DNS-BH Possible False Positives
ya.ru seems to be a search engine that malware uses in some way. It is showing up in some sandboxes.
sytes.net seems to be dynamic dns company.
If anyone has any more info about the above domains, please contact me.
Note: A lot of malware uses dynamic dns and forwarders. To avoid being placed on any blacklists (such as this one), please consider registering your own domain.