Windows Vista: Malwarebytes findet PUP.Optional.OpenCandy und Exploit.Drop.GS

Detected Windows version: 6.0 Build 6002 Service Pack 2
Installing direct disk access driver ...
Driver connection handle: 0x00000154
Could not obtain MBR through Windows API for disk \\.\PhysicalDrive1.
Could not obtain MBR through Direct Disk Access for disk \\.\PhysicalDrive1.
1 valid drive(s) found.

Details for Disk 0 - WDC WD50 00AACS-00ZUB Rev 01.0:
  Device name              : \\.\PhysicalDrive0
  Geometry (C/H/S)         : 60801/255/63
  Boot loader reputation   : Unknown
  Cross view comparison    : Passed
  Partition table integrity: Passed

  Boot loader hashes
    SHA-1                  : 48F01D7E76A0F3C038D08611E3FDC0EE4EF9FD3E
    MD5                    : 671B81004FDD1588FA9ED1331C9CECA9
         

https://www.virustotal.com/de/file/089ecfe03d55c6f392bb43d78fab86826142e3513353d6c59c2ed7556d3b8cb6/analysis/1395686311/
         

ESETSmartInstaller@High as downloader log:
all ok
# version=8
# OnlineScannerApp.exe=1.0.0.1
# OnlineScanner.ocx=1.0.0.6920
# api_version=3.0.2
# EOSSerial=80664095def5b54ab230d47e6be7be4c
# engine=17585
# end=finished
# remove_checked=false
# archives_checked=true
# unwanted_checked=false
# unsafe_checked=false
# antistealth_checked=true
# utc_time=2014-03-24 08:51:23
# local_time=2014-03-24 09:51:23 (+0100, Mitteleuropäische Zeit)
# country="Germany"
# lang=1033
# osver=6.0.6002 NT Service Pack 2
# compatibility_mode=3591 16777213 100 90 3836474 158290868 0 0
# compatibility_mode=5892 16776574 100 100 44280563 233227011 0 0
# scanned=268160
# found=3
# cleaned=0
# scan_time=6767
sh=36952003934A0A87D06994E904E39CB9952AADA6 ft=0 fh=0000000000000000 vn="JS/Exploit.Pdfka.PDG trojan" ac=I fn="C:\Users\*****\AppData\Local\Temp\plugtmp-50\plugin-8c7d77084cdcf56b066162ea17a26058.pdf"
sh=F94EADA165A983B8E597293F5A13CE52351E3F11 ft=0 fh=0000000000000000 vn="Java/Exploit.Agent.NDF trojan" ac=I fn="C:\Users\*****\AppData\LocalLow\Sun\Java\Deployment\cache\6.0\29\7cdf41d-636603c3"
sh=8FD3F753C19115830B2C0E333C2B8DDAE6F8164A ft=0 fh=0000000000000000 vn="multiple threats" ac=I fn="C:\Users\*****\AppData\LocalLow\Sun\Java\Deployment\cache\6.0\54\501a0776-5db84457"