.qwerty File Virus - How to Remove and Restore Data

.qwerty File Virus – How to Remove and Restore Data

.qwerty file virus remove decrypt data

This article provides you a detailed guide that will help you to remove .qwerty file virus from the infected computer and restore encrypted files.

If you see a message on your PC that is written in Portuguese and starts with the announcement “ATENÇÃO! Todos os seus arquivos foram seqüestrados!”, your machine has been compromised by the .qwerty file virus. As the threat is known to act like a typical ransomware, it aims to encrypt files that store valuable information and then blackmail you into paying a ransom to hackers. The encrypted files can be recognized by the .qwerty extension appended at the end of their names.

Threat Summary

Name.qwerty File Virus
Short DescriptionThe ransomware encrypts files on your computer and displays a ransom message afterward.
SymptomsEncrypted files have appended the extension .qwerty. They cannot be accessed. A ransom note message demands ransom of 0.05 BTC.
Distribution MethodSpam Emails, Email Attachments, Compromised Web Pages
Detection Tool See If Your System Has Been Affected by .qwerty File Virus


Malware Removal Tool

User ExperienceJoin Our Forum to Discuss .qwerty File Virus.
Data Recovery ToolWindows Data Recovery by Stellar Phoenix Notice! This product scans your drive sectors to recover lost files and it may not recover 100% of the encrypted files, but only few of them, depending on the situation and whether or not you have reformatted your drive.

Delivery Techniques for .qwerty File Virus

The malicious payload of .qwerty file virus may sneak into the system via several vicious techniques. Commonly used one is an email with compromised components like file attachment or in-text link. The malicious emails that deliver the .qwerty ransomware payload might activate emotional triggers making you more prone to download a critical attached file or visit a web page. Both ways grant the threat access to your PC. Furthermore, hackers may spoof the email sender and the email address posing as representatives of well-known companies, home or business services, websites, etc.

The conducted analyses of .qwerty file virus’ samples reveal that a single executable file named Instalador.exe is capable of triggering the attack. This file may be embedded in a document, PDF, text or another file that can be then distributed via email attachments, instant messaging services, torrent websites, and social media.

Another delivery technique is the same malicious script being injected into a corrupted web page. The link to this page can be spread across the internet via malvertising campaigns, emails, and various messaging platforms.

SInfection Flow of .srpx File Virus a.k.a Serpent Ransomware

The .qwerty file virus is a specific kind of malware aims to encrypt files bearers of valuable information stored on the compromised host. After encryption, the access to all encrypted files is wholly restricted and they are marked with the .qwerty file extension.

What the .qwerty ransomware might first do is to drop additional malicious files on the computer. The files associated with this crypto virus are likely to be situated in some significant system folders like:

  • %Temp%
  • %Roaming%
  • %UserProfile%
  • %AppData%

The .qwerty file virus is a sophisticated threat and as a such, it can compromise various system settings like those of the Registry Editor. Once .qwerty ransomware accesses the Editor, it might create some malicious values under the Run and RunOnce subkeys. These subkeys are often attacked by ransomware as they manage the execution of all programs that are set to start each time the operating system loads. Probably you already suspect what .qwerty virus achieve by modifying these two keys.

By establishing its malicious payload Infecdor.exe as to start by default on each system load the ransomware grants its persistent presence on the system. The functionalities of same subkeys can also be used in the final stage of the attack when the virus needs to display its ransom message on the PC screen.

The ransom note file contains message written in Portuguese that reads the following:

ATENÇÃO! Todos os seus arquivos foram seqüestrados!
O que aconteceu com o meu computador?
Seu computador sofreu um seqüestro de dados, os seus arquivos importantes (documentos, planilhas, videos. anotações e etc), estão agora protegido com uma criptografia altamente complexa e segura.
Você não poderá mais acessar os seus arquivos!
Como faço para desbloquear?
Você deverá pagar a quantia de 0.05000000 Bitcoin para o endereço 15tGsTDLMztrxP1kCoKPBTaBgv1xCKRtkY
Depois de pago iremos enviar a sua senha e você poderá desbloquear rapidamente seus arquivos!
Como entrar em contato?
Através do nosso telegram iremos enviar a senha do seu computador!
Telegram: http://t.me/@rodolfoanubis

Muito obrigado aguardamos o contato!

.qwerty File Virus Aguarde ransom note

Below you can see the text in English transformed with the help of a translation tool:

ATTENTION! All your files have been hijacked!
What happened to my computer?
Your computer has been hijacked, your important files (documents, spreadsheets, videos, notes, etc.) are now protected with highly complex and secure encryption.
You will no longer be able to access your files!
How do I unlock?
You must pay the amount of 0.05000000 Bitcoin to the address 15tGsTDLMztrxP1kCoKPBTaBgv1xCKRtkY
Once paid we will send you your password and you can quickly unlock your files!
How to get in touch?
Through our telegram we will send the password of your computer!
Telegram: http://t.me/@rodolfoanubis

Thank you very much for the contact!

In general, hackers want to blackmail you into transferring them a ransom of 0.05 BTC to their Bitcoin address. However, there is no guarantee that they will provide you a working solution for your .qwerty files even if you pay the ransom. It’s better to ignore their menaces and overcome the problem by the help of alternative ways. Thereby you will stay away from further financial and privacy abuses.

Encryption Process of .qwerty Ransomware

The primary aim of .qwerty file virus is to scan the system for particular files that are set as its targets. When the ransomware finds a target file it utilizes strong cipher algorithm to encode it. As a result, the file becomes unusable as the access to the information it contains is restricted. All corrupted files receive the .qwerty extension at the end of their names.

The analyses of the .qwerty virus samples reveal that the following types of files can be corrupted by the threat:

→.tx, .doc, .docx, .xls, .xlsx, .ppt, .pptx, .odt, .png, .csv, .sql, .mdb, .php

According to the ransomware researcher Michael Gillespie, the .qwerty virus belongs to the HiddenTear ransomware family and is a decryptable one. The researcher has found that on the current stage of .qwerty ransomware development the locked .qwerty files can be decrypted by the HiddenTear Decrypter tool. Before you proceed with the restore process, you should be sure to have a backup of all .qwerty files on an external drive. This step prevents the risk of losing your data in case that something gets wrong during the recovery process.

Related: Decrypt Files Encrypted by HiddenTear Ransomware Variants

Removae .qwerty File Virus and Restore Data

Below you can find a set of manual removal instructions for .qwerty file virus. Beware that threat samples reveal that it has a really complex code so the removal process can be sort of challenging task even for tech-savvy guys. That’s why the help of professional anti-malware tool is recommended for maximum efficiency. Such tool will scan the whole system to locate all malicious files so you can easily get rid of them with a few mouse clicks.

Gergana Ivanova

Gergana Ivanova

Gergana has completed a bachelor degree in Marketing from the University of National and World Economy. She has been with the STF team for four years, researching malware and reporting on the latest infections.

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