Petrwrap, specifically, targets the Master File Table (MFT), which is essential for your computer to find files on the computer. By targeting the MFT, the ransomware is able to attack individual files faster than if each file were to be encrypted one-by-one. The good news is… that Petrwrap is detectable by anti-virus tools. Unfortunately, if the anti-virus scanner is delayed in catching it, Petrwrap can easily get a foothold into the computer system and spreads very quickly. Moreover, the encryption is so strong, that it is unlikely to be able to break through the software and recover files.
Check out our blog post on “Why Vulnerability Assessments Are Insufficient” for more information on securing your servers.
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This Patch Tuesday comes with 74 security updates, including fixes for two known vulnerabilities (CVE-2018-0808 and CVE-2018-0940); luckily this release arrives in a more timely fashion, as there have been no known exploitations of these vulnerabilities like we’ve seen in the past.
Obtain real-world security knowledge that allows you to recognize vulnerabilities, exploit system weaknesses, and safeguard threats. Enroll in March's Course of the Month to ensure you attain a higher level of cyber security.