Toolbars are NOT redundant junk - some are a benefit - but not for you.
CCleaner does not aim to purge malware.
So far as I am concerned Apple iTunes is malicious malware that I will not tolerate because it crippled my single core processor with its spurious Bonjour Service.
One man's meat is another man's poison, and I guess that MIGHT be true of Searchnu tool bar.