I had the same issue as you before, and mine was from Turkey instead.
Logging out will also end your session as what Theymos told me in PM, just in case that changing password didn't do. Just make sure you scanned and cleaned your PC before you make these changes.

Here's my thread resolving my issue before : https://bitcointalk.org/index.php?topic=5217251.msg53594867#msg53594867
Read everyone's reply to my thread. I'd like to thank them again for helping me with the case.