K7 AntiVirus
Unwanted-Program
13.186.14225

Malwarebytes
PUP.Optional.DownloadAdmin
v2014.12.04.12

NANO AntiVirus
Riskware.Win32.Downware.djahkt
0.28.6.63850

Reason Heuristics
PUP.Tightrope.Bundler
15.5.3.0

VIPRE Antivirus
Threat.4783369
35224

File size:
822.5 KB (842,288 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\adobeflashplayer15betastandalone-setup.exe

Digital Signature
Signed by:
Sanflex

Authority:
VeriSign, Inc.

Valid from:
7/21/2014 7:00:00 PM

Valid to:
7/21/2017 6:59:59 PM

Subject:
CN=Sanflex, O=Sanflex, 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:
42D7699269B5BB95341F5DA022F6E57D

File PE Metadata
Compilation timestamp:
7/15/2014 11:29:31 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:IxpJfslZtuaVd9lpmhwQbift489IVGD4xJFl6Xqb5Kbmkg8SUZ:Mp9sVuaVdvgVbmgGDijyikg5Y

Entry address:
0x3345

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, 2E, 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, 1F, 24, 00, 00, FF, 15, BC, 70, 40, 00, 50, BF, 00, 90, 42, 00, 57, E8, 0D, 24, 00, 00...
 
[+]

Entropy:
7.4902

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file adobeflashplayer15betastandalone-setup.exe has been seen being distributed by the following 2 URLs.

http://files4.fastdownload7.com/download/.../dl?bc=1131452&pid=LeadImpact&brand=securedownload01.com&aid=internetexplore&s=128&c=FlashPlayer&country=US&cb=-1591160242&zTmp=1

http://files5.securedownload01.com/dl?bc=1131452&source=128&c=FlashPlayer&geo

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