![]() ![]() STEP 5: Determine Response - Now that you know the scope of the damage as well as the strain of ransomware you are dealing with, you can make a more informed decision as to what your next action will be. STEP 4: Determine Ransomware Strain - What strain/type of ransomware? For example: Ryuk, Dharma, SamSam, etc. One of the most accurate signs of ransomware data theft is a notice from the involved ransomware gang announcing that your data and/or credentials have been stolen. Look for malware, tools, and scripts which could have been used to look for and copy data. Look for unexpected large archival files (e.g., zip, arc, etc.) containing confidential data that could have been used as staging files. STEP 3: Determine if data or credentials have been stolen - Check logs and DLP software for any and all signs of data leaks. Cloud-based storage: DropBox, Google Drive, OneDrive etc. USB storage devices of any kind (USB sticks, memory sticks, attached phones/cameras)į. Mapped or shared folders from other computersĮ. ![]() ![]() STEP 2: Determine the Scope of the Infection, Check the Following for Signs of Encryption:ī. STEP 1: Disconnect Everything - Unplug the infected computer(s) from network, and turn off any wireless functionality: Wi-Fi, Bluetooth, NFC. ![]()
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