Plug your infected flash drive (if any) and
Use one scanner at a time
Download hitman pro 3.7**(shareware and can be activated for 30 days free)**and have a full system scan including your pendrive.. http://www.surfright.nl/en
And/or
use malwarebyte have a full system including your pendrivescan http://www.malwarebytes.org/products/malwarebytes_free/
And/or Use Kaspersky Virus Removal Tool
http://www.kaspersky.com/antivirus-removal-tool?form=1
If everything fails, you can use offline bootable resccue cd and do a full system scan...
https://support.kaspersky.com/viruses/rescuedisk
http://windows.microsoft.com/en-us/windows/windows-defender-offline-faq
or hitman kickstart bootable pendrive