Gridinsoft Anti-Malware (formerly Trojan Killer). Version: 4.2.53.5595. Format: Compressed RAR archive.
Scans registry items, memory, and files to undo changes made by malware. GridinSoft.Anti-Malware.4.2.53.5595 - XYZ.rar
If legitimate, this software version (v4.2.53) includes several core security functions designed to protect Windows systems: Gridinsoft Anti-Malware (formerly Trojan Killer)