This question is a bit vague. However, in order to rename files within the system32 directory, you first need to have local administrative rights. Additionally, the file typically cannot be in use. If this is a file from a virus, it typically will be in use and may not be able to be renamed without first ending whatever process has the file locked.
Renaming files means changing the name of files. This can be done by pressing on the file icon once, then pressing on the file's name which will allow you to then change the name of the file.
write a
the SAM file in the config folder of system32.
by renaming the file with .man
You can find karasX2.dll file in Windows System32 file.
You can file dll file in C:\WINDOWS\system32.
File extensions can be changed just by renaming the file. For instance, mv filename.txt filename.doc
Downloader is an old virus, but a brand new variant just hit the streets: Downloader-AYB. Is that the one that got you? Have you tried booting to DOS (Command Prompt) and renaming the file before booting into Windows?
File Management
NTUSER.DAT
easier to locate what you are looking for
Create two files in notepad, use the XP.cmd file if you are on Windows XP, use the 2K version if on Windows 2000. Use Save As to make the file a .cmd or .reg file as sown in the file names below. Run the two files and then reboot. Here are the files: File SCARD_XP.CMD: %systemroot%\system32\scardsvr.exe reinstall %systemroot%\system32\regsvr32.exe /s %systemroot%\system32\scardssp.dll %systemroot%\system32\regedt32.exe /s scard_xp.reg %systemroot%\system32\net.exe start scardsvr %systemroot%\system32\sc.exe config scardsvr start= auto File SCARD_2K.CMD: %systemroot%\system32\scardsvr.exe reinstall %systemroot%\system32\regsvr32.exe /s %systemroot%\system32\scardssp.dll %systemroot%\system32\net.exe start scardsvr %systemroot%\system32\sc.exe config scardsvr start= auto File SCARD_XP.REG: Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic es\SCardSvr] "ObjectName"="NT AUTHORITY\\LocalService" [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic es\SCardDrv] "ObjectName"="NT AUTHORITY\\LocalService"