我的电脑时常死机、速度变慢等，还在
电脑桌面上自动生成一个无后缀的文件——文件名为：keyfile (用记事本打开时的内容为下面的数字) 。重装系统后没多久又出现了（据知局域网中的电脑有病毒）。用最新版的慧星全面查杀也没查到（DOS也查了）。我不知如何解决，望高手指点。
以下是用记事本打开keyfile文件时显示的内容：
006F00000000000000C600EA007B00EF000100C900190080007E000C001B00E7003C006900F80003002B00C000790084008D00900002005E0018005C00C60067004400B8007C00F5002500F60061009F00A900F4005600AE0065009100AE007F002A00D400D50024005800930033004600A90055005A008500E4006100A3002500FA00F10030005A005F00E00096005700A6009C00F9008600E50083005100FF00A0007700FD000800B70037000300B7006F004C00E70047002D00BE00DA004300AB00A500B800210009002B00E1008F00560055000A004F001900C60004009A004000D20051007B
00450000000000000094008100E8005200E600E400B900A6004F0016005A000000DF00E80060008A00B6008000F50038002600D4008800F4002E008700D5002400FA005D008A0081006900DA00C0001100A60048005A007B00D000CE00AD004A00EC00EB0083006E009A00CF00EB004700FC00BD002C0088008E00D1004C0058008000B2000A001600ED00B2007F000D0086003F006600C600190077007900A500BC00DD005A0067
002B000000000000007D00E00044008C0016000600F800BF008C008D008F0015002700C6006B0008002F00A2002100950058009700DE0087002400FD00AD00C9007E00090007002C00C400F7000300D700AB0025000300AC00A7001700B1002600E900DE00640093
002B000000000000004E00B70015001C000C00CF0028005A00E2009C002500A900F9002100E300A600EC009500490050000C00CE00FB003400DC008500B700DD00A7008E004F008D00C400F7000300D700AB0025000300AC00A7001700B1002600E900DE00640093
002B0000000000000073006000AE00D100FB00C40054002D008000AD003B002D00B1006900E5009500DA00060016003D00A400500055002A00E500E5006800E100F9002500A600C900C400F7000300D700AB0025000300AC00A7001700B1002600E900DE00640093
002B000000000000004400CC001A00CF00A000DF007E00FC00F0003E00B4001B00F60044007F00A7005700C2006500CC0059008B008800B500A800B200310077008F007E0029006600C400F7000300D700AB0025000300AC00A7001700B1002600E900DE00640093
002B000000000000008000D400FA006B005E003C005800D6004D00DB00750005001D000C0081002200F5008300C400F300D800F900EB000200AF005600860009003C0046002700AF00C400F7000300D700AB0025000300AC00A7001700B1002600E900DE00640093
002B000000000000003B00AA00F3002C00C7002F00BD0024006500DD009F00B70063005900C200BC001A00DF0001003F00720009009C00B00036003300A900D200B0004100DB001A00C400F7000300D700AB0025000300AC00A7001700B1002600E900DE00640093
002B00000000000000C700A9000C00F500A0003B006700430077002D0003001400F90060007200E200D6008600C8001F00660045004D006F0063009800FC0056005800C0001A001F00C400F7000300D700AB0025000300AC00A7001700B1002600E900DE00640093
002B000000000000005F001700AB007900E3004C005400C6000600E3007300F8000A00EA009E00A7000E00B3003A005B0006001E00550032003B00250064004100740087002900D000C400F7000300D700AB0025000300AC00A7001700B1002600E900DE00640093
002B000000000000004100A400410017001000FB001900CC008800FF00EA00FC00290031000400EC00A1006800B400CC008C00F900CD006500CA003E00A3001F000900350031001900C400F7000300D700AB0025000300AC00A7001700B1002600E900DE00640093
002B00000000000000800031004600C200F4000E000A002D00C4003800AD0060007300A9003200F300AB005600A900BB003100C6007C008800950049005B00E200FD001500C500E700C400F7000300D700AB0025000300AC00A7001700B1002600E900DE00640093
002B00000000000000DC00EC00FA00B0002700E500D4001B001600520046001F005800FA00BD00A600AB005600A900BB003100C6007C008800950049005B00E200FD001500C500E700C400F7000300D700AB0025000300AC00A7001700B1002600E900DE00640093
002B000000000000001700F2008C00D600EA007A00A7000D0098001900E8002E0056000B00EB004700AB005600A900BB003100C6007C008800950049005B00E200FD001500C500E700C400F7000300D700AB0025000300AC00A7001700B1002600E900DE00640093
002B00000000000000DC00EC00FA00B0002700E500D4001B001600520046001F005800FA00BD00A6001800E3005C008A007C00240073005600A800A5008E0069006B000E004C00CB00C400F7000300D700AB0025000300AC00A7001700B1002600E900DE00640093
002B00000000000000D8009500BD0090000A00BD00CA0026003B0073004D005900C9005A00330009001800E3005C008A007C00240073005600A800A5008E0069006B000E004C00CB00C400F7000300D700AB0025000300AC00A7001700B1002600E900DE00640093
002B00000000000000BE004F00680096004F005100C700B40068009600C80058003800150099002F00CF005A0023000700D7005100E5009900830015005500610023004B006800AA00C400F7000300D700AB0025000300AC00A7001700B1002600E900DE00640093
002B00000000000000990006006B00F300F1009600E1003D009000A4004700D70057005600ED005200D6008600C8001F00660045004D006F0063009800FC0056005800C0001A001F00C400F7000300D700AB0025000300AC00A7001700B1002600E900DE00640093
002B00000000000000FC006C00FB00C600F6005800F6001500E40043002700EE0013006C0050002A00D6008600C8001F00660045004D006F0063009800FC0056005800C0001A001F00C400F7000300D700AB0025000300AC00A7001700B1002600E900DE00640093
002B0000000000000012001C00FE00C700A1002E00B6004D0091007600C5005800580068000B003F002900EA004200E800D800FB00B0004F0033005B00BD00970034000A00AA00AC00C400F7000300D700AB0025000300AC00A7001700B1002600E900DE00640093
002B000000000000008900F5006E00A80013001900B100D300EB0098006400C400F200FF004A00C800B2002A00D70044007D00AD00FF00A000CD00B000B400150046002C00CC007B00C400F7000300D700AB0025000300AC00A7001700B1002600E900DE00640093
002B00000000000000E40018003E00E300B800ED007600B40092008C00F500D0006E00540040001400C0002C00BB00D100AC007B009A006C00400050008800B600EC000D00F9008600C400F7000300D700AB0025000300AC00A7001700B1002600E900DE00640093
002B000000000000009D00A3002B0084001000C50060000F00B5006600A5005100DC007000A1007500A9001C0075008300D50051004B00D400870061002E007600FF004C0036008100C400F7000300D700AB0025000300AC00A7001700B1002600E900DE00640093
002B000000000000009900A2000800D5006A00FD00450022000E00FD00BE006B00EF001100CF00CE00A9001C0075008300D50051004B00D400870061002E007600FF004C0036008100C400F7000300D700AB0025000300AC00A7001700B1002600E900DE00640093
002B0000000000000024004800C700EE003E005600AF008E0079003E008E006F002B004100A7001F00C0002C00BB00D100AC007B009A006C00400050008800B600EC000D00F9008600C400F7000300D700AB0025000300AC00A7001700B1002600E900DE00640093
