If you spend a lot of time online, you've probably heard about hidden mining viruses. These are not just annoying software – they are a serious problem that can turn your PC into a gold mine for hackers. Yesterday, I dealt with such a case and realized that many people don't know how to find a miner on their PC themselves.

These viruses operate in different ways. Some embed directly into websites as scripts – you visit an infected page, and your processor is already working on mining. Antivirus software doesn't detect it because it's not installed on the disk. Other viruses are more traditional – files or archives that quietly install themselves into the system and run every time you turn on your PC.

Why is this dangerous? First, your equipment wears out faster. The graphics card starts making noise like a jet engine, the processor heats up, and a laptop can even break down after a few hours of background mining. Second, it's not just about cryptocurrency – some Trojans also steal passwords and data from your wallets.

How to tell if you're infected? Look for these signs: your computer starts lagging, the graphics card sounds like a vacuum cleaner, the CPU usage is 60% or higher, network traffic is increasing, and the browser is running slower. If you see at least one of these symptoms, it's time to act.

The first thing to do is run an antivirus and perform a full system scan. After that, use CCleaner or similar tools to clean the registry from junk. But sometimes viruses are smarter – they add themselves to the list of trusted programs or disable themselves when they see the task manager. So, you need to dig deeper.

There are several ways to find a miner on your PC manually. The first method is through the registry. Press Win+R, type regedit, and open the registry. Then press Ctrl+F and search for suspicious processes – they usually have strange names made of random characters. If you find something suspicious, delete the entry and restart your computer.

The second method is through the Task Scheduler. Win+R, then taskschd.msc. In the scheduler library, look at which processes start automatically when you turn on your PC. If you see unfamiliar tasks – that's a red flag. Check the triggers and actions of that task, and if something looks suspicious, disable or delete the process.

For more in-depth checking, there are programs like AnVir Task Manager – it searches for all automatic tasks and helps analyze them. If the virus is persistent, you need heavy artillery – antivirus tools like Dr.Web perform deep system scans and can find even well-hidden malware.

Now about protection. The main rule is – don't run programs as an administrator just like that. If you run a miner with admin rights, it will get full access to resources, and removing it will be extremely difficult. Regularly update your antivirus databases, avoid downloading software from dubious sites, and scan all downloaded files before running them.

Disable JavaScript in your browser or install an extension to block browser mining – Chrome has this in privacy settings. Use AdBlock and uBlock to protect against malicious scripts. Set a strong password on your router, prevent other users from installing programs, and set a password on Windows itself.

There's also a good trick – add dangerous sites to your hosts file. On GitHub, there are entire lists of known sources of browser mining. Plus, periodically restore a clean Windows system image – you can do this every 2-3 months if you notice signs of infection.

Most importantly – don't panic if you notice symptoms. Mining viruses are annoying, but they can be removed. The key is to detect them early and know how to find a miner on your PC. If you regularly check your system, keep your antivirus up to date, and avoid visiting dubious sites, your risk of infection is minimal.