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Malware detection is a process of identifying malicious software (malware) on your computer or mobile device, and removing it if detected. The most common types of malware are viruses, spyware, adware, crimeware, rootkits, trojans, keyloggers, dialers, and worms. Malware can be used to steal personal information such as usernames, passwords, credit card numbers, bank account details, and other sensitive data. It can also be used to damage or destroy the affected system. In addition, some malware may attempt to take control of the infected machine by installing programs that perform actions without user consent. This type of malware is known as ransomware. If you suspect that your PC has been compromised, contact your IT department immediately for help restoring your system to its original state.
Google Malware Checker helps protect users from visiting websites that contain malware. When you visit a website using Chrome, Google Malware Checker checks to see whether the site contains any harmful code. If there's anything suspicious about the page, it will warn you before you proceed to the site. You can learn more about how this works in our Help Center.
When you access a new web address through Chrome, Google Malware Scanner runs an automated scan against the URL to determine whether it contains malicious content. If there's something wrong with the page, Google Malware Scanning displays a warning message.
Malicious sites often use deceptive techniques to trick people into downloading malware onto their computers. These include:
Using misleading links or text to direct visitors to pages containing malware
Creating pop-up windows that appear when you're not expecting them
Installing browser extensions that redirect you to malicious sites
If we don't detect malware, then you could unknowingly download dangerous files onto your computer. Even worse, if you click on a link to a malicious site, you could end up infecting yourself with malware.
Most website scanners rely on heuristics—algorithms that try to identify malicious behavior based on patterns they've seen before. Some algorithms look at things like file names, URLs, and HTML tags. Others examine network traffic between your computer and the server hosting the website.
The Safe Browsing service provides an overview of which sites are considered unsafe by Google's anti-phishing technology. If you're concerned about a website being dangerous, this tool will tell you whether the site is safe or not. You'll see a green dot next to the URL in Chrome when the site is safe, and a red cross when it isn't.
Google offers many resources to make sure your online experience is safe and secure. These include:
Webmaster Tools - A free service that helps you manage your websites' performance across search engines and browsers.
Google Search Console - An easy way to find out what people think of your site and how they found it.
Google Web Security - A free security scanner that checks your site against potential threats.
Google Safe Browsing - A free service that warns users about potentially harmful websites.
Malicious Software Removal Tool (MSRT)
This tool detects and removes various kinds of malware from your computer. To use the tool, download and run it from Microsoft’s website. Then follow the instructions to remove any malware found.
If you have multiple devices running Windows 10, you should install MSRT on each one.
To protect yourself while using apps and games, you can enable Google Play Protect. When enabled, Google Play Protect scans your app and game downloads before installation to look for signs of abuse. If it finds anything suspicious, it blocks the download so you won't accidentally install something bad.