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On the local system, the WannaCry executable file extracts and installs binary and configuration files from its resource section. It also hides the extracted directory, modifies security descriptors, creates an encryption key, deletes shadow copies, and so on.
[6] [12] [13] A separate effort from French cybersecurity researchers found a method to unlock and decrypt affected computers without having to pay the ransom. [14] Hutchins' work, as MalwareTech, to stop WannaCry, was highly praised, but this led to the press figuring out Hutchins' identity behind MalwareTech in the days that followed.
Rensenware is unusual as an example of ransomware in that it does not request the user pay the creator of the virus to decrypt their files, instead requiring the user to achieve a required number of points in the shoot 'em up video game Undefined Fantastic Object before any decryption can take place.
On 24 October 2017, some users in Russia and Ukraine reported a new ransomware attack, named "Bad Rabbit", which follows a similar pattern to WannaCry and Petya by encrypting the user's file tables and then demands a Bitcoin payment to decrypt them. ESET believed the ransomware to have been distributed by a bogus update to Adobe Flash software ...
The Shadow Brokers (TSB) is a hacker group who first appeared in the summer of 2016. [1] [2] They published several leaks containing hacking tools, including several zero-day exploits, [1] from the "Equation Group" who are widely suspected to be a branch of the National Security Agency (NSA) of the United States.
DoublePulsar is a backdoor implant tool developed by the U.S. National Security Agency's (NSA) Equation Group that was leaked by The Shadow Brokers in early 2017. [3] [citation needed] The tool infected more than 200,000 Microsoft Windows computers in only a few weeks, [4] [5] [3] [6] [7] and was used alongside EternalBlue in the May 2017 WannaCry ransomware attack.