RansomwareRemoval Guide

Remove Cm99v Virus (.Cm99v Files Ransomware)

Cm99v Virus Ransomware

The Cm99v mean a ransomware-type infection. Cm99v was elaborated particularly to encrypt all major file types. Once the file is encrypted people are unable to use them. Cm99v adds the “.Cm99v” extension for each file encrypted by it. For example, the file “myphoto.jpg“, once encrypted by Cm99v, will be renamed into “myphoto.jpg.Cm99v“. As soon as the encryption is finished, Cm99v places a special text file into every folder containing the encrypted data.

The message given by Cm99v text file requesting the ransom is definitely the same as the statements given by other ransomware virus representatives. It literally mentions that the info is encrypted which the only way to restore it is to use a an unique decryption key. Unfortunately, this is absolutely true. The type of cryptography mechanism used by Cm99v is still not appropriately examined. Still, it is definitely certain that each victim might be given the specific decryption key, which is absolutely distinct. It is difficult to restore the files without the key available.

Another trick of Cm99v is that the victims cannot access to the key. The key is saved on a particular server run by the frauds related to Cm99v ransomware. To get the key and recover the important info people need to pay the ransom.

Nonetheless, regardless of the requested quantity, people need to keep away from paying the virus. Cyber frauds are not fair, so they tend to completely disregard what their victims feel about the problem, even when the payment reaches their pockets. This is why paying the ransom typically does not provide any positive outcome and people simply waste their money for absolutely nothing.

We highly advise that you do not contact these crooks and absolutely do not transfer money into their accounts. It is said to admit that there are no utilities able to crack Cm99v ransomware and to recover the data data for free. Thus, the just right decision is to recover the lost information from the available backup.

Virus Summary

NameCm99v Ransomware
File Extension.Cm99v
TypeRansomware
Short DescriptionThe ransomware encrypts all the data stored on your system and requires a ransom to be paid on your part supposedly to recover your important files.
SymptomsFile encryption by the ransomware is performed by means of the AES and RSA encryption algorithms. Once the encryption is completed, the ransomware adds its special Cm99v extension to all the files modified by it.
Distribution MethodSpam Emails, Email Attachments
Removal Tool   GridinSoft Anti-Malware

Keep in mind that the world wide web is now overwhelmed with threats that look similar to Cm99v ransomware. Destructive programs of such kind are usually elaborated to encrypt crucial information and to set forth the need prior to the user to pay the ransom. The peculiarity of all such ransomware threats is that all apply a comparable algorithm to generate the special decryption key for files decryption.

Thus, as long as the ransomware is still being developed or has some hidden bugs, by hand recovering the information is merely not feasible. The only method to prevent the loss of your crucial data is to regularly create backups of your important information.

Bear in mind that even if you create such backups, they need to be placed into a special storage utility not connect to your main computer. You may use the USB Flash Drive or external disk drive for this purpose, or refer to the help of the cloud storage. If you save your backup files on your common system they may be encrypted together with other files, so it’s certainly not a good storage place.

How did ransomware infect my PC?

There are numerous ways used by online frauds to distribute Cm99v virus. Even though it is uncertain how precisely Cm99v injects your system, there are some leaks through which it may infiltrate the system:

  • integration with third-party software, especially freeware;
  • spam e-mails from unidentified senders;
  • sites rendering free hosting services;
  • pirated peer-to-peer (P2P) downloads.

Typically Cm99v virus may exist as some genuine software application, for instance, in the pop-ups advising users to implement some essential software updates. This is the typical technique used by online frauds to persuade people into downloading and installing Cm99v infection manually, by ways of their direct participation in the installation process.

Additionally, the criminals might refer to numerous e-mail spam tactics to inject destructive codes into copmuter. So, they may describe to sending unsolicited spam e-mails with tricky notices promoting users to download the attachments or click on certain download links, for example, the ones motivating users to open some video, documents, tax reports or invoices.

Needless to mention, opening such documents or clicking on such dangerous links may significantly harm the PC. Fictitious Adobe Flash Player update informs may result in Cm99v ransom injection. When it comes to the cracked applications, these illegally downloaded programs may likewise include malicious codes causing Cm99v secret installation. Finally, injection of Cm99v may occur by ways of Trojans that covertly get injected into the system and install malicious tools without the user’s authorization.

Is there any method to prevent the injection of Cm99v ransom virus?

Despite the fact that there is no 100% guarantee to prevent your computer from getting infected, there are some pieces of advice we wish to share with with you. First of all, be very mindful when you surf the web and especially while downloading totally free programs. Stay away from opening suspicious email attachments, especially when the sender of the email is not familiar to you.

Bear in mind that some freeware installers may consist of other unwanted utilities in the package, so they may be malicious. Ensure that your current anti-virus and your entire operating system is always appropriately updated.

Naturally, downloading pirated software is prohibited and may result in essential damage to be produced your PC. Hence, stay away from downloading cracked software. You are likewise strongly recommended to reconsider your existing security software and perhaps change to another security solution that can render better services of defending your Windows.

Below please find the quotation from the Cm99v text file:

[+] What happened? [+]
Your files are encrypted, and currently unavailable. You can check it: all files on you computer has extension *.cm99v
By the way, everything is possible to recover (restore), but you need to follow our instructions. Otherwise, you cant get back your data (NEVER).
[+] What guarantees? [+]
Its just a business. We absolutely do not care about you and your deals, except getting benefits. If we do not do our work and liabilities - nobody will cooperate with us. Its not in our interests.
To check the ability of returning files, You should go to our website. There you can decrypt one file for free. That is our guarantee.
If you will not cooperate with our service - for us, its does not matter. But you will lose your time and data, cause just we have the private key. In practiсe - time is much more valuable than money.
[+] How to get access on website? [+]
Using a TOR browser!
  - Download and install TOR browser from this site: hxxps://torproject.org/
  - Open our website: hxxp://o76s3m7l5ogig4u5.onion
  - Follow the on-screen instructions
Extension name:
*.cm99v

------------------------
!!! DANGER !!!
DONT try to change files by yourself, DONT use any third party software for restoring your data or antivirus solutions - its may entail damge of the private key and, as result, The Loss all data.
!!! !!! !!!
ONE MORE TIME: Its in your interests to get your files back. From our side, we (the best specialists) will make everything possible for restoring, but please do not interfere.
============================================

Hades
ransomware.
Contact Us
We have hacked your network, downloaded and encrypted your data.
You can recover your data and prevent data leakage to the public.
For further details contact us via TOX messenger:
C7DCEA52EF870B8D2895EA6ECFD772D450D146D3DD337A5799132819A5BABB4367EBFDDD32DF
Copyright © Hades

Screenshot of files with “.Cm99v” extension added by the ransomware:
Cm99v Ransomware - encrypt files with .Cm99v extension

Use GridinSoft Anti-Malware to remove Cm99v ransomware from your computer

1.Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

  GridinSoft Anti-Malware

2. Double-click on the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-ag.exe file to install GridinSoft Anti-Malware on your computer.
GridinSoft Anti-Malware
An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.
GridinSoft Anti-Malware Setup

3. Press Install button for run GridinSoft Anti-Malware.

GridinSoft Anti-Malware Install

3.Once installed, GridinSoft Anti-Malware will automatically run.

GridinSoft Anti-Malware  Start

4. Wait for the GridinSoft Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your computer for Win Speedup 2018 and other malicious programs. This process can take a 20-30 minutes, so we suggest you periodically check on the status of the scan process.
GridinSoft Anti-Malware Scan

5. Click on “Clean Now”.

When the scan has completed, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.
GridinSoft Anti-Malware Scan Result

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Daniel Zimmermann

Daniel Zimmermann has been writing on security and malware subjects for many years and has been working in the security industry for over 10 years. Daniel was educated at the Saarland University in Saarbrücken, Germany and currently lives in New York.

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