I was tipped off when I started seeing emails generated from my site bouncing back – but I didn’t send them…
additional info:
Found this cookie in my browser:
213718802.1314468253.1.1.utmcsr=google|utmccn=(organic)|utmcmd=organic|utmctr=http%3A%2F%2Fdistributioncorporate.ru%2Fkloac%2Findex.php
and, I get redirected to http://distributioncorporate.ru/kloac/index.php when I do an Upgrade All for my plugins…