A new ransomware reported with the domain weekendwarrior55(.)com redirecting to mail.ru has been reported to encrypt user files with random extensions. Users have increasingly begun complaining that the malicious program has corrupted their data. However, unlike other ransomware, this particular ransomware does not leave a ransom note and lets the victim contact the attacker by the email provided on the encrypted file as an extension or this backup email – cryfile@protonmail(.)com.
Name | Av666@weekendwarrior55(.)com |
Type | Ransomware Trojan |
Short Description | The malicious threat infects users to encrypt their files and extort them with Bitcoins for the decryption. |
Symptoms | The user`s files become corrupt with a Av666@weekendwarrior55(.)com extension. |
Distribution Method | Via PUPs, installed by bundling (Browser Hijackers) or by visiting a suspicious third-party site that is advertising it. |
Detection Tool | Download Malware Removal Tool, to See If Your System Has Been Affected by malware |
User Experience | Join our forum to discuss about the decryption of files encrypted by Av666@weekendwarrior55(.)com Ransomware . |
Av666@weekendwarrior55(.)com Ransomware – How Does It Infect?
This ransomware has been reported on security forums to infect primarily Windows-based computers as well as server machines by email. What it does is it may attach a malicious attachment as a .zip or .rar or other archive formats containing the following file extensions:
→.doc, .docx, .pdf, .xls, .jpg, .bmp
What is more, these files may contain malicious code or have another file in combination to them that may be of the following file extension:
→.bat, .dll ,.tmp ,.exe
This is essentially the file that brings the payload on the victim`s computer.
Av666@weekendwarrior55(.)com Ransomware – More About It
Once activated, these are the most common locations where Av666@weekendwarrior55(.)com Ransomware may create its payload files that may be programmed to scan and encrypt data:
→%AppData%
%LocalAppData%
%ProgramData%
%WinDir%
%User%
%temp%
One of the files reported by users on Bleeping Computer forums have detected a .tmp file that may be disguised as an executable in the following location:
→C:\Users\Administrator\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\99DB.tmp
Malware researchers believe that the malware may also create registry entries with values set to run the executable 99DB.tmp and other malicious files spread by this ransomware trojan on system startup. This may happen in the following Windows Registry entry:
→HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
After delivering its payload, the ransomware begins to scan for user files of different extensions. Users have reported the following types of files being encrypted by this devastating ransomware:
→.pdf, .csv, .xls, .jpg, .rtf, .doc
However, according to researchers the malware may also look for other file extensions to encrypt:
→.cer .crt .db .dbf .der .doc .docm .docx .groups .kwm .mdb .mdf .pem .pwm .rtf .safe .sql .txt .xlk .xlsb .xlsm .xlsx
After encryption, the encrypted file looks like the following:
→FILENAME.EXTENSION_id-RANDOMNUMBERS_id-1026927078_av666@weekendwarrior55.com
The specific detail that distinguishes @ type of ransomware that includes an email in the file extension is that they usually do not leave any ransom note after making files seem corrupt by encrypting them. The situation with Av666@weekendwarrior55(.)com is basically the same. One affected user at Kaldata.com forums has even tried contacting the cyber criminals on the questionable e-mail address provided. The conversation is as follows:
→“Ме:
Hello,
My files has been crypted on Friday, 27.11.2015.
Please, send me a decryptor to unlock my files.
The hijacker:
Hi
If you wish to get all your files back, you need to pay 3 bitcoins.
Go to localbitcoins dot com, it’s probably the easiest way, open an account,
buy bitcoins and then ask me for the address to send the bitcoins to.
Me:
Hi,
My friend, I am from Bulgaria. 3 bitcoins are my salary for two months.
If you agree I can pay 0.1.
The hijacker:
2 btc “
It is highly recommended NOT to try to pay the ransom money that are being suggested by the cyber criminals because of two main reasons:
- You fund the cybercriminals to spread their ransomware and improve it.
- There are methods to restore the files.
Removing Av666@weekendwarrior55(.)com Ransomware Fully From Your PC
To remove this ransomware and decrypt your files, you should copy the encrypted data on an external drive or upload it in the cloud. This is done just in case the ransomware is encoded to delete encrypted data or decryption keys if tampered with. Before following our instructions for restoring your files, you should try the step-by-step instructions after the article to remove all malicious files of the Av666@weekendwarrior55(.)com Ransomware.
Restoring Files Encrypted by Av666@weekendwarrior55(.)com Ransomware
In order to restore your files encrypted by Av666@weekendwarrior55(.)com ransomware successfully via volume shadow copies in Windows, please use the instructions below:
Method 1: Instructions to restore your files encrypted with Av666@weekendwarrior55(.)com extension.
Method 2: Decrypt your files using Volume Shadow Copies in Windows
Attention! SensorsTechForum strongly recommends that all malware victims should look for assistance only by reputable sources. Many guides out there claim to offer free recovery and decryption for files encrypted by ransomware viruses. Be advised that some of them may only be after your money.
As a site that has been dedicated to providing free removal instructions for ransomware and malware since 2014, SensorsTechForum’s recommendation is to only pay attention to trustworthy sources.
How to recognize trustworthy sources:
- Always check "About Us" web page.
- Profile of the content creator.
- Make sure that real people are behind the site and not fake names and profiles.
- Verify Facebook, LinkedIn and Twitter personal profiles.
- Guide 1: How to Remove Av666@weekendwarrior55(.)com from Windows.
- Guide 2: Get rid of Av666@weekendwarrior55(.)com from Mac OS X.
How to Remove Av666@weekendwarrior55(.)com from Windows.
Step 1: Boot Your PC In Safe Mode to isolate and remove Av666@weekendwarrior55(.)com





Step 2: Uninstall Av666@weekendwarrior55(.)com and related software from Windows
Here is a method in few easy steps that should be able to uninstall most programs. No matter if you are using Windows 10, 8, 7, Vista or XP, those steps will get the job done. Dragging the program or its folder to the recycle bin can be a very bad decision. If you do that, bits and pieces of the program are left behind, and that can lead to unstable work of your PC, errors with the file type associations and other unpleasant activities. The proper way to get a program off your computer is to Uninstall it. To do that:



Step 3: Clean any registries, created by Av666@weekendwarrior55(.)com on your computer.
The usually targeted registries of Windows machines are the following:
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
You can access them by opening the Windows registry editor and deleting any values, created by Av666@weekendwarrior55(.)com there. This can happen by following the steps underneath:



Before starting "Step 4", please boot back into Normal mode, in case you are currently in Safe Mode.
This will enable you to install and use SpyHunter 5 successfully.
Step 4: Scan for Av666@weekendwarrior55(.)com with SpyHunter Anti-Malware Tool
Step 5 (Optional): Try to Restore Files Encrypted by Av666@weekendwarrior55(.)com.
Ransomware infections and Av666@weekendwarrior55(.)com aim to encrypt your files using an encryption algorithm which may be very difficult to decrypt. This is why we have suggested a data recovery method that may help you go around direct decryption and try to restore your files. Bear in mind that this method may not be 100% effective but may also help you a little or a lot in different situations.
Simply click on the link and on the website menus on top, choose Data Recovery - Data Recovery Wizard for Windows or Mac (depending on your OS), and then download and run the tool.
Get rid of Av666@weekendwarrior55(.)com from Mac OS X.
Step 1: Uninstall Av666@weekendwarrior55(.)com and remove related files and objects
1. Hit the ⇧+⌘+U keys to open Utilities. Another way is to click on “Go” and then click “Utilities”, like the image below shows:
- Go to Finder.
- In the search bar type the name of the app that you want to remove.
- Above the search bar change the two drop down menus to “System Files” and “Are Included” so that you can see all of the files associated with the application you want to remove. Bear in mind that some of the files may not be related to the app so be very careful which files you delete.
- If all of the files are related, hold the ⌘+A buttons to select them and then drive them to “Trash”.
In case you cannot remove Av666@weekendwarrior55(.)com via Step 1 above:
In case you cannot find the virus files and objects in your Applications or other places we have shown above, you can manually look for them in the Libraries of your Mac. But before doing this, please read the disclaimer below:
You can repeat the same procedure with the following other Library directories:
→ ~/Library/LaunchAgents
/Library/LaunchDaemons
Tip: ~ is there on purpose, because it leads to more LaunchAgents.
Step 3 (Optional): Try to Restore Files Encrypted by Av666@weekendwarrior55(.)com.
Ransomware infections and Av666@weekendwarrior55(.)com aim to encrypt your files using an encryption algorithm which may be very difficult to decrypt. This is why we have suggested a data recovery method that may help you go around direct decryption and try to restore your files. Bear in mind that this method may not be 100% effective but may also help you a little or a lot in different situations.
Simply click on the link and on the website menus on top, choose Data Recovery - Data Recovery Wizard for Windows or Mac (depending on your OS), and then download and run the tool.
Av666@weekendwarrior55(.)com FAQ
What is Av666@weekendwarrior55(.)com ransomware and how does it work?
Av666@weekendwarrior55(.)com is a ransomware infection - the malicious software that enters your computer silently and blocks either access to the computer itself or encrypt your files.
Many ransomware viruses use sophisticated encryption algorithm how to make your files inaccessible. The goal of ransomware infections is to demand that you pay a ransom payment to get access to your files back.
How does Av666@weekendwarrior55(.)com ransomware infect my computer?
Via several ways.Av666@weekendwarrior55(.)com Ransomware infects computers by being sent via phishing e-mails, containing virus attachment.
This attachment is usually masked as an important document, like an invoice, bank document or even a plane ticket and it looks very convincing to users.
After you download and execute this attachment, a drive-by download occurs and your computer is infected with the ransomware virus.
Another way, you may become a victim of Av666@weekendwarrior55(.)com is if you download a fake installer, crack or patch from a low reputation website or if you click on a virus link. Many users report getting a ransomware infection by downloading torrents.
How to open .Av666@weekendwarrior55(.)com files?
You can't. At this point the .Av666@weekendwarrior55(.)com files are encrypted. You can only open them once they are decrypted.
Decryptor did not decrypt my data. What now?
Do not panic and backup the files. If a decryptor did not decrypt your .Av666@weekendwarrior55(.)com files successfully, then do not despair, because this virus is still new.
One way to restore files, encrypted by Av666@weekendwarrior55(.)com ransomware is to use a decryptor for it. But since it's a new virus, advised that the decryption keys for it may not be out yet and available to the public. We will update this article and keep you posted as soon as this decryptor is released.
How Do I restore ".Av666@weekendwarrior55(.)com" files (Other Methods)?
Yes, sometimes files can be restored. We have suggested several file recovery methods that could work if you want to restore .Av666@weekendwarrior55(.)com files.
These methods are in no way 100% guarantee that you will be able to get your files back. But if you have a backup, your chances of success are much greater.
How do I get rid of Av666@weekendwarrior55(.)com ransomware virus?
The safest way and the most efficient one for the removal of this ransomware infection is the use a professional anti malware software. It will scan for and locate Av666@weekendwarrior55(.)com ransomware and then remove it without causing any additional harm to your important .Av666@weekendwarrior55(.)com files.
Also, keep in mind that viruses like Av666@weekendwarrior55(.)com ransomware also install Trojans and keyloggers that can steal your passwords and accounts. Scanning your computer with an anti-malware software will make sure that all of these virus components are removed and your computer is protected in the future.
What to Do If nothing works?
There is still a lot you can do. If none of the above methods seem to work for you, then try these methods:
- Try to find a safe computer from where you can can login on your own line accounts like One Drive, iDrive, Google Drive and so on.
- Try to contact your friends, relatives and other people so that they can check if they have some of your important photos or documents just in case you sent them.
- Also, check if some of the files that were encrypted it can be re-downloaded from the web.
- Another clever way to get back some of your files is to find another old computer, a flash drive or even a CD or a DVD where you may have saved your older documents. You might be surprised what will turn up.
- You can also go to your email account to check if you can send any attachments to other people. Usually what is sent the email is saved on your account and you can re-download it. But most importantly, make sure that this is done from a safe computer and make sure to remove the virus first.
More tips you can find on our forums, where you can also asks any questions about your ransomware problem.
How to Report Ransomware to Authorities?
In case your computer got infected with a ransomware infection, you can report it to the local Police departments. It can help authorities worldwide track and determine the perpetrators behind the virus that has infected your computer. Below, we have prepared a list with government websites, where you can file a report in case you are a victim of a cybercrime:
Cyber-security authorities, responsible for handling ransomware attack reports in different regions all over the world:
- Germany - Offizielles Portal der deutschen Polizei
- United States - IC3 Internet Crime Complaint Centre
- United Kingdom - Action Fraud Police
- France - Ministère de l'Intérieur
- Italy - Polizia Di Stato
- Spain - Policía Nacional
- Netherlands - Politie
- Poland - Policja
- Portugal - Polícia Judiciária
- Greece - Cyber Crime Unit (Hellenic Police)
- India - Mumbai Police - CyberCrime Investigation Cell
- Australia - Australian High Tech Crime Center
Reports may be responded to in different timeframes, depending on your local authorities.