Do you know what KillFiles is?
KillFiles or Trojan.Win32.KillFiles, is computer Trojan infection that could cause you to lose system or personal files stored on your hard drive. KillFiles has several variations created by hackers that have not all been identified.
In non-techie terms:
It is very possible that a variant of KillFiles may go undetected by many antivirus or antispyware applications. If infected with KillFiles, your system may be vulnerable to software damage. Not only does KillFiles delete files off of your computer, but it may also make your computer unusable by deleting essential system files.
Aliases: KillFiles Trojan, KillFiles, Troj/KillFiles, Trojan.Win32.KillFiles.