|It is a total fake/scam, hope you checked they have not cleaned out your Bank Account, now that they have your credit/debit card details.|
Yes it will re-appear in the future with a different issue, next time probably registry errors.
You should get a qualified PCRepairer to clean the crap out, but after 2 weeks it may be beyond redemption!
What is System Tool 2011?
System Tool 2011 with an alias SystemTool is a virus made to look like a legitimate anti-virus program but in reality it was a piece of fake application or commonly known as rogue security program. It will arrived on computers as a recommended virus removal tool from a fake online virus scanners. Instead of getting rid of computer threats, victims will experienced a more disturb computer system. A continuous pop-up alerts will be displayed accompanied by a promotion to get the licensed version of System Tool 2011. Some Windows functionalities will be rendered unusable like task manager, registry editor and control panel. This was intended to prevent users from removing System Tool 2011 manually.
When finding it hard to remove System Tool 2011, some will resort into purchasing the registered version of this useless software. By doing so, victims will be redirected to an online payment processing web site where credit card information will be requested. Providing this details may cause excessive charges to credit card for other unknown transactions. Instead of obtaining this potentially unwanted program. You might as well get a free version of an effective anti-malware program that was known for its ability to take out malicious programs from the infected computer.