What are some alternatives?
When comparing Spamihilator and Bitdefender Anti-Ransomware, you can also consider the following products
Mailwasher - Over 8 million people use MailWasher as their spam filter
CryptoPrevent - CryptoPrevent is an Anti-Virus/Security Software Supplement, originally designed in late 2013.
SpamSieve - Save time by adding powerful spam filtering to the e-mail client on your Mac.
RansomFree - Protect your PC from ransomware with multiple detection methods.
Spamfence.net - Professional e-mail security free for private use: With Spamfence.
Kaspersky Anti-Ransomware Tool for Business - A free software that offers complementary security to protect corporate users from ransomware.