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Remove CStealer virus (Free Instructions) - Virus Removal Guide

removal by Julie Splinters - - | Type: Malware

CStealer virus – a trojan that aims to steal passwords that have been kept in the victim's Google Chrome browser

CStealer malware

CStealer virus is a trojan that steals passwords from Google Chrome and delivers them to the MongoDB database. Thoroughly investigated by a malware researcher known as James,[1] the Trojan virus uses the MongoDB C driver to deliver the collected passwords to the MongoDB database where account credentials are included. This provides the opportunity for other remote hackers to investigate the malware and the credentials that might lead to the exposure of data that is stored in the MongoDB database. We can only think of what the criminals might do next. CStealer might be used for exposing personal information, stealing big amounts of money directly from victims' banking accounts, or infiltrating other parasites.

Name CStealer
Type Trojan virus/malware
Purpose This dangerous infection aims to record passwords stored in the Google Chrome web browser and transfer them to the MongoDB database
Risks The malware might steal your personal data, swindle your money by emptying your bank account, deliver malware to your friends by logging into your accounts, install other virtual parasites
Signs It might be hard to recognize a trojan at first, however, there are some symptoms that might give you a clue – increased CPU usage, struggling computer, freezing programs and windows, bogus processes and entries in your machine, etc.
Spreading Malware often gets delivered through peer-to-peer sources, cracked software, phishing email messages and their malicious attachments
Elimination You should employ reliable antimalware software to safely remove the virus
Repair tip If the Trojan virus has compromised some system files, try repairing them by employing Reimage Reimage Cleaner

CStealer trojan has been discovered by 43 AV engines out of the total 69, according to the latest information by VirusTotal.[2] Popular AV engines such as BitDefender, Malwarebytes, AVG, Kaspersky, and others detect this malware string during the computer checkup process.

However, finding CStealer with the help of antivirus software is much easier than recognizing the infection by yourself. Usually, trojans do not show any signs at first that would be identified as malicious symptoms. However, if you spot some of the following signs, be quick to perform a malware scan as a virtual parasite might be compromising your PC:

  • An immediate increase of the CPU power;
  • Unnoticeable processes running in the Task Manager;
  • Very similar two processes running in the Task Manager;
  • Bogus Registry entries that you do not recall installing;
  • Slow computer work, freezing windows, and software.

CStealer virus
CStealer virus is a trojan that records passwords stored in Chrome and delivers them to a MongoBC database

If you see at least one or two of these signs, do not hesitate and run a malware scan with a reliable tool as you might need to perform the CStealer virus removal even if you do not think so. These programs tend to act very discreetly while hiding their true purposes and operating in the background of the user's activities.

As we have already mentioned, CStealer steals passwords that have been stored in Google Chrome and this can be very dangerous. The criminals might be able to access some of your online accounts and misuse the information that is located there. For example, these people might log into your Facebook account and start delivering malware to your friends.

Continuously, if CStealer finds any banking or credit card information, it might not take long for the hackers to empty your bank account. This way you might experience huge monetary losses (with no return) or see that you have purchased various products and services that you do not remember ordering.

You should not play with dangerous malware or postpone the removal process as it might completely ruin your computer system, software, finances, your friends' computers, etc. Use strong software to remove CStealer virus from your machine. For fixing damaged system objects, you can try using a program such as Reimage Reimage Cleaner .

CStealer trojan
CStealer virus is a trojan that can relate in the increased CPU power, freezing programs, bogus Task Manager processes, etc.

The most popular malware distribution techniques and how to avoid virtual parasites 

Security experts from Virusai.lt[3] state that trojans and other malware are commonly distributed via p2p websites such as The Pirate Bay, eMule, and BitTorrent. The parasite comes in a software crack and aims to place itself on computer systems that have a weak security level.

This is one of the main reasons why installing strong antivirus protection on your machine is necessary. These tools will regularly scan your computer system, search for cyber threats, and alert if anything bad has been discovered. 

Continuously, Trojan viruses can be spread via phishing email messages that claim to arrive from reputable companies and organizations. The crooks often pretend to be from FedEx/DHL and attach an executable, word document, or PDF file to the email message where the malicious payload lies.

A tip would be to always investigate your received email carefully. Check the sender and the content of the message. If you get any concerns, delete the letter right away. Also, never open a questionable attachment that you were not expecting to receive without scanning it with antimalware software.

It is better to remove CStealer virus only automatically

We do not recommend performing CStealer virus removal on your own as you risk making mistakes or skipping some infected components. Employ software such as SpyHunter 5Combo Cleaner and Malwarebytes to find out all malicious strings in your Windows system. Afterward, you can try repairing the system with Reimage Reimage Cleaner .

It might not be that easy to permanently remove CStealer virus when it is running malicious processes on your computer system that have been provoking the program to run repeatedly or evade antivirus detection. To dimish all malicious activities, you should boot your machine in Safe Mode with Networking or enable System Restore. If you do not know how to do that, you can check the following guidelines that are provided by our security specialists.

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What to do if failed?
If you failed to remove virus damage using Reimage Reimage Cleaner, submit a question to our support team and provide as much details as possible.
Reimage Reimage Cleaner has a free limited scanner. Reimage Reimage Cleaner offers more through scan when you purchase its full version. When free scanner detects issues, you can fix them using free manual repairs or you can decide to purchase the full version in order to fix them automatically.
Alternative Software
Different software has a different purpose. If you didn’t succeed in fixing corrupted files with Reimage, try running SpyHunter 5.
Alternative Software
Different software has a different purpose. If you didn’t succeed in fixing corrupted files with Reimage Cleaner, try running Combo Cleaner.

To remove CStealer virus, follow these steps:

Remove CStealer using Safe Mode with Networking

To dimish all malicious processes on Windows, apply the following steps and boot your machine in Safe Mode with Networking

  • Step 1: Reboot your computer to Safe Mode with Networking

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Safe Mode with Networking from the list Select 'Safe Mode with Networking'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Networking in Startup Settings window. Select 'Enable Safe Mode with Networking'
  • Step 2: Remove CStealer

    Log in to your infected account and start the browser. Download Reimage Reimage Cleaner or other legitimate anti-spyware program. Update it before a full system scan and remove malicious files that belong to your ransomware and complete CStealer removal.

If your ransomware is blocking Safe Mode with Networking, try further method.

Remove CStealer using System Restore

To restore your system settings back to normal, you should launch System Restore. You can do that by completing the following lines

  • Step 1: Reboot your computer to Safe Mode with Command Prompt

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Command Prompt from the list Select 'Safe Mode with Command Prompt'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Command Prompt in Startup Settings window. Select 'Enable Safe Mode with Command Prompt'
  • Step 2: Restore your system files and settings
    1. Once the Command Prompt window shows up, enter cd restore and click Enter. Enter 'cd restore' without quotes and press 'Enter'
    2. Now type rstrui.exe and press Enter again.. Enter 'rstrui.exe' without quotes and press 'Enter'
    3. When a new window shows up, click Next and select your restore point that is prior the infiltration of CStealer. After doing that, click Next. When 'System Restore' window shows up, select 'Next' Select your restore point and click 'Next'
    4. Now click Yes to start system restore. Click 'Yes' and start system restore
    Once you restore your system to a previous date, download and scan your computer with Reimage Reimage Cleaner and make sure that CStealer removal is performed successfully.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from CStealer and other ransomwares, use a reputable anti-spyware, such as Reimage Reimage Cleaner , SpyHunter 5Combo Cleaner or Malwarebytes

About the author

Julie Splinters
Julie Splinters - Malware removal specialist

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