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Ransomware

Destructive KillDisk Malware Turns Into Ransomware

It has been found recently that a new variant of KillDisk malware contains the component of ransomware in it, which encrypts the files and data and use them for ransom rather than deleting them. As industrial control systems (ICS) is being aimed in this attack using KillDisk Malware, authorities are apprehensive about the malicious actor of bringing ransomware into all industrial domain. Read More: What is Ransomware How KillDisk functions? The old version of the KillDisk used to completely and securely wipe data from hard…

RansomFree: Ransomware Protection by Cybereason

In 2016, ransomware cost individuals and business over $1 billion and has been the fastest growing cyber threat. The Madison County ransomware attack on November 4th saw Indiana spend about $200,000 on recovery. Attacks have not been restricted to just large organizations, but individuals as well. Ransomware encrypts files including documents, photos, music, emails, etc. It uses an encryption key known only to its operators. In order to unlock these files, ransom must be paid. Most individuals are susceptible to ransomware…

What is Ransomware?

What is Ransomware? "Ransomware is computer malware that installs covertly on a victim's computer, executes a cryptovirology attack that adversely affects it, and demands a ransom payment to decrypt it or not publish it" --- Wikipedia Malicious code can be detected either by observing its action (Dynamic Analysis) or by studying its structure (Static Analysis). The later uses the code’s static properties like its binary hash, contained binary sequences and strings, or imported functions. A ransomware generates completely new…

Millions exposed to malvertising that hid attack code in banner pixels

A single pixel is enough to compromise your PC. Million peoples visiting the mainstream website may have been infected with malicious ads banner that embed attack code in individual pixels.A recent report by Security affairs says that Researchers from the security firm ESET dubbed the “Stegano” malvertising campaign despite it dated back to 2014. Since October, its stealthy operator started displaying the ads on many highly reputable news site, that has millions of daily visitors. According to a report by arstechnica, the…

Ransomware locks up San Francisco Transportation Ticket Machines

Basic Outline “You Hacked, ALL Data Encrypted.”, this was the message displayed on computer screens at Muni stations across San Francisco on Friday afternoon which apparently was due to the virtue of a crypto-ransomware spread across the Muni system's networks and it took down ticketing for Muni's train stations and systems which used to manage the city's buses. As reported by San Francisco Examiner, the hacker responsible for this demanded a sum of $73,000 in exchange for the secret key. How were the systems attacked? Muni…