Spyware prevents system restore

[wendyno]

My computer is infected with System Tool and will not allow system restore. What should I do?

 

[mibix19]

Try aford10's guide on this link http://www.tomshardware.co.uk/forum/248626-35-simple-free-guide-removing-malware

 

[davcon]

Download Malwarebytes and update it.
Restart in safemode
Run Malwarebytes full scan