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whatsapp-for-pc-free.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 whatsapp-for-pc-free.exe by Sanflex 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 securefilecloud.net and multiple other hosts.
Publisher:
Sanflex  (signed and verified)

MD5:
54c2385a84b7e0652cf50c2c42419a94

SHA-1:
52e27a5cf526276033b024dce151de7bf369ebfc

SHA-256:
615aae4fc571d0b70d925fb442018b6eaadf8f9676361f5beca4e1e6f4a9c5f7

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 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:
12/25/2024 2:10:51 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Tightrope.Sanflex.Bundler (M)
16.1.28.10

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\whatsapp-for-pc-free.exe

Digital Signature
Signed by:
Sanflex

Authority:
VeriSign, Inc.

Valid from:
7/22/2014 5:30:00 AM

Valid to:
7/22/2017 5:29:59 AM

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 9:59:31 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:RxpJfslZtuaVd9lpmhwQbift489IVGD4xJFl6Xqb5Kbmkg8St:jp9sVuaVdvgVbmgGDijyikg5t

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 whatsapp-for-pc-free.exe has been seen being distributed by the following 4 URLs.

http://securefilecloud.net/.../whatsapp-for-pc-free.exe

http://whatsapp.descargar.es/down.php

http://filemanagersafe.com/.../whatsapp-for-pc-free.exe

http://toolboox.com/.../whatsapp-for-pc-free.exe

Remove whatsapp-for-pc-free.exe - Powered by Reason Core Security
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