If it was someone who has plans for more than a quick use, they often change the password so that even the original owner can't get back it to fix things.
Some of the tricks are intended to get to an ISP that is generally trusted by hackers in a part of the world where all ISPs are at risk/blocked by most US services.
If the password can be changed, that's good, but ...
Moderator - Prostate Cancer(Not a medical professional)
My adjuvant IGRT journey (2010) - www.healingwell.com/community/default.aspx?f=35&m=1756808
HT (Lupron) 6-mo injection 9/12 (next planned for 3/14);Prolia 6-mo inj 12/12, 06/13, 12/13