How to remove the perfc000 virus
Most antivirus programs identify perfc000.dat as malware, such as TrendMicro identifies it as TROJ_VIRANTIX.BF, and Microsoft identifies it as Backdoor:Win32/Small or TrojanDownloader:Win32/Eldycow.gen!A.
The free file information forum can help you find out how to remove it. If you know more about this file, please leave a comment or a hint for other users.
Perfc000.dat file information
Here is some of what is known about the process. Up to now, our technical analysts have not been able to relate it to any particular software.
Description: The file perfc000.dat is located in the folder C:\Windows\System32.
Known file sizes on Windows 7/XP are 6,144 bytes (97% of all occurrences) or 3 bytes.
The program has a visible window. File perfc000.dat is a file without information about the developer of this file. The application starts when Windows starts (see Registry key: HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Windows\AppInit_DLLs). Perfc000.dat is not a Windows core file. perfc000.dat seems to be a compressed file. Therefore the technical security rating is 44% dangerous, however also read the users reviews.
Recommended: Identify perfc000.dat related errors
Important: Some malware camouflages itself as perfc000.dat, particularly when located in the c:\windows or c:\windows\system32 folder. Therefore, you should check the perfc000.dat process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.
Security Task Manager shows all running Windows tasks including embedded hidden functions (e.g. keyboard or browser monitoring, autostart entry). A unique security risk rating indicates the likelihood of the process being potential spyware, malware, keylogger or a Trojan.
Spyware Doctor detects and removes sleeping spyware, adware, trojans, keyloggers, malware and tracking threats from your hard disk. Ideal supplement to Security Task Manager.
SpeedUpMyPC scans, cleans, repairs and optimizes your computer.
autoback.exe aspimgr.exe ssd.dll perfc000.dat fltmgr.sys ssmdrv.sys ebaytbdaemon.exe isamntr.exe css-dvp.sys mfc71ita.dll tifm21.sys [all]