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are some additional tips for special scenarios
Online file scanners
If your antivirus doesn’t detect a file as a virus, but you suspect it might be, or if you want a second opinion that a file is a virus, I suggest you scan that particular file with online scanners using multiple antivirus engines such as Jotti or VirusTotal.
Although most of us have antivirus software installed on our Windows computer, there may be times of doubt when you want a second opinion. While you can always visit an online antivirus scanner from a well-known security software to scan your PC – or have a specific file scanned with an online malware scanner with multiple antivirus engines, some prefer a standalone on-demand antivirus scanner installed locally. In such cases, you can use these antivirus on demand.
Verifying the identity of suspicious files
Malware can be arbitrarily named, and in fact, virus writers love to name them after certain legitimate Microsoft processes or popular software. Check which folder it is in. If the known survey process is in the System32 folder – where it should be – it could be the legitimate MS folder. However, if it is in another folder, it may be malware that is trying to pass itself off as a Windows process. Find the file, right click on it and check its properties and details.
Fix Internet problems
Some malware variants run on an Internet proxy server and divert the DNS cache from Windows, which may prevent you from accessing the Internet or downloading the tools needed to remove malware. Download a tool that can solve problems related to the Internet. Try MiniTool Box.
Reset IE proxy settings
Malicious software may change Windows Internet Explorer proxy settings, and these changes may prevent you from accessing Windows Update or other Microsoft security sites. Use a Microsoft patch to reset Internet Explorer proxy settings to the default settings. You can also run IE Troubleshooter to reset all security settings to the default settings.
Restore Windows functions
If you notice that your important Windows functions such as task manager, registry editor, control panel, command prompt, etc. have been disabled, you can use our free FixWin software to activate them. Reset Windows security settings to default settings. Reset Windows Firewall settings to default values.
Rootkits and removal
A rootkit is a form of malware that prevents its detection by detection/distance software. So install an effective rootkit removal program that is easy to use. Kaspersky TDSSKiller is reliable in this regard, but you can also try Malwarebytes AntiRootkit Tool. You can use Sticky Keys Backdoor Scanner to detect Sticky Key Backdoors.
Browser hijacking and deletion
Browser hijacking occurs when you determine that your web browser settings have changed without your consent. Learn more about Browser Hijacking and Free Browser Hijacker Hijacker Removal Tool.
The Ransomware virus blocks access to a file or your computer and requires the creator to receive a ransom to recover access, usually through an anonymous prepaid voucher or Bitcoin. This contribution to Ransomware prevention will suggest measures to stay protected and provide links to free anti-Ransomware tools. Here is a list of free Ransomware Decryptor decryption tools that can help you unlock files. And if you are infected, this post shows you what to do after a Ransomware attack.