Watch out, readers! It is ransomware, another WannaCry, another wide-spread attack.
The WannaCry ransomware is not dead yet and another large scale ransomware attack is making chaos worldwide, shutting down computers at corporates, power supplies, and banks across Russia, Ukraine, Spain, France, UK, India, and Europe and demanding demands $300 in bitcoins.
According to multiple sources, a new variant of Petya ransomware, also known as Petwrap, is spreading rapidly with the help of same Windows SMBv1 vulnerability that the WannaCry ransomware abused to infect 300,000 systems and servers worldwide in just 72 hours.
Petya is a nasty piece of ransomware and works very differently from any other ransomware malware. Unlike other traditional ransomware, Petya does not encrypt files on a targeted system one by one.
Instead, Petya reboots victims computers and encrypts the hard drive's master file table (MFT) and rendering the master boot record (MBR) inoperable, restricting access to the full system by seizing information about file names, sizes, and location on the physical disk.
Petya replaces the computer's MBR with its own malicious code that displays the ransom note and leaves computers unable to boot.
According to a recent VirusTotal scan, currently, only 13 out of 61 anti-virus services are successfully detecting the Petya virus.
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