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Published Apr 27, 2010 | Updated Sep 15, 2017

Trojan:BAT/Killfiles.J

Detected by Microsoft Defender Antivirus

Aliases: BAT/DelFile (AhnLab) BAT/KillIE.A (Command) Trojan.BAT.Agent.vf (Kaspersky) BAT/Autorun.IZX (Norman) BAT/Agent.148 (Avira) Trojan.BAT.KillWin.vw (BitDefender) BAT/DelIE (CA) BAT.KillFiles.33 (Dr.Web) BAT/KillFiles.NCB (ESET) Trojan.BAT.Agent.vf (Sunbelt Software) BAT_KILLFILE.AK (Trend Micro)

Summary

Trojan:BAT/Killfiles.J is a detection for a malicious batch script with a destructive, file deleting payload.
To detect and remove this threat and other malicious software that may have been installed, run a full-system scan with an up-to-date antivirus product such as Microsoft Security Essentials, or the Microsoft Safety Scanner. For more information about using antivirus software, see http://www.microsoft.com/security/antivirus/av.aspx.
 
Additional remediation steps for Trojan:BAT/Killfilles.J
Trojan:BAT/Killfilles.J may make lasting changes to an affected computer that will NOT be restored by detecting and removing this threat. To return an infected computer to its pre-infected state, files deleted by Trojan:BAT/Killfilles.J must be restored from backup.
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