Are some anti-spam softwares actually hidden viruses or spyware?

Anti spam solutions basically do one or added of the afterward things: Anti spam solutions analyzes the senders’ names and addresses and clarify the spam emails according to a atramentous account of spammers they own and update. Anti spam solutions analyzes the recipients’ names and addresses and according to assertive parameters, they clarify the emails. For example,

if the mail is beatific to a ample accumulation sorted alphabetically, the email is advised spam. Anti spam band-aid browse the emails (Their accountable and body) and seek for assertive words or phrases such as “Viagra” and clarify the spam email accordingly

For some new anti-spyware program, the anti-virus program will recognizes it as a threats. 

Or you may download fake anti-spyware. As we all known that, there are a lot of fake anti-spyware program to scam users to make profit.