Anti-ransomware software supports your disaster recovery plan and protects files and backups and so it is a great addition to your strategy. Disaster recovery plans are being developed to ensure business continuity in case of incidents that affect systems and data. All such projects include solutions that perform regular backups of important files, in various […]
Lately, there is a lot of disagreement related to why people who have various types of antivirus solutions in place, still get infected by ransomware. Experts’ opinions on the matter vary, some say antivirus is obsolete and should evolve into something else, like ransom antivirus, while others advocate for multi-layered ransomware protection strategies that include several […]
Less than two months ago, WannaCry made the headlines as the most destructive malware in the history. This time the world faces a new virus which uses the functionality of Petya ransomware: Petrwrap. It has already hit many companies and institutions from different countries including Merck, Rosneft, Maersk, Mondelez, causing severe operational disruptions. How Petrwrap […]
Sorebrect case subject – fileless ransomware This variant arrives as a text file with a name that tricks the users into opening it either downloaded from malicious websites or installed by other malware. It injects malicious code in the Service Host process (svchost.exe) to avoid antivirus detection and application control. The actual encryption is done from […]
Ransomware is an important phenomenon nowadays and dealing with it is a top concern of IT admins. This type of malware is capable of incurring enormous costs on businesses that rely on IT to carry out everyday activities so enterprise ransomware protection became a hot topic in IT communities. From our experience, simple measures and […]
This article provides information on what to do when attacked by ransomware, depending on how important the files are and your skills when using computers. Everyone should have the important files backed up on a regular basis. This ensures that you do not lose it all in case your computer is compromised or if ransomware […]
Case subject – A new PDF based ransomware This new variant arrives as a PDF file that contains Javascript blocks and at least one embedded document. When the PDF is viewed, it opens the embedded Microsoft Word document. The embedded document contains a macro that downloads and executes the ransomware payload. The PDF file is […]
Case subject – A zero-day Jaff (WLU extension) Jaff ransomware has seen some updates lately and we selected the newest variant for today’s exercise. At the time of the recording, the detection rate on virustotal is 18/60. Jaff is distributed through email SPAM campaigns that trick users into opening malicious attachments. A common example is the claim […]
Case subject – A zero-day Spora variant packed as a command line script Today’s test uses a zero-day variant of Spora, disguised as a command line script. The file is distributed via email campaigns and, on execution, starts Microsoft Word and launches a background process that performs the actual encryption. At the time of the […]
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