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A large number of threats abound on the web that can compromise the security of your computer. From viruses to malwarethese dangers are lurking, often camouflaged in files that you download without a second thought.
And it is that, when going down a infected programnot only do you run the risk of your PC running slower or becoming full of intrusive advertising; In the worst case, the hackers they could steal your personal informationfrom your passwords to your bank details.
Therefore, it is essential to be extremely careful and avoid downloading files from untrustworthy sources. The main reason is that you can’t always be sure what you are getting.
Even if the file looks legitimate or comes from a page that looks familiar to you, could have been manipulated to include malware. Hackers are very skilled at hiding their malicious code into common files, making them look totally harmless until you run them.
5 types of files used to hide viruses and malicious code
The result of downloading these infected files may vary: you may experience from a slower performance on your PC even installing spyware that monitors your activities. Additionally, certain types of malware allow hackers to remotely control your computer or lock your files until you pay a ransom, known as ransomware.
For all this, It is essential that you always download content from official websites or renowned platforms, such as the Microsoft Store.
Otherwise, you could compromise not only the integrity of your computer, but also your privacy. There are several types of files in which viruses can camouflage themselves. Below, we share the most common ones.
- Script files: File extensions such as .JS (JavaScript) or .PY (Python) can execute malicious code in the appropriate environment. Although these do nothing on their own, they can be activated when executed, becoming a gateway to infect your system.
- EXE files: .EXE files are executables that can install unwanted software on your PC. Opening one from an unknown source can seriously compromise your security, allowing viruses to be installed or even programs that steal your personal data.
- PDF files: Hackers can embed malicious scripts inside a PDF or use zero-day exploits in PDF reading programs to infect your computer. Therefore, it is crucial not to open PDF files from unknown sources or suspicious emails.
- Compressed files (ZIP/RAR): They are ideal for grouping multiple files into one, making them easier to transfer and store. But when decompressing a ZIP or RAR, you could activate viruses that were hidden, so it is advisable to scan the file before opening it, and a good way to do it is through tools like Total virus.
- Microsoft Apps: Word, Excel and PowerPoint documents are used in the work and academic environment, but they can also be vehicles for malware. These files may contain malicious macros that allow unwanted software to spread, so there is always a risk that you will download a DOCX or XLSX file that contains harmful code.
The Internet is a space full of risks, and files are one of the most common threats. Although some viruses may be easy to identify, many others are hidden and appear harmless.
Hackers are clever and know how to disguise all types of malware and malicious code in extensions or programs that we use every day, from PDFs to Office documents.
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