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Initially, only the .locky file extension was used for these encrypted files. Subsequently, other file extensions have been used, including .zepto, .odin, .aesir, .thor, and .zzzzz. After encryption, a message (displayed on the user's desktop) instructs them to download the Tor browser and visit a specific criminal-operated Web site for further ...
The WannaCry ransomware attack was a worldwide cyberattack in May 2017 by the WannaCry ransomware cryptoworm, which targeted computers running the Microsoft Windows operating system by encrypting data and demanding ransom payments in the Bitcoin cryptocurrency. [4]
LockBit is a cybercriminal group proposing ransomware as a service (RaaS). Software developed by the group (also called ransomware) enables malicious actors who are willing to pay for using it to carry out attacks in two tactics where they not only encrypt the victim's data and demand payment of a ransom, but also threaten to leak it publicly if their demands are not met.
Royal ransomware employs a unique approach to encryption allowing the threat actor to selectively encrypt a specific percentage of data within a file. By doing so, the actor can lower the encryption percentage for larger files, making it harder to detect their malicious activities.
There are a number of tools intended specifically to decrypt files locked by ransomware, although successful recovery may not be possible. [2] [155] If the same encryption key is used for all files, decryption tools use files for which there are both uncorrupted backups and encrypted copies (a known-plaintext attack in the jargon of cryptanalysis.
In 1992, Trend Micro took over a Japanese software firm to form Trend Micro Devices and established headquarters in Tokyo. It then made an agreement with CPU maker Intel, under which it produced an anti-virus product for local area networks for sale under the Intel brand. Intel paid royalties to Trend Micro for sales of LANDesk Virus Protect in ...