Your Available Windows Security Scan Tools To Use
Updated on October 21, 2022, by Xcitium
What Is a Windows Online Scan?
A Windows online scan is a security scan that checks a Windows computer for viruses, malware, ransomware, spyware, trojans, rootkits, and other cyber threats using trusted antivirus or cloud-assisted security technologies. It analyzes files, memory, startup programs, registry entries, and running processes to identify malicious activity and verify the health of your system.
An online scan is especially useful when you suspect an infection, want a second opinion, or need to verify that your existing antivirus software has not missed a threat.
Malware is a main problem when you speak about cybersecurity. You need to regularly do a Windows security scan to make sure your system is protected. You also need to scan computers in the network to make sure that there will be no strains of viruses and malware will be left in the whole network.
Since most of the malware and other threats are becoming sophisticated, the symptoms of malware may appear to be obvious or discrete. It is your own responsibility to detect these dangerous threats by knowing the signs and through the help of Windows security scan tools. This will help you determine to go about fixing the issue and avoid a more serious problem in the future.
How to Run a Windows Online Scan
Follow these steps to scan your Windows computer:
- Open a trusted online antivirus or endpoint protection solution.
- Update the latest threat intelligence if prompted.
- Select Full System Scan.
- Allow the scan to complete without interruption.
- Review the scan results.
- Quarantine or remove detected threats.
- Restart your computer if required.
- Perform a second verification scan.
- Install Windows security updates.
- Enable continuous real-time protection.
Running regular scans helps detect threats before they can compromise your system.
Typical Signs of Virus Infection
If the user hasn’t performed the Windows security scan or scan computers in the network, you will notice that the computer a slower internet and processing. Although doesn’t always happen and blame to the virus, if this occurs in a sudden previously, you are not experiencing this, then it is possible that the computer virus.
If the user hasn’t performed the Windows security scan or scan computers in the network, you will notice that the computer might behave very weird. Computer viruses are capable of doing strange things to a computer system. If the computer is not properly responding according to the commands of the user, then it is possible that the computer is infected with a virus.
If the user hasn’t performed the Windows security scan or in the network, you will notice that the computer might show sudden freeze and crash frequently. Since computer viruses can damage your hard drive, they can cause your computer to behave a great failure. If your computer was able to survive the crash, it would be better to run an updated antivirus.
If the user hasn’t performed the Windows security scan or scan computers in the network, you will notice that the computer might show error messages. If the computer is infected with a computer virus, it may show some annoying pop-up messages that warn about some missing file systems or application files.
If the user hasn’t performed the Windows security scan or scan computers in the network, you will notice that the computer might display advertisements. It is very common to see such advertisements when you are browsing the internet, but if you see these ads when you are not actively browsing, then this could be a sign of a virus infection.
If the user hasn’t performed the Windows security scan or scan computers in the network, you will notice that the computer might send malicious emails. One of the main sources viruses is through email because viruses can spread itself through email.
If the user hasn’t performed the Windows security scan or scan computers in the network, you will notice that the computer might delete or add files on your hard drive. You must keep track of the size of the hard drive because a virus may install multiple copies of itself or delete files unexpectedly.
What Does a Windows Online Scan Check?
A comprehensive Windows online scan examines:
- Windows operating system files
- Installed applications
- Running processes
- System memory
- Startup programs
- Windows Registry
- Browser extensions
- Download folders
- Temporary files
- Email attachments
- USB devices
- External storage
Scanning these areas helps identify active infections as well as hidden malware..
Windows Online Scan vs Installed Antivirus
Security Comparison
| Windows Online Scan | Installed Antivirus |
|---|---|
| On-demand malware detection | Continuous real-time protection |
| Useful for second-opinion scans | Ongoing prevention and monitoring |
| Cloud-assisted threat analysis | Local and cloud-based protection |
| Verifies current system health | Blocks threats before execution |
| Complements existing security software | Primary day-to-day defense |
An online scan is an excellent supplement to, but not a replacement for, continuous endpoint protection.
List Of Available Windows Security Scan Tools To Scan Computers
Xcitium Free Online Scanner
Xcitium Free Online Scanner is one of the best Windows security scan tools you can use when you scan computers. It is very effective and it detects the viruses one by one. This tool can immediately get into action and scan the system in progress. By the time it will finish scanning, most of the malware and viruses are all gone.
ThreatExpert
ThreatExpert is also one of the Windows security scan tools you can use when you scan computers. This online scanner allows you to upload a large number of files and will provide you an email for the results. You can easily track all the tasks you’ve made through this tool.
ESET Online Scanner
The ESET online scanner is one of the Windows security scan tools you can use when you scan computers because it supports scanning of removable media like USB, the memory, local drives of the PC, and network devices connected. Although, the only browser that is supported by this software is Internet Explorer
VirusTotal
VirusTotal is another software that is included in the Windows security scan tools you can use when you scan computers because it gives you the option to upload a specific file and have it scanned by different antivirus engines. You can also scan an entire page and look for any strains of malware on that page.
Metadefender
Metadefender is one of the Windows security scan tools you can use when you scan computers because you can upload up to 140MB of files and use 3 different antivirus engines to scan the files at same time. It supports even the compressed files and the common files like the images and documents. It can also scan using an IP address and website URL. A result will be given after the scan, and you can easily read and interpret the data.
NoDistribute
NoDistribute is included in the Windows security scan tools you can use when you scan computers because you can utilize over 35 different antivirus engines simultaneously with this. Although, you can upload one file at a time only and 10 files within 24 hours.
Signs You Should Run a Windows Online Scan
Run a Windows online scan if you notice:
- Slow system performance
- Frequent crashes or freezes
- Unexpected pop-up advertisements
- Browser redirects
- Unknown applications
- High CPU or memory usage
- Disabled antivirus software
- Missing or encrypted files
- Suspicious network activity
- Unauthorized account access
Early scanning can reduce the impact of malware infections.
Best Practices for Windows Security
Windows Security Checklist
✔ Keep Windows updated.
✔ Enable real-time antivirus protection.
✔ Run scheduled full system scans.
✔ Use trusted software sources.
✔ Turn on your firewall.
✔ Back up important files regularly.
✔ Enable Multi-Factor Authentication (MFA) where available.
✔ Avoid suspicious links and email attachments.
✔ Review installed applications regularly.
✔ Monitor for unusual system activity.
These practices help reduce the risk of future infections.
Frequently Asked Questions About Windows Online Scans
What is a Windows online scan?
A Windows online scan checks your computer for viruses, malware, ransomware, spyware, and other threats using trusted antivirus or cloud-assisted security technologies.
Can a Windows online scan remove malware?
Many online security solutions can detect, quarantine, and remove malware. After removal, perform another full scan to confirm the system is clean.
Is a Windows online scan safe?
Yes, provided you use a reputable security provider. Avoid unknown or untrusted scanning websites.
How often should I run a Windows online scan?
Run a full system scan regularly and whenever you suspect unusual behavior or after downloading software from unfamiliar sources.
What is the difference between an online scan and real-time protection?
An online scan checks your system on demand, while real-time protection continuously monitors files and processes to block threats before they execute.
Can an online scan detect ransomware?
Yes. Many modern security solutions use signatures, behavioral analysis, AI, and cloud threat intelligence to detect ransomware and other advanced threats.
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