Published Apr 04, 2007 | Updated Sep 15, 2017


Severe |Detected with Windows Defender Antivirus

Aliases: Win32/Pinfi.A (CA) Win32/Parite.B (Kaspersky) W32/Pate.b (McAfee) W32.Pinfi (Symantec) PE_PARITE.A (Trend Micro)


Windows Defender detects and removes this threat.

This virus infects .EXE and .SCR files found on your PC, shared network drives, and removable drives, such as USB flash drives.

It can be installed when you connect an infected removable drive to your PC. 

Find out ways that malware can get on your PC

Use the following free Microsoft software to detect and remove this threat:

You should also run a full scan. A full scan might find hidden malware.

Disable Autorun

This threat tries to use the Windows Autorun function to spread through removable drives, such as USB flash drives. You can disable Autorun to prevent worms from spreading:

Scan removable drives

Remember to scan any removable or portable drives. If you have Microsoft security software, see this topic on our software help page:

Get more help

You can also visit our advanced troubleshooting page or search the Microsoft virus and malware community for more help.

If you’re using Windows XP, see our Windows XP end of support page.

Follow us