![]() The Sodinokibi gang claimed to have accessed and then copied and encrypted 5 GB of data from Travelex’s network. Travelex’s payment and the sum were not announced until April 2020, but the company reported the ransomware attack shortly after it happened. The event crippled the company for weeks. #4 Travelex AMOUNT PAID: $2.3 MILLION RANSOMWARE: SODINOKIBIįollowing a ransomware attack on New Year’s Eve, Travelex, a London-based foreign currency exchange that does business in 26 countries, paid $2.3 million to regain access to its records. However, it is uncertain whether the attackers kept their promise. The threat actors offered a decryption key and said they would erase data stolen from the servers. The university’s offer was declined and negotiations eventually led to the agreed figure of $1,140,895, paid in Bitcoin. The malicious hackers first asked for a ransom of $3 million, which was disputed by the UCSF with a $780,000 proposal. The BBC closely followed the Dark Web negotiation made between Netwalker and the UCSF. ![]() The Netwalker ransomware gang was believed to be responsible for the attack. However, the UCSF servers used by the school of medicine were encrypted. The school said the attack did not affect their patient care delivery operations, overall campus network, or COVID-19 work. The IT staff attempted to isolate the infection, which prevented the malware from extending to the core UCSF network and producing additional damage. ![]() The institution was attacked on June 1, when ransomware was discovered in the systems of the UCSF School of Medicine. The University of California at San Francisco paid a ransom demand of $1.14 million to recover files encrypted by ransomware. #5 University of California San Francisco (UCSF) AMOUNT PAID: $1.14 MILLION RANSOMWARE: NETWALKER However, as the companies themselves have not verified these rumors, I will focus on confirmed transactions only in this article. Examples include Garmin paying $10 million in 2020, or CNA Financial giving into a whopping $40 million ransom following an attack in 2021. Keep in mind that some rumored ransomware payouts were a lot higher than what you will find on this list. Below, you will find the most significant confirmed ransomware payouts of all time to illustrate just how costly falling victim to this kind of attack can be. Unfortunately, ransom demands can sometimes be in the millions of dollars. This sometimes leads to companies paying the ransom, being desperate to get their business back up and running. There are times when ransomware victims can decrypt their files with free ransomware decryption tools but sadly, there isn’t a decryptor available for all the ransomware strains out there. Under such circumstances, their victims experience financial damage either by owning up to large ransomware payouts or by bearing the price of recovering from attacks. Ransomware has come to be a customary instrument in the arsenal of cybercriminals who routinely attack individuals and organizations.
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