Ransomware

Three hospitals of the DCH Health System were hit by a ransomware attack on October 1, forcing the medical institutions to turn away noncritical patients while they work to securely restore their affected IT systems.

A new variant of HDDCryptor aka Mamba was uncovered recently. The ransomware has been known to use DiskCryptor to encrypt disk and network files and overwrite the Master Boot Record (MBR).

A new family of malware with an apparent connection to the notorious Ryuk ransomware was uncovered — but instead of encrypting files, they were found targeting government-, military-, and finance-related files.

Dubai and Taiwan were hit by two separate ransomware attacks. Several hospitals in Taiwan and a Dubai-based contracting firm were affected.

A new ransomware family dubbed “Nemty” for the extension it adds to encrypted files has recently surfaced in the wild.

Our midyear security roundup highlights threats that made their mark in the first half of 2019, and provides security insights to help users and organizations determine the right solutions and defense strategies against them.

The Texas Department of Information Resources (DIR) recently reported that the systems of 23 organizations in the state, mainly smaller local governments, were affected by ransomware attacks.

According to a new report, ransomware attacks against businesses increased by 363% percent year-over-year. There has also been a greater number of ransomware attacks targeting different public sectors and local governments since the start of 2019.

Reports of SYRK and STOP ransomware variants encrypting files on infected machines started off the month. Meanwhile, ENTSCRYPT aka GermanWiper, is a fileless ransomware and wiper that makes file retrieval impossible.