How to remove ransomware
Updated on October 21, 2022, by Xcitium
How to Remove Ransomware
To remove ransomware, disconnect infected devices from the network, run advanced anti-malware or endpoint security scans, isolate affected systems, remove malicious files, restore clean backups, and update security software. Organizations should also investigate whether attackers stole sensitive data before encryption occurred.
Out of all the different types of malware currently in existence, the one which is most widely hated is probably ransomware. Even though it’s a relatively new threat, it’s already a significant one and it’s growing all the time.
What Is Ransomware?
Ransomware is a type of malware that encrypts files or locks systems to prevent access until a ransom payment is made. Modern ransomware attacks often include data theft, extortion, and network-wide disruption targeting businesses, governments, and individuals.
Most ransomware spreads through:
- phishing emails
- malicious attachments
- software vulnerabilities
- remote desktop attacks
- compromised credentials
Ransomware Removal Tools vs Traditional Antivirus
| Feature | Ransomware Removal Tools | Traditional Antivirus |
|---|---|---|
| Detects Encryption Behavior | Yes | Limited |
| Behavioral Analysis | Advanced | Moderate |
| Endpoint Isolation | Often | Rare |
| Real-Time Response | Strong | Moderate |
| Zero-Day Detection | Better | Limited |
| Recovery Assistance | Often | Minimal |
Modern ransomware often bypasses signature-based antivirus protection using stealth techniques.
How To Remove Ransomware and Guide to Protect Your Data
Discover effective strategies and tools to remove ransomware from your device. Follow our step-by-step guide to protect your data and prevent future attacks. Ransomware comes in three main forms. These are scareware, lockware (screen lockers), and encryption ransomware. Scareware and lockware are mainly consumer-facing threats and tend to be fairly easy to remove. Encryption ransomware is more of a challenge. The problem with it is that you can remove the source of the problem but still be stuck with encrypted files. That said, here is what you should try.
Disconnect your computer from the internet. If your luck is in, this could make your life a lot easier. Breaking off the contact between the installed program and the person behind it could force the program to sit idle while it waits (indefinitely for instructions).
Utilize another device to download a trustworthy security program, and install and run it. First, ensure you utilize a security program from a reliable supplier like Xcitium. A part of “security programs” on the web is malware. Secondly, make sure that you use a clean device to make the transfer. It doesn’t get to be brand new in wrapping, but you do have to be sure that you’re not going to be introducing any new problems. Thirdly, when your program identifies problem files, make sure you erase them permanently.
If you can’t get access to your computer to install the program, try booting into safe mode with command prompt (press F8 during the initial boot sequence), type rstrui.exe, and hit enter. Restore to a date before you were infected and then follow the steps above.
Retrieving your files
As previously mentioned, the above steps will, hopefully, remove the ransomware itself (if not you may well just have to wipe your hard drive and start again). They will not decrypt your files. If you have backed them up properly, then your easiest option is usually just to recover from your backup. If you haven’t then you might be able to solve the problem by looking on the internet for a decryption tool to deal with the effects of that specific type of ransomware. The key word here is specific. Sadly you cannot just buy an all-round decryption tool for all ransomware.
If neither of these is possible, then realistically you just have to grit your teeth and accept your loss. Paying the ransom will not guarantee that you will get your files back. It will just mark you out as someone who will cave under pressure. Take the loss as a lesson in the importance of having both robust security practices and effective data backup processes.
Prevention is much better than cure
When it comes to malware in general and ransomware in particular, prevention is much better than cure. This means you want a robust anti-malware product with an email scanner and a firewall (or three separate products just as long as all functions are covered effectively).
You also need to ensure that all your operating systems and apps are updated promptly. It is impossible to overstate how important this is. Popular entertainment may love to portray cyber criminals as evil geniuses but the truth is a lot more mundane. The simple fact is that a very large percentage of cybercriminals simply take advantage of the fact that many businesses still fail to run their security effectively and that updates are a weak point for many companies.
In short, you either need to run your security effectively using your in-house resources or you need to get a managed IT security company to run it for you. Both of these options are less painful and less expensive than falling victim to malware, especially ransomware.
It’s very much advisable to supplement these with robust approaches approximately how your IT systems are to be utilized. For example, you will need to think about whether or not to allow personal use of the internet/email and, on the off chance that so, to what extent.
Signs Your Device Has Ransomware
Common ransomware infection signs include:
- encrypted or inaccessible files
- unusual file extensions
- ransom notes appearing on the screen
- disabled antivirus software
- slow system performance
- suspicious network activity
- locked desktop access
- missing backups
Some ransomware variants spread silently before triggering encryption across networks.
Step-by-Step Guide to Remove Ransomware
1. Disconnect the Infected Device
Immediately disconnect infected systems from:
- the internet
- shared drives
- cloud storage
- internal networks
This helps prevent ransomware from spreading.
2. Identify the Ransomware Variant
Determine the ransomware family if possible.
This helps identify:
- available decryptors
- attack methods
- recovery options
Common variants include:
- LockBit
- Ryuk
- BlackCat
- WannaCry
- Conti
3. Run Malware and Endpoint Security Scans
Use advanced:
- anti-malware software
- endpoint detection and response (EDR)
- behavioral threat detection tools
to identify and remove malicious files.
4. Remove Malicious Processes and Persistence Mechanisms
Delete:
- malicious executables
- scheduled tasks
- startup entries
- unauthorized user accounts
Attackers often leave backdoors after ransomware deployment.
5. Restore Files From Clean Backups
Recover encrypted files using:
- offline backups
- immutable backups
- cloud recovery solutions
Never restore backups before confirming the malware is fully remove
6. Change Credentials
Reset:
- administrator passwords
- VPN credentials
- cloud access credentials
- employee passwords
Compromised credentials are common in ransomware attacks.
7. Monitor for Reinfection
Continue monitoring systems using:
- EDR/XDR tools
- network analysis
- behavioral monitoring
- SIEM platforms
to detect lingering threats.
How To Remove Ransomware Conclusion
If you have mobile workers, you’ll need to think about how they will access your network when they are on the move. A VPN is the obvious suggestion but another possibility would be to mandate that they only connect via their mobile data or a paid WiFi connection, not free WiFi. This could be a good option for users who only travel occasionally, especially if they’re not particularly tech-capable.
Last but not least, remember to protect your hardware as well as your network. For example, block off your USB ports so staff cannot use unauthorized devices, even in innocent.
Please click here now to start your free 30-day trial of Xcitium AEP.
Why Businesses Need Advanced Ransomware Incident Response
Ransomware attacks can:
- shut down operations
- expose customer data
- damage reputation
- trigger compliance violations
- create financial losses
Modern organizations should combine:
- endpoint detection and response (EDR)
- zero trust security
- backup management
- threat hunting
- behavioral analytics
- incident response planning
to reduce ransomware risks.
Why Backups Are Critical for Ransomware Recovery
Secure backups allow organizations to recover encrypted data without paying attackers.
Best practices include:
- offline backups
- immutable storage
- backup encryption
- regular recovery testing
- segmented backup environments
Many ransomware groups now target backup infrastructure first.
Should You Pay a Ransomware Demand?
Cybersecurity experts and law enforcement agencies generally discourage paying ransomware demands because:
- attackers may not restore files
- payments encourage future attacks
- attackers may leave hidden malware
- stolen data may still be leaked
Organizations should focus on:
- backups
- incident response
- forensic analysis
- endpoint monitoring
instead of relying on ransom payments.
Modern Ransomware Threat Trends
Modern ransomware campaigns increasingly use:
- phishing emails
- AI-generated social engineering
- stolen credentials
- supply chain compromises
- fileless malware
- double extortion tactics
Attackers now frequently steal sensitive data before encryption to increase pressure on victims.
Frequently Asked Questions
Can ransomware be removed?
Yes. Ransomware can often be removed using advanced malware removal and endpoint security tools, although encrypted files may still require backups or decryptors.
Should you pay ransomware attackers?
Cybersecurity experts generally advise against paying ransom demands because attackers may not restore files or may attack again.
Can antivirus software remove ransomware?
Some antivirus tools can detect ransomware, but advanced EDR and behavioral detection solutions are often more effective.
What are signs of ransomware infection?
Common signs include encrypted files, ransom notes, unusual file extensions, and disabled security software.
How can businesses prevent ransomware attacks?
Businesses should use endpoint protection, MFA, backups, employee training, zero trust security, and continuous monitoring.
Related Resources
Loading...