Notable ransomware attacks in the first two months of 2018

After a tumultuous 2017, marked by notorious attacks like WannaCry, NotPetya, BadRabbit which caused severe disruption and losses of billion dollars, ransomware is expected to continue to hit businesses in 2018 as well. How 2018 looks so far The first two months of 2018 didn’t reveal any massive ransomware outbreak, but the year started with […]

Ranstop blocks Umaru, a Japanese ransomware

Test subject – Umaru, the Japanese ransomware Umaru or DriedSister is an unusual ransomware, in the sense that unlike most ransomware, this one encrypts files, but does not ask users to pay a ransom. The virus is relatively new, being reported in February 2018 and it seems it was conceived to attack Japanese users in […]

Ranstop anti-ransomware blocks Velso ransomware

Test subject – Velso ransomware Velso is a relatively new type of ransomware first reported in January 2018. The virus spreads mainly through spam emails which contain documents with malicious macros. When activated, the macros drop and execute the ransomware on the victim machines. The ransomware uses strong encryption (AES 256 and RSA 1024) to conceal […]