This trojan blocker ( MD5: 7D9A08F78BF638443FD5CBBEEAD245B0 ) prevent all software execution. To remove the Trojan (and unlock windows), infected users need to enter a valid serial number they get by sending 400 RUB (12,9 USD) by calling a Message Box.
Number to Call: 89654028569
Number to Call: 89654028703
Code to unlock Windows: !8912034'
Run MBAM to remove the infection.