Can viruses destroy data?

Is there a virus that deletes everything?

Ransomware MongoLock Immediately Deletes Files, Formats Backup Drives. We have been following a new wave of MongoLock ransomware attacks that immediately deletes files upon infection instead of encrypting it, and further scans for other available folders and drives for file deletion.

What can viruses do to data?

However, once the virus infects your computer, the virus can infect other computers on the same network. Stealing passwords or data, logging keystrokes, corrupting files, spamming your email contacts, and even taking over your machine are just some of the devastating and irritating things a virus can do.

Does virus infect data files?

Viruses can infect many different types of files or programs - critical programs used by the operating system; document files such as Word or Excel; even specialized firmware programs tied to the computer's hardware, like the Master Boot Record (MBR).

What data do viruses steal?

Nowadays, the criminals behind the infections usually want your computer operating in top form so you don't know something's wrong. That way, they can log your keystrokes and steal any passwords or credit-card numbers you enter at Web sites, or they can link your infected computer with others to send out spam.