pv.dat

File pv.dat is malware or can be infected by malware:
DriveCleaner Ransomware, SystemDoctor Trojan, WinAntiSpyware Adware, WinFixer Adware
You must run antivirus software as soon as posible to check you computer.

Download ExterminateIt! to instantly get rid of malware!

Also Be Aware of this dangerous files:

Also Be Aware of the Following Threats:
Remove Ambler Trojan