Ransomware Resources To help you determine the type of ransomware affecting your device, here are two sites that will to analyze your ransomware and will provide you with the link to download the decryption solution if available. Crypto Sheriff Malware Hunter Detailed Guides Download the Institute for Security & Technology Ransomware Guide. Download the 2020 "Ransomware Hostage Rescue Manual", developed by KnowBe4. Download the FTC's "Ransomware Small Business Overview". Download the CISA MS-ISAC Ransomware Guide.