Now day Ransomware attacks give a bad impact to some of company and it still a serious threat. Ransomware is a type of malicious software from Cryptovirology that threatens to publish the victim’s data or perpetually block access to it unless a ransom is paid. In 1991, a biologist spread PC Cyborg, the first ever ransomware, by sending floppy disks via surface mail to other AIDS researchers, for instance. In the mid ’00s Archiveus was the first ransomware to use encryption, though it’s long ago been defeated and you can find its password on its Wikipedia page. Below is the list of the biggest ransomware attacks (one type of malware that popular in the modern day) from the past year.
CryptoLocker
Cryptolocker is a malware threat that gained notoriety over the last years. It is a Trojan horse that infects your computer and then searches for files to encrypt. This includes anything on your hard drives and all connected media for example, USB memory sticks or any shared network drives.
TeslaCrypt
TeslaCrypt was a ransomware trojan. It is now defunct, and its master key was released by the developers. In its early forms, TeslaCrypt targeted game-play data for specific computer games. Newer variants of the malware also affect other file types.
SimpleLocker
Simplelocker, also known as Andr/Slocker-A, which is Tor-enabled mobile device ransomware, targets Android OS and spreads through a Trojan downloader masquerading as a legitimate application. Once installed, it scans the device for various file types and encrypts them using AES, changing the file extensions to .enc. It also collects information like the IMEI number, device model, and manufacturer and sends it to a C2 server
WannaCry
WannaCry is a ransomware worm that spread rapidly through across a number of computer networks in May of 2017. After infecting a Windows computers, it encrypts files on the PC’s hard drive, making them impossible for users to access, then demands a ransom payment in bitcoin in order to decrypt them.
NotPetya
Petya is a family of encrypting ransomware that was first discovered in 2016. The malware targets Microsoft Windows-based systems, infecting the master boot record to execute a payload that encrypts a hard drive’s file system table and prevents Windows from booting.
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