installer_adobe_flash_player_english.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 installer_adobe_flash_player_english.exe by Sanflex has been detected as adware by 10 anti-malware scanners. The program is a setup application that uses the Tightrope WebInstall installer. The file has been seen being downloaded from freempr9.warerefree.com.
Publisher:
Sanflex  (signed and verified)

MD5:
65ed93c0bac690a3723c1dfe8dde9eb0

SHA-1:
c2b845dd831f05d3328569dbc82355fe215879e9

SHA-256:
2365237567eb7aec332fe92038d603f7dac860d08b3fb406cb7c2dd242969f60

Scanner detections:
10 / 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:
11/25/2024 8:33:43 AM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.Downware
2014.10.12

Avira AntiVirus
ADWARE/Adware.Gen
7.11.30.172

Clam AntiVirus
Win.Adware.Downloadadmin
0.98/19501

F-Secure
Adware:W32/WebInstallBundle
11.2015-04-09_6

herdProtect (fuzzy)
2015.9.4.9

K7 AntiVirus
Unwanted-Program
13.183.13642

Malwarebytes
PUP.Optional.DownloadAdmin
v2015.09.04.09

Reason Heuristics
PUP.Tightrope.Sanflex.Bundler (M)
15.7.31.2

Sophos
Download Admin
4.98

VIPRE Antivirus
Threat.4150696
33706

File size:
823.3 KB (843,096 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\installer_adobe_flash_player_english.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
7/21/2014 8:00:00 PM

Valid to:
7/21/2017 7:59:59 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 12:29:31 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:TxpJfslZtuaVd9lpmhwQbift489IVGD4xJFl6Xqb5Kbmkg8SG:tp9sVuaVdvgVbmgGDijyikg5G

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:
7.4908

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file installer_adobe_flash_player_english.exe has been seen being distributed by the following URL.

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