Dharma

Dharma is a ransomware that uses security software installation to hide malicious activities.

Clears Windows event logs

Deletes shadow copies

Ransomware often targets backup files to inhibit system recovery.

Renames multiple (4102) files with added filename extension

This suggests ransomware activity of encrypting all the files on the system.

Disables Task Manager via registry modification

Disables taskbar notifications via registry modification

Disables use of System Restore points