From Greatis Software
What is RegRun Reanimator?
Reanimator is a free of charge software for removing Trojans/Adware/Spyware and some of the rootkits.
Reanimator does not contain any adware/spyware modules.
Supported Windows 95/98/Me/NT4/2000/XP/2003/VISTA/Seven 32 and 64 bit
Compatible with all known antiviral software
# Major update of Malware Scan engine: detecting and removing NECURS rootkit under 32 bit and 64-bit Windows systems.
# Updated signature databases.
# Fixed bugs.
Pentium 300 32 Mb RAM 16 hard disk Windows 32 or 64-bit