Hello lets first try this and see if we can get it.
Please follow our Removal Guide here Remove System Check (Uninstall Guide)
After reading how the malware is misleading you ...
You will move to the Automated Removal Instructions
After you completed that, post your scan log here,let me know how things are.
The log is automatically saved and can be viewed by clicking the Logs
tab in MBAM.
Copy and paste the contents of that report in your next reply. Be sure to post the complete log to include the top portion which shows MBAM's database version and your operating system.
Also the other tool log.. A log file named TDSSKiller_version_date_time_log.txt (i.e. TDSSKiller.220.127.116.11_27.07.2010_09.o7.26_log.txt) will be created and saved to the root directory (usually Local Disk C:).
Copy and paste the contents of that file in your next reply.