
1) Adware 2) Internet search engine
Found on
https://www.crosswordclues.com/clue/isearch

Isearch is open-source text retrieval software first developed in 1994 by Nassib Nassar as part of the Isite Z39.50 information framework. The project started at the Clearinghouse for Networked Information Discovery and Retrieval (CNIDR) of the North Carolina supercomputing center MCNC and funded by the National Science Foundation to follow in the...
Found on
http://en.wikipedia.org/wiki/Isearch
[malware] Isearch is a resilient and common adware program that is often installed on a user’s computer from pop-ups or unprotected downloads. Even most firewalls and other computer protection programs are ineffective to stop this program from being downloaded and successfully removed. This program often re-directs pop-ups to your browser...
Found on
http://en.wikipedia.org/wiki/Isearch_(malware)
No exact match found.