NotPetya is distributed via the same exploit as WannaCry to quickly spread and demand payment in bitcoin to reverse its modifications. It’s known for corrupting and encrypting the master boot record of Microsoft Windows-based systems. The NotPetya ransomware attack is one of the most harmful techniques. In 2014, a decryption tool became available for this malware. The CryptoLocker ransomware spread via an email attachment that purported to be FedEx and UPS tracking notifications. CryptoLockerĬryptoLocker was the first ransomware of this generation to demand Bitcoin for payment and encrypt a user’s hard drive as well as network drives. Proofpoint assisted in locating the sample used to discover the kill switch and in analyzing the ransomware. Some major ransomware attacks include: WannaCryĪ devastating Microsoft exploit was utilized to create a worldwide ransomware virus that infected over 250,000 systems before a kill switch was activated to stop its growth. The fees can range from a hundred dollars to thousands of dollars, which are typically paid to cybercriminals in bitcoin. It has been revealed that some users have paid enormous fees to obtain the decryption key. This is costly for businesses because they may have to pay a large sum of money to regain access to their files. Ransomware is malware that infects devices and locks users out of their data or applications until a ransom is paid.
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