Threat Database Trojans Trojan.Killfiles

Trojan.Killfiles

By Domesticus in Trojans

Threat Scorecard

Ranking: 16,293
Threat Level: 80 % (High)
Infected Computers: 133
First Seen: January 19, 2011
Last Seen: August 17, 2023
OS(es) Affected: Windows

Trojan.KillFiles is an extremely dangerous Trojan that first started appearing in 2009. This Trojan is thought to have originated in the Russian Federation. Trojan.KillFiles is extremely nasty because, instead of stealing information or trying to scam money from computer users, Trojan.KillFiles has the potential to delete every single file on the infected computer.
 

What Is a Trojan?

A Trojan is a malicious file that, disguised as legitimate, makes its way into a computer system. Trojans exploit vulnerabilities in a computer's security to enter the computer system and deliver a harmful payload, or perform a number of harmful activities. Unlike viruses or worms, most Trojans are not self-replicating.
 

The Nasty Effects of the Trojan.KillFiles

The name "Trojan.KillFiles" is actually quite appropriate in this case. This Trojan is designed to kill files. The Trojan.KillFiles performs a search of all available drives and destroys all files Trojan.KillFiles finds. This search will be performed in reverse alphabetical and numerical order. For example, Trojan.KillFiles will start with the last drive and gradually progress backwards until Trojan.KillFiles reaches the first drive on your computer. If you find that the Trojan.KillFiles is infecting your system, you must take measures to remove immediately, because all of your files are at risk.
 

Almost Nothing Escapes Trojan.KillFiles

Trojan.KillFiles will not limit itself to internal and external hard drives. This nasty program will also attack external storage devices (e.g. USB storage devices, flash cards, and memory sticks.) Trojan.KillFiles will also delete hidden files. In case a file cannot be deleted, Trojan.KillFiles will make the file become hidden, to make it seem as if it has been deleted. Another nasty effect of Trojan.KillFiles is that it will leave Windows system files untouched. While this may seem like a beneficial effect, it is actually quite damaging. It allows Trojan.KillFiles to cause the maximum possible amount of damage. By leaving Windows system files untouched, it can delete a great number of information before the computer user is aware of what is going on.
 

Minimizing the Damage from Trojan.KillFiles

There are some steps you can take to stop this nasty attacker.

  1. Back up all of your data regularly.
  2. Most legitimate, fully updated anti-virus applications will stop Trojan.KillFiles Trojan in its tracks.
  3. In some cases, it is possible to recover some of the lost data with a data recovery service.

File System Details

Trojan.Killfiles may create the following file(s):
# File Name Detections
1. G.exe

Registry Details

Trojan.Killfiles may create the following registry entry or registry entries:
Regexp file mask
%appdata%\gallery.exe

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