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Digital Shield: Complete Guide to the Most Dangerous Viruses and Malware for Your PC

To provide a detailed and in-depth overview of the various categories of malware and viruses that pose a significant threat to computers, it is essential to understand the nature and characteristics of each typology

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These malicious software, comparable to biological viruses in their potentially devastating effects, work subtly to carry out unauthorized actions. Ongoing research by cybersecurity experts is critical to identifying how these codes are designed, what damage they can cause, and how they spread.

In this exploratory context, we examine the various types of most common and dangerous malware that can compromise a modern computer, also offering guidance on how to recognize them and prevent its attack.

 Boot Sector Virus

These viruses target the "master boot record" of hard drives. They were common in the floppy disk era, but are less common today.

Trojans (Trojan Horses)

 Trojans are sophisticated and dangerous. They disguise themselves as legitimate software, then take control of the PC to carry out malicious actions such as downloading other viruses or spying on the user.

These malicious software, comparable to biological viruses in their potentially devastating effects, operate in sneaky way to carry out unauthorized actions"

Worm (Computer Worm)

This malware spreads via email, automatically replicating and infecting entire networks. A well-known example is WannaCry, which exploited a vulnerability in Windows.


These programs record your keyboard typing, sending the information to cybercriminals who can then access sensitive data such as bank passwords and credit card information .

File Infectors Virus

These viruses hide in files, compromising their functioning. They are often deleted with standard antivirus scans.

Macro Virus

These malware exploit macro features in programs such as Microsoft Word or Excel, spreading the virus through seemingly harmless documents.

Multipartite Viruses

These viruses can perform different actions based on variables such as the operating system or the presence of specific files.

Polymorphic Viruses

 Extremely dangerous, they change over time, making their detection and removal difficult.< /p>

Resident Virus

They install themselves in the system memory, continuing to operate even after the infected file has been deleted. Some of these viruses are known as rootkits.

Web Script Virus

These malware operate via automatically executed scripts on websites, causing damage if not blocked in time.


Perhaps the most harmful type of virus, it blocks access to computer files and requires payment to unlock them. It is essential to avoid paying and follow PC cleaning procedures.

Miner Virus (Cryptocurrency Generators)

These programs exploit the PC's hardware resources to generate cryptocurrency, slowing down the system and taking up precious resources.


To effectively protect a computer from these threats, it is advisable to use reputable and up-to-date antivirus software, as well as practicing good computer hygiene, such as avoiding downloading software from untrustworthy sources and keeping your operating system and applications regularly updated. Awareness and prevention play a crucial role in defending against these insidious digital threats.

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