DotZeroCMD Virus Removal – Restore Affected Files
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DotZeroCMD Virus Removal – Restore Affected Files

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The DotZeroCMD virus is a newly discovered RaaS which can be launched by different hackers and criminal groups. Right now there is a worldwide ongoing attack. Read our article for more information about it.

Threat Summary

NameDotZeroCMD
TypeRansomware, Cryptovirus
Short DescriptionThe ransomware encrypts sensitive information on your computer system and demands a ransom to be paid to allegedly recover them.
SymptomsThe ransomware will encrypt your files with a strong encryption algorithm.
Distribution MethodSpam Emails, Email Attachments
Detection Tool See If Your System Has Been Affected by DotZeroCMD

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User ExperienceJoin Our Forum to Discuss DotZeroCMD.
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.

DotZeroCMD Virus – Distribution Ways

The DotZeroCMD virus is being distributed by an unknown hacker individual or a criminal collective against computer users worldwide. According to the released reports it is set primarily against English-speaking users even though it is distributed all across the globe. Unlike most other threats it appears to be made specifically for 64-bit versions of Microsoft Windows.

It uses the same delivery tactics as other malware. One of the main virus infection methods is to send out spam email messages that contain social engineering tricks. The criminals behind the DotZeroCMD virus coerce the targets into interacting with the malware element. They may opt to send out the files directly as file attachments or hyperlinks that are placed in the body contents. The usual way is to hijack well known Internet services and their contents. The messages are modeled after the sites themselves which is a common blackmail tactic.

In connection with the email messages the hackers behind the DotZeroCMD virus may use payload delivery attacks. Two popular approaches are the following:

  • Documents — The DotZeroCMD code can be embedded in files of different types: rich text documents ,spreadseheets or presentations. When they are opened by the victims a notification prompt will be spawned that asks them to enable the built-in scripts (macros). This triggers the virus infection.
  • Bundle Installers — The DotZeroCMD virus can be integrated in software installers that are usually hijacked copies of famous applications. The hackers usually target well-known applications such as creative suites, system utilities and computer games. They are spread both using emails and hacker-controlled sites.

In addition the malware files associated with the DotZeroCMD can be distributed using malware sites. They may use the design template of famous sites in order to manipulate the users into thinking that they are downloadinf files from a safe location.

The other method would be to use browser hijackers. They represent malware plugins that are made compatible with the most popular apps: Mozilla Firefox, Google Chrome, Safari, Internet Explorer, Opera and Microsoft Edge. Once they are installed onto the victim systems the dangerous component triggers changes in the relevant applications by redirecting the users to a hacker-controlled page. The modified values are the default home page, new tabs page and search engine. The next step is to deploy the malware code onto the victims.

DotZeroCMD Virus – In-Depth Analysis

The security reports show that the DotZeroCMD virus does not belong to any one of the famous malware families. At the same time there is no information on the individual or criminal collective behind it. The main malware engine can be updated with different instructions depending on the current attack campaign.

It is a complex RaaS (ransomware as a service) which means that its code can be made available to a lot of hackers. Depending on the exact criminal campaign it can start different modules. One of the first ones launched after the virus infection has been initiated is the information gathering one. It can harvest sensitive data that is categorized into two main types:

  • Anonymous Metrics — They represent data that is used primarily to judge how effective the campaign is. It is composed of data about the hardware components and certain operating system values.
  • Private Data — The harvested information is composed of strings that can directly identify the victims. This includes their name, phone number, interests, location, preferences, passwords and account credentials.

If the malware engine includes a stealth protection module it can be used to identify applications and services that can interfere with DotZeroCMD’s execution. This includes anti-virus software, debug environments or virtual machine hosts. When such are found their real-time engines can be bypassed or the relevant software can be entirely removed. In certain cases if the virus is not able to do this then it can remove itself to avoid detection.

Other malware activity can include system changes. For instance the DotZeroCMD virus can modify entries in the Windows Registry. If the virus modifies any existing Windows-related values then this can cause substantial performance issues. Modifications to applications or services can render them non-working.

The malware engine can also be used to modify the boot options, such steps usually remove the possibility to log into the startup recovery menu. To make recovery more difficult the criminals behind the DotZeroCMD virus can opt to delete the identified Shadow Volume Copies of the identified sensitive data. This makes it very hard to recover the affected files unless a professional-grade solution is used. Refer to our instructions for more information.

A network connection can be initiated with the criminal servers. In this case the virus acts similar to a Trojan instance — the operators can spy on the victims in real time and overtake control of them. This module can also be used to deploy additional threats.

DotZeroCMD Virus – Encryption Process

Once all components have executed correctly the ransomware engine is started. It uses a strong encryption cipher in order to affect as many user data as possible. An example list of target file types may include the following:

  • Archives
  • Backups
  • Music
  • Videos
  • Images
  • Databases

Note: Some of the malware strains have been found to merely imitate encryption. They may rename the files however encryption is not applied.

It then spawns a lockscreen instance that is designed in a similar way to Petya which reads the following:

Dot Zero CMD.Ransom – v1.2
Powered by Rekt-Cheats.ML DigitalGroup LLC
This is a ransonware virus!
You need to pay to get your files back!
Q: What happened?
A: All your files have been ecnrypted!
Q: How nuch i need to pay?
A: 13? via with a cryptocurrency!
@: [email protected]
xxxxs://cmdh5gz4ku7kop4l.onion
Files will be encrypted in [ 12 ] seconds.
Copyright (c) 2003-2015 All rights reserved.

Status: Completed
Encrypted 100/100 files.
All files have been encrypted!
You need to buy a key to get your files back!
15? via cryptocurrency! (BTC, LTC, TH, RPL ..etc)
@: [email protected]
Press any key to continue to the decryption screen…

DotZero CMD.Ransom – v1.2 – RaaS RansomWare!
Public-Key: 3xd8ZmAQ2V9zW PersonalID: d7:16:ae
You need to buy a key to get your files back?
15? via cryptocurrency! (BTC, LTC, TH, RPL ..etc)
@: [email protected]
Enter private-key: 0xjh8tXH
Valid key!
Starting de-crypting…
Decrypting was successfully!
Your files have been recovered successfully! BB
Press any key to exit…

Remove DotZeroCMD Virus and Restore .encrypted Files

If your computer system got infected with the DotZeroCMD ransomware virus, you should have a bit of experience in removing malware. You should get rid of this ransomware as quickly as possible before it can have the chance to spread further and infect other computers. You should remove the ransomware and follow the step-by-step instructions guide provided below.

Note! Your computer system may be affected by DotZeroCMD and other threats.
Scan Your PC with SpyHunter
SpyHunter is a powerful malware removal tool designed to help users with in-depth system security analysis, detection and removal of threats such as DotZeroCMD.
Keep in mind, that SpyHunter’s scanner is only for malware detection. If SpyHunter detects malware on your PC, you will need to purchase SpyHunter’s malware removal tool to remove the malware threats. Read our SpyHunter 5 review. Click on the corresponding links to check SpyHunter’s EULA, Privacy Policy and Threat Assessment Criteria.

To remove DotZeroCMD follow these steps:

1. Boot Your PC In Safe Mode to isolate and remove DotZeroCMD files and objects
2. Find files created by DotZeroCMD on your PC

IMPORTANT!
Before starting the Automatic Removal below, 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.

Use SpyHunter to scan for malware and unwanted programs

3. Scan for malware and unwanted programs with SpyHunter Anti-Malware Tool
4. Try to Restore files encrypted by DotZeroCMD

Martin Beltov

Martin graduated with a degree in Publishing from Sofia University. As a cyber security enthusiast he enjoys writing about the latest threats and mechanisms of intrusion.

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